<i>This year, $2.2 billion in cryptocurrency has been stolen from DeFi projects</i><p><i>Many of the thefts have stemmed from flaws in the computer programs — known as “smart contracts” — that power DeFi.</i><p><i>The technology is “highly complicated, and complexity is the enemy of security,” said Steve Walbroehl, a founder of the crypto security firm Halborn.</i><p>Note that blockchain is just accounting and mostly irrelevant to the scams and hacks that are proliferating in all directions.