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What Is Cryptocurrency?

A cryptocurrency (or crypto) is a form of digital cash that enables individuals to transmit value in a digital setting.

A cryptocurrency (or crypto) is a form of digital cash that enables individuals to transmit value in a digital setting.

You may be wondering how this sort of system differs from PayPal or the digital banking app you have on your phone. They certainly appear to serve the same use cases on the surface – paying friends, making purchases from your favorite website – but under the hood, they couldn’t be more different.

What makes cryptocurrency unique?

Cryptocurrency is unique for many reasons. Its primary function, though, is to serve as an electronic cash system that isn’t owned by any one party.

A good cryptocurrency will be decentralized. There isn’t a central bank or subset of users that can change the rules without reaching consensus. The network participants (nodes) run software that connects them to other participants so that they can share information between themselves.

Централизованные и децентрализованные системы Centralized vs. decentralized networks.

On the left is what you’d expect something like a bank to use. Users must communicate via the central server. On the right, there is no hierarchy: nodes are interconnected and relay information between themselves.

The decentralization of cryptocurrency networks makes them highly resistant to shutdown or censorship. In contrast, to cripple a centralized network, you just need to disrupt the main server. If a bank had its database wiped and there were no backups, it would be very difficult to determine users’ balances.

In cryptocurrency, nodes keep a copy of the database. Everyone effectively acts as their own server. Individual nodes can go offline, but their peers will still be able to get information off of other nodes.

Cryptocurrencies are therefore functional 24 hours a day, 365 days a year. They allow for the transfer of value anywhere around the globe without the intervention of intermediaries. This is why we often refer to them as permissionless: anyone with an Internet connection can transmit funds.

Why is it called cryptocurrency?

The term “cryptocurrency” is a portmanteau of cryptography and currency. This is simply because cryptocurrency makes extensive use of cryptographic techniques to secure transactions between users.

What is public-key cryptography?

Public-key cryptography underpins cryptocurrency networks. It’s what users rely on to send and receive funds.

In a public-key cryptography scheme, you have a public key and a private key. A private key is essentially a massive number that would be impossible for anyone to guess. It’s often hard to wrap your head around just how big this number is.

For Bitcoin, guessing a private key is about as likely as correctly guessing the outcome of 256 coin tosses. With current computers, you wouldn’t even be able to crack someone’s key before the heat death of the universe.

Anyways, as the name might suggest, you need to keep your private key secret. But from this key, you can generate a public one. The public one can safely be handed out to anyone. It’s feasibly impossible for them to reverse-engineer the public key to get your private one.

You can also create digital signatures by signing data with your private key. It’s analogous to signing a document in the real world. The main difference is that anyone can say with certainty whether a signature is valid by comparing it with the matching public key. This way, the user doesn’t need to reveal their private key, but can still prove their ownership of it.

In cryptocurrencies, you can only spend your funds if you’ve got the corresponding private key. When you make a transaction, you’re announcing to the network that you want to move your currency. This is announced in a message (i.e., transaction), which is signed and added to the cryptocurrency’s database (the blockchain). As mentioned, you need your private key to create the digital signature. And since anyone can see the database, they can check that your transaction is valid by checking the signature.

Who invented cryptocurrency?

There have been a handful of attempts at digital cash schemes over the years, but the first of the cryptocurrencies was Bitcoin, which was released in 2009. It was created by a person or group of people using the pseudonym Satoshi Nakamoto. To this day, their true identity remains unknown.

Bitcoin spawned a huge number of subsequent cryptocurrencies – some aiming to compete, and others seeking to integrate features not available in Bitcoin. Nowadays, many blockchains do not just allow users to send and receive funds, but to run decentralized applications using smart contracts. Ethereum is perhaps the most popular example of such a blockchain.

What is the difference between cryptocurrencies and tokens?

At first glance, cryptocurrencies and tokens appear identical. Both are traded on exchanges and can be sent between blockchain addresses. Cryptocurrencies are exclusively meant to serve as money, whether as a medium of exchange, store of value, or both. Each unit is functionally fungible, meaning that one coin is worth as much as another. Bitcoin and other early cryptocurrencies were designed as currency, but later blockchains sought to do more. Ethereum, for instance, does not just provide currency functionality. It allows developers to run code (smart contracts) on a distributed network, and to create tokens for a variety of decentralized applications.

Tokens can be used like cryptocurrencies, but they’re more flexible. You can mint millions of identical ones, or a select few with unique properties. They can serve as anything from digital receipts representing a stake in a company to loyalty points.

On a smart-contract-capable protocol, the base currency (used to pay for transactions or applications) is separate from its tokens. In Ethereum, for instance, the native currency is ether (ETH), and it must be used to create and transfer tokens within the Ethereum network. These tokens are implemented according to standards like ERC-20 or ERC-721.

What is a crypto wallet?

Essentially, a cryptocurrency wallet is something that holds your private keys. It can be a purpose-built device (a hardware wallet), an application on your PC or smartphone, or even a piece of paper.

Wallets are the interface that most users will rely on to interact with a cryptocurrency network. Different types will offer different kinds of functionality – evidently, a paper wallet cannot sign transactions or display current prices in fiat currency.

For convenience, software wallets (e.g. Trust Wallet) are considered superior for day-to-day payments. For security, hardware wallets are virtually unmatched in their ability to keep private keys away from prying eyes. Cryptocurrency users tend to keep funds in both types of wallets.

How does blockchain work?

What is a blockchain?

A blockchain is a special kind of database where data can only be added (and not removed or changed). Transactions are periodically added to a blockchain inside what we call blocks (made up of transaction information and other important metadata).

We call the structure a chain because each block’s metadata includes a piece of information that links it to the previous one. Specifically, it includes a hash of the previous block, which you can think of like a unique digital fingerprint.

The probability of two pieces of data giving you the same output from a hash function is infinitesimally low. Because of this, if someone attempted to modify an older block, its hash would be different, meaning that the next block’s hash would also be different, and so on. It’s therefore obvious if a block has been changed, because all the blocks that come after it would need to be changed as well.

how blockchain uses the hash from the previous block to produce the following block Each block’s hash is included in the next block. This forms the chain of blocks, or blockchain.

The blockchain is downloaded in full by network participants. Remember how we said that anyone can validate transactions and signatures with public-key cryptography? When a node receives a block, it performs a number of checks. If anything is invalid, the block is rejected.

