What we talk about when we talk about blockchain security?
FMZ What we talk about when we talk about blockchain security? Decentralized, untamed, these nouns come out of everyone's mouth, as if the security of the blockchain is a self-evident truth. The blockchain seems to be regarded as a good medicine from the moment of birth. However, the reality is cruel. Whether it is Bitcoin or Ethereum, hackers are everywhere, and news of stolen digital currency is frequently reported. The security of the blockchain system does not depend solely on the blockchain algorithm itself, from code implementation to contract logic to supporting facilities. When the blockchain technology emerges from the white paper and becomes a technology in reality, there are far more problems. According to the barrel theory, how much water a barrel can hold does not depend on the longest piece of wood, but on the shortest piece of wood. password! password! In the world of blockchains, each person's identity is just a string of numbers, called private key i