Project Real application of blockchain is already happening.

Bitcoin is the first cryptocurrency to be created as the next generation of electronic cash system. By learning about Bitcoin, the source of all cryptocurrencies, you will gain a better understanding of mining, consensus algorithms, timestamps, and more. Along the way, you will also gain a better understanding of blockchain.

MakerDAO is DeFi's flagship project.Deepen your understanding of DeFi by learning about DAI, a stablecoin with little price fluctuation, and MKR, the governance token that supports MakerDAO.

Kyber Network is the on-chain liquidity protocol that underpins the DeFi ecosystem; deepen your understanding of DeFi by learning about liquidity and the differences between on-chain and off-chain to facilitate transactions in DeFi.

Brave is a web browser that uses blockchain. It speeds up the loading of web pages by blocking tracking tags, etc. by default. Let's deepen our understanding of the next generation of web browsers using BAT, which can be earned by viewing ads.