From 2020 to now, two types of assets grew significantly, DeFi assets and Staking assets. DeFi applications are designed to serve the different kinds of demands coming from the growing crypto assets, such as lending, mining, leverage, emerge accordingly. The growth of staking assets is after the launch of ETH2.0, and derivatives of Staked assets start to be more popular. In addition to these two types of assets, there are also some mining vouchers and dividend vouchers, which are all IBTs. Here are the main categories of IBTs and their representatives.