You get the idea that Bruce Schneier does not like cryptocurrencies

There have been a number of attacks on decentralized finance (DeFi) systems recently – and here is another. A hacker abused the smart contract system at Beanstalk Farms, a decentralized finance (DeFi) project  and sent themselves $182 million.

Clever Cryptocurrency Theft – Schneier on Security

Beanstalk cryptocurrency project robbed after hacker votes to send themself $182 million – The Verge

Smart contracts use blockchain technology to maintain security but this hack is an abuse of the software that is used to put the smart contracts into the secure blockchain.

Further Reading

What can a hacker do? Swap your BTC address for theirs, when you copy and paste! – Smart Thinking Solutions