Bitcoin Magazine Casa CEO Nick Neuman: 233k BTC Moved To Safety After Coldcard Exploit Proves Self-Custody Resilience Casa customer data indicates part of the 233k BTC flow came from single-key Ledger and Trezor users shifting to multisig and from multisig users removing Coldcard devices after the July 30 attack waves. This post Casa CEO Nick Neuman: 233k BTC Moved To Safety After Coldcard Exploit
Crypto Bitcoin Magazine Aug 11, 2026