When a node receives a valid block, it makes its own copy of it and then propagates that block to other nodes. They then do the same until the block has spread throughout the whole network. This process is also carried out for unconfirmed transactions – that is, transactions that have been broadcast, but not yet included in the blockchain.

How are blocks added to a blockchain?

A blockchain's integrity is undermined if false financial information can be recorded. At the same time, there is no administrator or leader in the distributed system that maintains the ledger – so how do we ensure that participants are acting honestly?

Satoshi proposed a Proof of Work system, which allowed anyone to suggest a block to append to the blockchain. To put forward a block, users must sacrifice computational power to guess at a challenge set out by the protocol.

Proof of Work is the most tried-and-tested scheme for achieving consensus amongst users, but it is by no means the only one. Alternatives such as Proof of Stake are increasingly being explored, although they have yet to see proper implementation in their true form (though hybrid consensus mechanisms have been around for some time).

How does crypto mining work?

Heatmap of retailers

The process referred to above is known as mining. If the miner finds a solution, the block they constructed would extend the chain. As a result, they would receive a reward denominated in the blockchain’s native currency.

The cryptographic puzzle miners must solve involves repeatedly hashing data to produce a number that falls below a particular value. Hashing with a one-way function means that given the output, it is virtually impossible to guess the input. But given the input, it is trivial to verify the output. In this way, any participant can verify that the miner has produced a ‘correct’ block, and rejects those that are invalid. In this case, the miner receives no reward and has wasted resources by trying to forge an invalid block.

This results in some interesting game theory that makes it costly for an actor to attempt to cheat, but profitable for them to act honestly. No malicious entity has the resources to indefinitely attack a strong network. Therefore, we expect those with resources to make a return on their investment by participating correctly.

Can cryptocurrencies scale?

As you can probably tell, distributed networks aren’t very efficient. Unfortunately, cryptocurrencies can only be secure and censorship-resistant if all nodes can sync a copy of the blockchain. The lower the requirements to keep pace, the easier it will be for people to join.

You can see why a blockchain that only adds a small block every ten minutes is preferable, in this regard, to one that adds a huge block every five minutes. The latter would require nodes to run high-powered computers to stay in sync, and push lower-powered ones to go offline. This would result in greater centralization, as there are fewer peers on the network.

But with smaller blocks, we can’t achieve many transactions per second (TPS). That also means that, in busy periods, transactions can take a while to be added to the blockchain. It’s inconvenient if you want to make a fast payment, but it’s the price that must be paid for decentralization.

We call this issue a scalability dilemma. A system that scales well is one that can easily adapt to increased throughput with minimal downsides. Blockchains do not scale well – as we’ve explained, simply upping the throughput with bigger blocks undermines the entire purpose of the distributed network.

To increase TPS in a way that doesn’t harm the network’s decentralization, off-chain scaling appears to be a viable approach. This encompasses a broad range of solutions – centralized and decentralized – that allow transactions to be made without logging them to the blockchain.

Who makes decisions for cryptocurrency software?

Cryptocurrency networks are opt-in. Nobody’s forcing you to run software that you don’t want to. In a good protocol, the code will be entirely open-sourced so that users can be sure of the system’s fairness and security.

Generally, cryptocurrencies enable anyone to participate in their development. New features or edits to the code are vetted by a community of developers before being agreed on and published. From there, users can review the code themselves and choose to run it or not.

Some updates will be backward-compatible, meaning that updated nodes will still communicate with older ones. Others will not be backward-compatible – older nodes will be “kicked off” the network unless they’re updated. Check out Hard Forks and Soft Forks for an explanation of this.

How can I invest in cryptocurrency?

What cryptocurrency should I buy?

This is a choice only you can make – you should Do Your Own Research (DYOR) and decide based on your own analysis. With that said, there are many tools out there that can help you make better decisions. For example, Binance Research provides excellent insight & analysis pieces on the market, along with comprehensive reports on individual projects.

If you’d like to be able to assess what cryptocurrency to buy, it’s absolutely essential for you to first understand how Bitcoin works. Good news, that’s exactly why we created our What is Bitcoin? guide!

What should I learn before investing in cryptocurrencies?

Where do we even start? There are a plethora of ways to analyze the financial markets, and generally, most professional investors will use widely different strategies. On a high level, though, there are two main schools of thought to assess an investment: fundamental analysis (FA) and technical analysis (TA).

Fundamental analysis is a method to assess an asset’s valuation based mainly on economic and financial factors. Analysts who use this method look at both macroeconomic and microeconomic factors, industry conditions, or the business underlying the asset (if there’s one). In the case of cryptocurrencies, they may also look at public blockchain data, which are sometimes referred to as on-chain metrics.

This can involve looking at the number of transactions, addresses, the top holders, the network hash rate, and countless other pieces of information. The goal with this analysis is to come up with a valuation for the asset and compare it to its current valuation. In the end, this approach aims to determine whether the asset is currently undervalued or overvalued.

With all that said, it’s important to remember that cryptocurrencies are a new and flourishing asset class. Fundamental analysis has little room to shine when it comes to determining their valuation. Simply put, there’s no standardized framework for determining the valuation of cryptocurrencies, and most existing models can’t be trusted to a high degree. The success or failure of a cryptocurrency project may depend on many different factors, for which no current framework can account for.

Technical analysts take a different approach. Unlike fundamental analysts, technical analysts don’t try to determine the intrinsic value of an asset. Instead, they evaluate trading and investment opportunities based on historical trading activity. They do that by focusing on price movements, chart patterns, indicators, and various other charting tools to evaluate a market’s strength or weakness. In essence, technical analysts believe that the previous price movements of an asset can be valuable to try to predict its future price movements.

Since technical analysis can be applied to essentially any market with historical data, it’s widely used by cryptocurrency traders.

So which one should you learn? Well, why not both? Most market analysis tools work best when used in combination with other tools. In either case, it’s absolutely vital to understand financial risk and risk management, and never to invest more than you can afford to lose.

Where to buy cryptocurrencies

There are various ways to buy cryptocurrencies. The first thing you’ll need to do, though, is convert your fiat currency into cryptocurrency. Then, you can choose to either HODL, trade it with other cryptocurrencies, or lend it and earn interest. Let’s take a look at the different types of cryptocurrency exchanges.

Centralized exchanges (CEX)

You might find the concept of a centralized exchange a bit confusing since cryptocurrencies are often referred to as decentralized. In short, centralized exchanges are online platforms that facilitate trades by connecting buyers and sellers.

