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.

In 2008, the financial crisis shook the global economy. Now ten years later, people are wondering how the rules have changed, and more importantly, how this type of economic crisis can be avoided in the future.

The Internet is a constantly evolving technology that continues to innovate. So far, we’ve experienced Web 1.0 and 2.0, and there’s much discussion of what to expect from Web 3.0. Web 1.0 provided a static experience for users without the ability to create the content-rich sites we have today. Web 2.0 brought us together with social media and dynamic websites, but at the cost of centralization.

Ransomware is a type of malware (malicious software) that may present itself in a few different ways, affecting individual systems as well as networks of businesses, hospitals, airports, and government agencies.

Proof of Stake is a popular, alternative consensus mechanism to Proof of Work. Instead of needing computing power to validate transactions, validators must stake coins. This fact drastically reduces the energy consumption needed. Proof of Stake also improves decentralization, security, and scalability.

Proof of Work (commonly abbreviated to PoW) is a mechanism for preventing double-spends. Most major cryptocurrencies use this as their consensus algorithm. That’s just what we call a method for securing the cryptocurrency’s ledger.

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.