There are plenty of Defi protocols that have not been hacked with many billions locked in them. Among them are Uniswap, Compound, Aave, and Synthetix. And in th

There are plenty of Defi protocols that have not been hacked with many billions locked in them. Among them are Uniswap, Compound, Aave, and Synthetix. And in the traditional finance world plenty of mistakes have been made, like when Knight Capital accidentally ran their unit test algos in production and lost $500mil https://en.m.wikipedia.org/wiki/Knight_Capital_Group https://en.m.wikipedia.org/wiki/Knight_Capital_Group