The way this works is that users deposit their fiat money or cryptocurrency to the exchange and trade within its internal systems. If you’re familiar with how cryptocurrency wallets work, you’ll know that, in this case, your cryptocurrency is custodied by the exchange. But it should be fairly easy for you to withdraw your funds and keep them in your own wallet, if you want to.

Some might prefer keeping their funds on the exchange, either because they trade regularly or for convenience. However, if the exchange is hacked, user funds might be at risk.

Decentralized exchanges (DEX)

Decentralized exchanges are different. When you’re using a DEX, there are no custodians involved. In fact, a more accurate way of referring to this type of exchange would be non-custodial exchange.

Here’s what happens when you trade on a DEX. Instead of depositing your funds to the exchange’s wallet, you’re trading directly from your own wallet. When a trade is executed, the funds are transferred directly on the blockchain using the magic of smart contracts.

Since there’s no entity acting as a custodian, some consider this a safer choice than CEXs. Another upside might be that most DEXs don’t require you to provide any personal information other than a blockchain wallet address. At the same time, taking custody of your own funds requires some amount of technical expertise, and you’re entirely at your own responsibility.

P2P exchanges

A peer-to-peer (P2P) exchange is also a place that connects buyers and sellers, but it’s different from both a CEX and a DEX. In this case, the exchange itself does nothing more than connect buyers and sellers, and they can settle the transaction in whatever way they agree on. So, the deposit and settlement method can be decided by buyers and sellers for each individual transaction.

How to buy cryptocurrencies

How to buy cryptocurrencies on Binance

  • Log in to Binance, or register if you don’t already have an account.
  • Go to the Buy and Sell Cryptocurrency portal.
  • Select the cryptocurrency you’d like to buy, and the currency you’d like to pay with.
  • Select your payment method.
  • If prompted, insert your card or bank details, and complete identity verification.
  • You’re done! Your cryptocurrency will be credited to your Binance account.

How to buy cryptocurrencies on Binance DEX

Using a DEX is a bit more complicated than the other available options.

Here’s what you need before you start:

  • A wallet that can connect to Binance DEX (we recommend Trust Wallet).
  • Some BNB to pay for transaction fees.

How to buy cryptocurrencies on Binance P2P

  • Log in to Binance, or register if you don’t already have an account.
  • Go to the Binance P2P portal.
  • Select whether you’d like to buy or sell.
  • Filter by currency, payment method, or other trade requirements.
  • Select a listing that meets your requirements, or post your own listing.

Frequently asked cryptocurrency questions

Very few countries place an outright ban on buying, selling, and storing cryptocurrency. In the vast majority of the world, Bitcoin and other virtual currencies are perfectly legal. But before getting started with them, you should check if your jurisdiction permits it.

It’s important to remember that each country has a different approach to regulating cryptocurrency activities. Make sure that you’re not in violation of any rules surrounding taxation or compliance.

Is crypto dead?

is crypto dead header image

The media have pronounced cryptocurrency dead hundreds of times in the last decade. And yet, it continues to work just as it did in 2009. That’s not to say it isn’t volatile – the price fluctuates wildly. To those solely trying to turn a profit, bear markets can be disheartening.

However, it would be a mistake to describe cryptocurrency as “dead.” It continues to attract new users, and the technology and infrastructure are only growing more sophisticated.

The core innovations of Bitcoin and Ethereum will undoubtedly play an important part in reshaping our existing monetary systems to be more suitable for the current age. Immutability, censorship-resistance, trustlessness, or near-instant transactions using a public monetary system could completely revamp the mechanics of economic activity on the Internet.

Is cryptocurrency safe?

There’s a degree of risk taken on with cryptocurrency. If you forget the password to access your bank account, you can just have it reset through customer support. But, if you forget or lose the private keys that give you access to your crypto, there’s no one that can help you. Using a reputable exchange can be a more forgiving option – it requires trust, but you aren’t at risk of losing your private keys.

Public-key cryptography has not yet been broken. With good security measures, you’re probably more likely to have any of your other online accounts hacked than you are to have your funds stolen. Best practices include being aware of common scams (social engineering, phishing, etc.), keeping your private keys offline at all times, and backing them up in a secure location.

Is cryptocurrency anonymous?

Your name isn’t connected to your cryptocurrency addresses – they look like random strings of numbers and letters on the blockchain. Be careful when assuming that this makes you anonymous, though. You’re pseudonymous – you still have a sort of on-chain identity, it just isn’t the one you use in real life.

There are certain methods that may allow people to tie IP addresses to your activities. On this front, things like dusting attacks and other analysis techniques can be used to deanonymize you. Remember that blockchains are essentially massive public databases. If you’re concerned about your privacy, you should try to make it as difficult as possible for others to link your transactions to your name. Cryptocurrencies like Bitcoin aren’t private by default, but methods like coin mixing and CoinJoins can make analysis heuristics unreliable.

A small subset of cryptocurrencies (known as privacy coins) are able to obfuscate the source, destination and amount of funds in transactions, using methods like Confidential Transactions. They have stronger privacy by default but are not totally resistant to deanonymization.

Is cryptocurrency valuable?

In financial systems, value is a shared belief. Just like with anything valuable, the value isn’t inherent to cryptocurrency itself – it’s assigned by people. In other words, something has value if people believe it does. This is true regardless if the object of value is a precious metal, a piece of paper, or some bits in a database.

With all that said, some consider cryptocurrencies and Bitcoin, something akin to a scarce digital commodity. Due to its predictable issuance rate and monetary policy, some argue that Bitcoin may act as a store of value in the future, similar to gold. Since Bitcoin has existed only for a little more than a decade, it’s yet to be seen whether it will stand the test of time in this regard.

Are all digital currencies cryptocurrencies?

No. You might have heard that many nation-states and central banks are working on creating their own versions of digital currency. However, these are just that – digital currencies. As a matter of fact, they’re often collectively referred to as central bank digital currencies (CBDCs). These are essentially digital versions of fiat money, and they don’t enjoy most of the benefits of cryptocurrencies. They are issued and declared legal tender by a central government and typically don’t use a distributed ledger, such as a blockchain, to keep a record of transactions.

