In 2015, the Ethereum blockchain saw the arrival of a new standard called ERC-20, allowing anyone to create their own tokens (cryptocurrencies) in the network. A few years later, in 2018, the ERC-721 standard was introduced for NFTs, which prove ownership over something. These standards have given birth to the DeFi, or decentralized finance, phenomenon. Exchange, purchase, sale, and other operations in digital assets happen entirely in blockchain's smart contracts. When trading on centralized venues, you temporarily…