Key facts: Smart contract risks
A security audit is an inspection of a specific version of code by an external security team at a particular point in time.
In 2016, The DAO was attacked through a reentrancy vulnerability. Ethereum later underwent a hard fork, while the original chain without the fork continued as Ethereum Classic (ETC).
Only put funds into DeFi that you can afford to lose, and if you have a large amount, it’s best to spread it across different protocols.
$ETH ’s Ethereum is one of the earliest public blockchains to support general-purpose smart contracts.