You might also have heard about Facebook Libra, another type of digital currency. On the plus side, it’s planned to be built on an open-source blockchain system. However, it wouldn’t be permissionless such as Bitcoin or Ethereum, meaning that participants would need more than a simple Internet connection to use it. What’s more, the project and the activity on it would be run and managed by an association made up of a few selected members.

So, despite CBDCs and other forms of digital money making use of blockchain or cryptography, they’re quite different from cryptocurrencies such as Bitcoin.

What is the market capitalization of a cryptocurrency?

When you’re looking at the price of a cryptocurrency, you only see part of the picture. An equally important metric is how many individual units of that cryptocurrency exist out there, i.e., the supply.

More specifically, to assess the valuation of a cryptocurrency network, you need to know how many individual units exist right now. This is called the circulating supply. Different cryptocurrencies may adopt different issuance schedules, so it’s important to understand how the issuance works with each network.

The market capitalization (or market cap) is the price of an individual unit multiplied by the circulating supply.

Market Capitalization = Circulating Supply * Price

As you might imagine, the market capitalization of a cryptocurrency network is a more accurate representation of the value in the network than the price of an individual unit. A network with a lower-priced coin but a higher circulating supply might have a higher total valuation (market cap) than one with a higher-priced coin but lower circulating supply. And the opposite could also be true in certain cases.

It’s worth noting, however, that the market capitalization does not represent how much money entered a particular market. For instance, it’s a common misconception among newcomers that the Bitcoin market cap represents the total amount of money invested in Bitcoin. But that doesn’t make sense because the market cap depends on the price and supply.

Why do I need to pay transaction fees?

If you send one bitcoin to another address, you’ll notice that the address receives slightly less than what you’ve sent. That’s because you pay a small fee to reward miners for adding your transaction to the blockchain.

Many cryptocurrencies use a similar mechanism to incentivize users to secure the network. In Proof of Work systems, transaction fees are usually bundled with freshly-minted coins (the block subsidy) to form the block reward.

You can adjust the fee depending on the urgency of your transaction. Rational miners will always seek to make as much revenue as possible, so they’ll prioritize transactions with higher fees. You can look at the current pending transactions to get an idea of the average fee, and set your own accordingly.

I lost my key. Can I get my funds back?

If you’re sure you lost your keys, chances are you will never get them back. The great benefit of cryptocurrencies is the removal of custodians and middlemen from managing financial transactions. The downside of that, however, is that the responsibility is now entirely in your hands. So you need to be extremely careful not to lose your private keys, as they’re what give you ownership of your funds.

What is the future of cryptocurrency?

What the future of cryptocurrency will look like depends entirely on who you ask. Some believe that Bitcoin will rise to replace gold in the digital age and disrupt the existing financial system. Others argue that cryptocurrencies will always be a secondary system, existing as a niche market. We also have the ones that believe Ethereum will become a distributed computer, serving as the backbone of a new Internet.

Skeptics predict the industry will eventually collapse, while enthusiasts are happy with cryptocurrencies remaining niche monetary systems. There are many possible outcomes – it’s simply too early to say with certainty what will happen even a year from now. But we can’t deny that there is a huge potential for growth.

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What Is Play-to-Earn and How to Cash Out?

What Is Play-to-Earn and How to Cash Out?
Play-to-earn games allow users to farm or collect crypto and NFTs that can be sold on the market. By playing the game regularly, each player can earn more items or tokens to sell and generate an income. Some players have even begun to supplement or replace their salaries playing these blockchain games. However, such activity involves risk, as you typically need to put up an initial investment to purchase characters and items to play the game. Blockchain helps guarantee the collectibility of these items and create working digital economies. Blockchain technology and NFTs allowed for the creation of digital items that are impossible to duplicate. This created the concept of digital scarcity.
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What Is Uniswap and How Does It Work?

What Is Uniswap and How Does It Work?
Uniswap is a set of computer programs that run on the Ethereum blockchain and allow for decentralized token swaps. It works with the help of unicorns (as illustrated by their logo). Traders can exchange Ethereum tokens on Uniswap without having to trust anyone with their funds. Meanwhile, anyone can lend their crypto to special reserves called liquidity pools. In exchange for providing money to these pools, they earn fees. How do these magical unicorns convert one token to the other? What do you need to use Uniswap? Let’s read on.
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Mining Pools Explained

Mining Pools Explained
Mining is integral to the security of Proof of Work blockchains. By computing hashes with certain properties, participants are able to secure cryptocurrency networks without the need for a central authority. When Bitcoin first launched in 2009, anyone with a regular PC could compete with other miners to guess a valid hash for the next block. That’s because the mining difficulty was low. There wasn’t much hash rate on the network. As such, you didn’t need specialized hardware to add new blocks to the blockchain.
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Who Is Satoshi Nakamoto?

Who Is Satoshi Nakamoto?
Satoshi Nakamoto is the pseudonym behind the development of Bitcoin and the authorship of the original Bitcoin whitepaper. The question “who is Satoshi Nakamoto?” has led to speculation of their true identity as well as people falsely claiming they are Satoshi Nakamoto. The creator of Bitcoin has been clouded in mystery for more than a decade. However, it’s clear that Satoshi still owns bitcoins since their public keys were traced from the genesis block, which Satoshi mined.
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What Is Cryptocurrency Mining?

What Is Cryptocurrency Mining?
Cryptocurrency mining refers to the process of verifying and validating blockchain transactions. It’s also the process that creates new units of cryptocurrencies. The work done by miners requires intensive computational resources, but it’s what keeps a blockchain network secure. Honest and successful miners are rewarded for their work with newly created cryptocurrencies plus transaction fees.
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A Quick Guide to Binance Dual Investment

A Quick Guide to Binance Dual Investment
We all know that to get a return on an investment, we need to buy low and sell high. Investing in cryptocurrency is no different. Binance Dual Investment provides a great way to seize Buy Low and Sell High opportunities while also providing you with additional returns. Let’s dive into how it works and exactly how you can get started.
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Hybrid PoW/PoS Consensus Explained

Hybrid PoW/PoS Consensus Explained
A blockchain’s consensus mechanism serves to ensure that there is agreement among participants on the current state of the blockchain. The consensus mechanism determines who is able to add new blocks of transactions, and one of its primary aims is to ensure that the chain is not re-written.
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Your Guide to Binance Earn

Your Guide to Binance Earn
Not interested in trading but still looking to increase your crypto holdings? Is the 0.05% interest your local bank offers on your savings account not exciting enough? Well, you’ll find alternative choices within the Binance Earn product suite. Binance Earn is your crypto savings account. Here, you’ll find a great variety of options for earning passive income with your crypto holdings.
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Delegated Proof of Stake Explained

