Như Bạn có th�?d�?đoán, cơ ch�?đồng thuận bằng chứng c�?phần cũng có những bất lợi. Chúng bao gồm: Ethereum's intelligent contracts are composed in substantial-stage programming languages after which compiled right down to EVM bytecode and deployed for the Ethereum blockchain. They can be written in Solidity (a language library https://rareaddress.org