Courses

Start with the analysis of the decentralized exchange, then explain the code of Uniswap, and finally lead you to complete a Wtfswap contract design.

Solidity is a programming language used to write Ethereum virtual machine (EVM) smart contracts. I think mastering Solidity is a necessary skill to participate in on-chain projects: most of the blockchain projects are open source. If you can read the code, you can avoid many money-making projects.