Delegated Proof of Stake Explained
The Delegated Proof of Stake (DPoS) consensus algorithm is considered by many as a more efficient and democratic version of the preceding PoS mechanism. Both PoS and DPoS are used as an alternative to the Proof of Work consensus algorithm, since a PoW system requires, by design, lots of external resources. The Proof of Work algorithm makes use of a large amount of computational work in order to secure an immutable, decentralized and transparent distributed ledger. Contrarily, PoS and DPoS require fewer resources and are, by design, more sustainable and eco-friendly. To understand how Delegated Proof of Stake works, one must first grasp the basics of the Proof of Work and Proof of Stake algorithms that preceded it.
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Proof of Burn Explained

Proof of Burn Explained
While most blockchain systems either make use of a Proof of Work (PoW) or a Proof of Stake (PoS) consensus algorithm, the Proof of Burn (PoB) is being tested as a possible alternative to those.
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Proof of Authority Explained

Proof of Authority Explained
The cryptocurrency space has changed a lot since the first blockchain transaction on the Bitcoin network. Along with the well-known Proof of Work and Proof of Stake algorithms, other consensus mechanisms were proposed, with alternative methods for reaching consensus within a blockchain system.
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What Is a DoS Attack?

What Is a DoS Attack?
In short, a DoS attack (or Denial-of-Service attack) is a method used to disrupt legitimate users' access to a target network or web resource. Typically, this is accomplished by overloading the target (often a web server) with a massive amount of traffic - or by sending malicious requests that cause the target resource to malfunction or crash entirely.
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What Is a 51% Attack?

What Is a 51% Attack?
Before diving into the 51% attack, it is crucial to have a good understanding of mining and blockchain-based systems. One of the key strengths of Bitcoin and its underlying blockchain technology is the distributed nature of building and verifying data. The decentralized work of the nodes ensures that the protocol rules are being followed and that all network participants agree on the current state of the blockchain. This means that the majority of nodes need to regularly reach consensus in regards to the process of mining, to the version of the software being used, to the validity of transactions, and so forth.
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Delayed Proof of Work Explained

Delayed Proof of Work Explained
Delayed Proof of Work (dPoW) is a security mechanism designed by the Komodo project. It is basically a modified version of the Proof of Work (PoW) consensus algorithm that makes use of Bitcoin blockchain’s hashpower as a way to enhance network security. By using dPoW, Komodo developers are able to secure not only their own network but also any third-party chain that ends up joining the Komodo ecosystem in the future. In fact, dPoW can be implemented for any project that develops an independent blockchain using a UTXO model.
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What Is a Blockchain Consensus Algorithm?

What Is a Blockchain Consensus Algorithm?
A consensus algorithm is a mechanism that allows users or machines to coordinate in a distributed setting. It needs to ensure that all agents in the system can agree on a single source of truth, even if some agents fail. In other words, the system must be fault-tolerant (see also - Byzantine Fault Tolerance Explained). In a centralized setup, a single entity has power over the system. In most cases, they can make changes as they please – there isn’t some complex governance system for reaching consensus amongst many administrators.
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5 BSC Metaverse Projects You Should Know

5 BSC Metaverse Projects You Should Know
The metaverse is an online, immersive space where users can work, play, and socialize in a 3D environment. The metaverse is still developing, but blockchain technology already plays a significant role. BNB Smart Chain (BSC) is the home to many metaverse projects experimenting with play-to-earn blockchain games and community sandboxes.decentral.games lets users play and run their own casino through governance mechanisms. Cyber Dragon and Alien Worlds both provide an RPG-like experience where players have their own character, missions, and loot. TopGoal is also gaming-related but focuses on the collectability of Non-Fungible Tokens (NFTs) to represent sports stars like trading cards.
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A Beginner's Guide to Earning Passive Income With Crypto

A Beginner's Guide to Earning Passive Income With Crypto
Trading or investing in projects is one way to make money in the blockchain industry. However, that typically requires detailed research and a substantial investment of time – but it still won’t guarantee a reliable source of income. Even the best investors can experience prolonged periods of loss, and one of the ways to survive them is to have alternative sources of income.
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What Is Crypto Lending and How Does It Work?

What Is Crypto Lending and How Does It Work?
Crypto lending lets users borrow and lend cryptocurrencies for a fee or interest. You can instantly get a loan and start investing just by providing some collateral. This could be through a DeFi lending DApp or a cryptocurrency exchange. When your collateral falls below a certain value, you will need to top it up to the required level to avoid liquidation. When you return your loan plus a fee, your capital is unlocked.
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A Beginner's Guide to Decentralized Finance (DeFi)

A Beginner's Guide to Decentralized Finance (DeFi)
DeFi lets users access crypto financial services with just no more than a wallet with some crypto. A range of DApps facilitates lending, liquidity provision, swaps, staking, and more across many blockchains. While Ethereum was DeFi's original home, most blockchains with smart contract capabilities now host DeFi DApps. Smart contracts are essential to the services DeFi offers, which include staking, investing, lending, harvesting, and more.
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5 NFT Projects You Should Know

5 NFT Projects You Should Know
The interest in NFTs has exploded. While many NFT projects had a small community of enthusiasts since their early existence, 2021 has brought forth a bit of an NFT bubble. Many thought DeFi would bring mainstream adoption to the crypto space. However, it seems like the value proposition of NFTs is much easier to grasp for people not involved with blockchain technology. As such, some NFT projects have even entered the mainstream. But which ones are they?
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Top 3 NFT Projects on Binance Smart Chain

Top 3 NFT Projects on Binance Smart Chain
The demand for non-fungible tokens (NFTs) keeps growing on Binance Smart Chain (BSC). The blockchain’s speed and low transaction fees make it very attractive for both users and developers. On BSC, Battle Pets, PancakeSwap, and BakerySwap have all pushed further the limits of what an NFT can do. Both Battle Pets and BakerySwap combine collectibles with Decentralized Finance (DeFi) staking for their tokens. PancakeSwap is also experimenting with NFTs that merge collectability, financial utility, and gamification.
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Top 7 NFT Use Cases

Top 7 NFT Use Cases
Massive interest in non-fungible tokens has led to a boom in crypto-collectibles and NFT art. These are two of the most prominent use cases in the DeFi ecosystem, but they aren’t the only applications. Scarcity and uniqueness make non-fungible tokens a good match for real-world assets, logistics, music royalties, and more. As NFTs mature, we can expect to see further adoption of more experimental use cases.
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What Are NFT Games and How Do They Work?

