SecondFi was hit by three separate attacks exploiting a flaw in its wallet generation software. A further 129 million ADA was secured by the team before attackers could reach it.

A security flaw in SecondFi's wallet generation software led to the theft of 16 million ADA worth $2.4M from 178 users, prompting emergency maintenance

SecondFi wallet exploit exposes private keys of Cardano users, with SlowMist estimating losses could exceed $20M and 129 million ADA across 178 compromised