Compound is a crypto lending protocol governed by holders who delegate their COMP tokens, a setup known as a decentralized autonomous organization, or DAO. It works like an online republic, with token holders debating proposals, voting, and letting software carry out the result.

In July 2024, that republic nearly sent a fortune to a small group of voters. Proposal 289 asked Compound to transfer 499,000 COMP, then worth about $24 million, into a yield-bearing vehicle they controlled. Two earlier versions had failed, and the third seemed headed the same way.

Then, during the final 34 minutes, supporting addresses cast 563,591 votes, equal to 82% of all support for the proposal. The last big block landed eight minutes before the deadline,…