What Are NFT Games and How Do They Work?
NFTs are unique digital collectibles on the blockchain. This feature makes them suitable to use in games as representations as characters, consumables, and other tradeable items. NFT games have become popular in the Game-fi world as a way to earn income. You can sell your in-game NFTs to other collectors and players and even earn tokens with play-to-earn models.
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What Is the Metaverse?

What Is the Metaverse?
The metaverse is a concept of a persistent, online, 3D universe that combines multiple different virtual spaces. You can think of it as a future iteration of the internet. The metaverse will allow users to work, meet, game, and socialize together in these 3D spaces.
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What Are CryptoPunks?

What Are CryptoPunks?
CryptoPunks are collectible pieces of crypto art, represented by NFTs on the Ethereum blockchain. There are 10,000 small, 8-bit-style punks, all with unique features. As one of the first famous NFT projects, they inspired a lot of crypto artists and even the development of the ERC-721 token standard for digital collectibles. The project became more popular in 2021 after some CryptoPunks were sold for millions of dollars, making them some of the most expensive NFTs.
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What Is an Automated Market Maker (AMM)?

What Is an Automated Market Maker (AMM)?
You could think of an automated market maker as a robot that’s always willing to quote you a price between two assets. Some use a simple formula like Uniswap, while Curve, Balancer and others use more complicated ones.
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A Guide to Crypto Collectibles and Non-fungible Tokens (NFTs)

A Guide to Crypto Collectibles and Non-fungible Tokens (NFTs)
The creation of Bitcoin introduced the concept of trustless, digital scarcity. Before it, the cost of digitally copying something was next to nothing. With the advent of blockchain technology, programmable digital scarcity has become possible – letting us map the digital world to the real world. Non-fungible tokens (NFTs), often referred to as crypto collectibles, expand this idea. Unlike cryptocurrencies, where each token is equal, non-fungible tokens are unique and limited in quantity.
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Decentralized Autonomous Organizations (DAOs) Explained

Decentralized Autonomous Organizations (DAOs) Explained
Blockchains are already radically transforming our financial system. However, properties such as trustlessness and immutability aren’t only useful in monetary applications. Another potential candidate ripe for disruption by this technology is governance. Blockchains could enable entirely new types of organizations that can run autonomously without the need for coordination by a central entity. This article will give an introduction to what these organizations might look like.
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A Beginner's Introduction to Cryptoeconomics

A Beginner's Introduction to Cryptoeconomics
In simple terms, cryptoeconomics provides a way to coordinate the behavior of network participants by combining cryptography with economics. More specifically, cryptoeconomics is an area of computer science that attempts to solve participant coordination problems in digital ecosystems through cryptography and economic incentives.
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Pyramid and Ponzi Schemes

Pyramid and Ponzi Schemes
Most individuals that invest in Bitcoin – or that participate in Initial Coin Offering (ICO) events – are usually concerned about two things. First, the Return of Investment (ROI), which represents the profits they will eventually make from the initial investment. Then, there is a second concern, which is related to the amount of risk involved with the investment. When the risks are too high, investors are more likely to lose their initial investment (in parts or completely), which would result in a negative ROI.
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What is Public Key Cryptography?

What is Public Key Cryptography?
Public key cryptography (PKC), also known as asymmetric cryptography, is a framework that uses both a private and a public key, as opposed to the single key used in symmetric cryptography. The use of key pairs gives PKC a unique set of characteristics and capabilities that can be utilized to solve challenges inherent in other cryptographic techniques. This form of cryptography has become an important element of modern computer security, as well as a critical component of the growing cryptocurrency ecosystem.
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History of Cryptography

History of Cryptography
Cryptography, the science of writing codes and ciphers for secure communication, is one of the most important elements that goes into making modern cryptocurrencies and blockchains possible. The cryptographic techniques used today, however, are the result of an incredibly long history of development. Since ancient times, people have used cryptography to transmit information in a secure manner. Following is the fascinating history of cryptography that has led up to the advanced and sophisticated methods used for modern digital encryption.
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What Is Axie Infinity (AXS)?

What Is Axie Infinity (AXS)?
It’s 2021, and that means you can earn money by playing games and breeding virtual pets. An easy way to think of Axie Infinity is to imagine a blockchain game that combines Pokémon, CryptoKitties, and card game elements.
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Is Bitcoin a Store of Value?

When you think of a safe-haven asset, precious metals like gold or silver probably come to mind. They’re investments that individuals flock to as hedges against turmoil in traditional markets. The debate over whether Bitcoin follows in the footsteps of these assets rages on. In this article, we’ll look at some of the main arguments for and against Bitcoin being a store of value.
When you think of a safe-haven asset, precious metals like gold or silver probably come to mind. They’re investments that individuals flock to as hedges against turmoil in traditional markets. The debate over whether Bitcoin follows in the footsteps of these assets rages on. In this article, we’ll look at some of the main arguments for and against Bitcoin being a store of value.
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What Is VeChain (VET)?

What Is VeChain (VET)?
VeChain provides blockchain solutions for businesses around the globe. With plenty of existing industry blockchain applications from supply chain management to anti-counterfeiting and carbon credits, their systems have been proven in the real world. VET is the coin that underpins VeChain, where VTHO is the gas token that’s used for transactions on the VeChainThor blockchain (like Ethereum’s gas).
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Приготовьтесь! Биткойн будут сливать, но это не точно

Приготовьтесь! Биткойн будут сливать, но это не точно
Только что в Twitter наткнулся на пост от Jacob Canfield, якобы есть инсайдерская информация, о том что Bitcoin планируют сливать, дабы выбить некоторых конкурентов, потом обратно откупить, подняв стоимость до $70к.
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More about the Crypto Fans club

More about the Crypto Fans club
Now I will tell you what our club is, how it works and what advantages it has. A minimum of water, a maximum of specifics. The club is a kind of trust fund, which consists of a team of Asset Managers, on the one hand, who invest in the crypto market, and Investors, on the other. I will not describe in this article what cryptocurrency is, why it is growing, and what are its advantages, this topic is worthy of a separate article. You can google all this, or go to coinmarketcap.com and see how the value of a particular cryptocurrency has grown at least this year, and doubts about investing in cryptocurrency should disappear.
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What Is The Sandbox (SAND)?

