June 17, 2016 - The DAO Hack: $50 million or 12.7M ETH

Cordalo simplify writing Corda applications.

In 2016 the Decentralized Autonomous Organization (The DAO) was created to operate like a venture capital fund for decentralized cryptocurrency projects. The DAO was built as a smart contract on the Ethereum blockchain and ran a crowdfuding campaign that attracted approximately $150M worth of Ether.

Someone exploited this very loophole in the DAO code (return Ether multiple times before it updated its internal balance) and siphoned away one-third of the DAO’s funds. see here and here