What Is The Sandbox (SAND)?
The Sandbox is a play-to-earn game that combines blockchain technology, DeFi, and NFTs in a 3D metaverse. Its virtual world allows players to create and customize their games and digital assets with free design tools. The virtual goods created can then be monetized as NFTs and sold for SAND tokens on The Sandbox Marketplace.
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What Is Tether (USDT)?

What Is Tether (USDT)?
Tether (USDT) is one of the most popular stablecoins out there. It was designed to hold a one-to-one value with the US dollar. The coin exists on many different blockchains and has experienced rising trading volumes and improved liquidity over the past few years.
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What Is Solana (SOL)?

What Is Solana (SOL)?
Solana is a blockchain network focused on fast transactions and high throughput. It uses a unique method of ordering transactions to improve its speed. Users can pay their transaction fees and interact with smart contracts with SOL, the network’s native cryptocurrency.
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What Is Polkadot (DOT)?

What Is Polkadot (DOT)?
Polkadot positions itself as the next-generation blockchain protocol, capable of connecting multiple specialized chains into one universal network. With a strong focus on building infrastructure for Web 3.0 – and founded by the Web3 Foundation – Polkadot aims to disrupt Internet monopolies and empower individual users.
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What Is Harmony (ONE)?

What Is Harmony (ONE)?
Harmony is a layer-1 blockchain using sharding and Effective Proof of Stake to achieve scalability, security, and decentralization. The network was launched in 2019 and features trustless cross-chain bridges and four shards, which process transactions in parallel. Effective Proof of Stake encourages decentralization of validators, and sharding shares the network's load among validators, delegators, and users.
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What Is Filecoin (FIL)?

What Is Filecoin (FIL)?
FFilecoin is a decentralized, peer-to-peer digital storage marketplace using blockchain technology. It’s built on top of InterPlanetary File System (IPFS) and allows users to rent unused hard disk space and earn FIL tokens in return. Let’s see how Filecoin aims to shake up the online storage space.
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What Is Decentraland (MANA)?

What Is Decentraland (MANA)?
Decentraland is a virtual world and community based on blockchain technology. Users develop and own plots of land, artwork, and Non-Fungible Tokens (NFT). Members also participate in the platform’s Decentralized Autonomous Organization (DAO).
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What Is Ethereum 2.0 And Why Does It Matter?

What Is Ethereum 2.0 And Why Does It Matter?
Ethereum 2.0 is a long-awaited upgrade to the Ethereum (ETH) network that’s promised significant improvements to the functionality and experience of the network as a whole. Some of the more notable upgrades include a shift to Proof of Stake (PoS), shard chains, and a new blockchain at the core called the beacon chain. All of this and more is expected to be phased in through a carefully planned roadmap.
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What Is BUSD?

What Is BUSD?
BUSD is a regulated, fiat-backed stablecoin pegged to the U.S. dollar. For every unit of BUSD, there is one U.S. dollar held in reserve. In other words, the supply of BUSD is pegged to the U.S. dollar at a 1:1 ratio. Holders can swap their tokens for fiat and vice versa. Paxos, the token’s issuer, releases monthly attestations of BUSD’s reserves.
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What Is Avalanche (AVAX)?

What Is Avalanche (AVAX)?
Avalanche attempts to improve scalability without compromising speed or decentralization. Three blockchains make up its core platform - the Exchange Chain (X-Chain), Contract Chain (C-Chain), and Platform Chain (P-Chain). The X-Chain is used for creating and trading assets. The C-Chain is for smart contract creation. The P-Chain is for coordinating validators and Subnets.
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What Are Wrapped Tokens?

What Are Wrapped Tokens?
A wrapped token is a cryptocurrency token pegged to the value of another crypto. It’s called a wrapped token because the original asset is put in a wrapper, a kind of digital vault that allows the wrapped version to be created on another blockchain.
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What Is a Stablecoin?

What Is a Stablecoin?
A stablecoin is a cryptoasset pegged to another asset, such as fiat currencies or precious metals. Stablecoins are designed to maintain a relatively stable price so that users can avoid the volatility risks common in the crypto markets.
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Tokenized Bitcoin on Ethereum Explained

Tokenized Bitcoin on Ethereum Explained
Tokenized Bitcoin is a way to use bitcoin on other blockchains. But wait, isn’t Bitcoin great already? Indeed it is! It has a solid use case, and it already acts as a kind of public good. At the same time, its purposely limited features leave little room for further innovation.
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How to Use WalletConnect

WalletConnect is a protocol used by many crypto wallets that allows you to easily connect with the many DApps of decentralized finance (DeFi). Simply find the DApp you want to interact with, connect with a QR code or deep link, and you’re good to go. Always remember to disconnect at the end of any session for maximum security
WalletConnect is a protocol used by many crypto wallets that allows you to easily connect with the many DApps of decentralized finance (DeFi). Simply find the DApp you want to interact with, connect with a QR code or deep link, and you’re good to go. Always remember to disconnect at the end of any session for maximum security
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What Is Ethereum? (ETH)

Ethereum is a decentralized computing platform. You can think of it like a laptop or PC, but it doesn't run on a single device. Instead, it simultaneously runs on thousands of machines around the world, meaning that it has no owner.
Ethereum is a decentralized computing platform. You can think of it like a laptop or PC, but it doesn't run on a single device. Instead, it simultaneously runs on thousands of machines around the world, meaning that it has no owner.
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What Is Bitcoin (BTC)

Bitcoin is a digital form of cash. But unlike the fiat currencies you’re used to, there is no central bank controlling it.
Bitcoin is a digital form of cash. But unlike the fiat currencies you’re used to, there is no central bank controlling it. Instead, the financial system in Bitcoin is run by thousands of computers distributed around the world. Anyone can participate in the ecosystem by downloading open-source software.
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How to Use MetaMask

If you’re interested in the Ethereum ecosystem, you need an application like MetaMask. Far more than a simple wallet, it allows you to interact with websites that integrate Ethereum.
If you’re interested in the Ethereum ecosystem, you need an application like MetaMask. Far more than a simple wallet, it allows you to interact with websites that integrate Ethereum.
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A Beginner's Guide to Bitcoin's Lightning Network

A Beginner's Guide to Bitcoin's Lightning Network
Cryptocurrencies have some pretty unique properties. They can’t be hacked or shut down easily, and anyone can use them to transmit value around the globe without a third party’s intervention. To ensure that these features remain, significant trade-offs must be made. Since many nodes are responsible for running a cryptocurrency network, throughput is limited. As a result, the number of transactions per second (TPS) a blockchain network can process is relatively low for a technology that aims to be adopted by the masses.
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What is Fundamental Analysis (FA)?

What is Fundamental Analysis (FA)?
When it comes to trading – whether you’re dealing with century-old stocks or nascent cryptocurrencies – there’s no exact science involved. Or, if there is, Wall Street’s top players ensure that the formula remains a well-kept secret.
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History of Blockchain

The underlying technology behind cryptocurrencies is the blockchain. It allows every client in the network to reach consensus without ever having to trust each other.
The underlying technology behind cryptocurrencies is the blockchain. It allows every client in the network to reach consensus without ever having to trust each other.
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How Does Blockchain Work?

In short, a blockchain is a list of data records that works as a decentralized digital ledger. The data is organized into blocks, which are chronologically arranged and secured by cryptography.
In short, a blockchain is a list of data records that works as a decentralized digital ledger. The data is organized into blocks, which are chronologically arranged and secured by cryptography.
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What Is MakerDAO (DAI)?

What Is MakerDAO (DAI)?
MakerDAO is a Decentralized Finance (DeFi) project with a crypto-collateralized, stablecoin DAI pegged to the US dollar. Its community manages the coin via a Decentralized Autonomous Organization (DAO). Users generate DAI by locking cryptocurrency in a Maker Vault at a certain Liquidation Ratio. For example, a 125% Liquidation Ratio requires $1.25 of crypto collateral value for each $1 of DAI.
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What Is a Crypto Wallet?

In short, a crypto wallet is a tool that you can use to interact with a blockchain network. There are various crypto wallet types, which can be divided into three groups - software, hardware, and paper wallets. Depending on their working mechanisms, they may also be referred to as hot or cold wallets.
In short, a crypto wallet is a tool that you can use to interact with a blockchain network. There are various crypto wallet types, which can be divided into three groups - software, hardware, and paper wallets. Depending on their working mechanisms, they may also be referred to as hot or cold wallets.
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What Is Tulip Mania?

The Tulip Mania is considered by many as the first recorded story of a financial bubble, which supposedly occurred in the 1600s. Before discussing if the Tulip Mania was really a financial bubble or not, let’s go through the most common narrative that considers it to be a real bubble.
The Tulip Mania is considered by many as the first recorded story of a financial bubble, which supposedly occurred in the 1600s. Before discussing if the Tulip Mania was really a financial bubble or not, let’s go through the most common narrative that considers it to be a real bubble.
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What Is Technical Analysis?

What Is Technical Analysis?
Technical analysis (TA), often referred to as charting, is a type of analysis that aims to predict future market behavior based on previous price action and volume data. The TA approach is extensively applied to stocks and other assets in traditional financial markets, but it is also an integral component of trading digital currencies in the cryptocurrency market.
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What Is Staking?

What Is Staking?
You may think of staking as a less resource-intensive alternative to mining. It involves holding funds in a cryptocurrency wallet to support the security and operations of a blockchain network. Simply put, staking is the act of locking cryptocurrencies to receive rewards.
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What Is Phishing?

What Is Phishing?
Phishing is a type of cyber attack where a malicious actor poses as a reputable entity or business in order to deceive people and collect their sensitive information - such as credit card details, usernames, passwords, and so forth. Since phishing involves psychological manipulation and relies on human failures (instead of hardware or software) it is considered a type of social engineering attack.
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What Is Inflation?

Ever hear your grandmother talk about how everything was cheaper when she was younger? That’s because of inflation. It’s caused by irregularities in supply and demand for products and services, leading to an increase in prices.
Ever hear your grandmother talk about how everything was cheaper when she was younger? That’s because of inflation. It’s caused by irregularities in supply and demand for products and services, leading to an increase in prices.
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What Is Hyperinflation?

All economies experience some level of inflation, which occurs when the average price of goods increases, as the purchasing power of that currency decreases. Usually, governments and financial institutions work together to ensure inflation occurs at a smooth and gradual rate. However, there have been many instances in history where inflation rates have accelerated at such an unprecedented degree that it caused the real value of that country's currency to be diminished in alarming proportions. This accelerated rate of inflation is what we call hyperinflation.
All economies experience some level of inflation, which occurs when the average price of goods increases, as the purchasing power of that currency decreases. Usually, governments and financial institutions work together to ensure inflation occurs at a smooth and gradual rate. However, there have been many instances in history where inflation rates have accelerated at such an unprecedented degree that it caused the real value of that country's currency to be diminished in alarming proportions. This accelerated rate of inflation is what we call hyperinflation.
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What Is Hashing?

What Is Hashing?
Hashing refers to the process of generating a fixed-size output from an input of variable size. This is done through the use of mathematical formulas known as hash functions (implemented as hashing algorithms).
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What Is Fiat Currency?

Simply put, fiat currency is legal tender that derives its value from its issuing government rather than a physical good or commodity. The strength of the government that establishes the value of fiat currency is key in this type of money. Most countries around the world use the fiat currency system to purchase goods and services, invest, and save. Fiat currency replaced the gold standard and other commodity-based systems in establishing the value of legal tender.
Simply put, fiat currency is legal tender that derives its value from its issuing government rather than a physical good or commodity. The strength of the government that establishes the value of fiat currency is key in this type of money. Most countries around the world use the fiat currency system to purchase goods and services, invest, and save. Fiat currency replaced the gold standard and other commodity-based systems in establishing the value of legal tender.
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What Is Cryptojacking?

What Is Cryptojacking?
Cryptojacking is a malicious activity, in which an infected device is used to secretly mine for cryptocurrencies. In order to do so, the attacker makes use of the victims’ processing power and bandwidth (in most cases this is done without their awareness or consent).
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What Is Arbitrage Trading?

What Is Arbitrage Trading?
Arbitrage trading is a relatively low-risk trading strategy that takes advantage of price differences across markets. Most of the time, this involves buying and selling the same asset (like Bitcoin) on different exchanges. Since the price of Bitcoin should, in theory, be equal on Binance and on another exchange, any difference between the two is likely an arbitrage opportunity.
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