When your BTC goes poof in the night! Random secret generator firmware mis-config resulted in wallets defaulting to seeding keys from the chip's serial number and clock registers in Coldcard hardware based wallets. ~594 bitcoin, worth about $38 million, was extracted out of around 500 separate wallets between 01:31 and 01:56 UTC. https://www.coindesk.com/tech/2026/07/31/major-bitcoin-wallet-flaw-drains-594-btc-in-25-minute-sweep #Crypto #CryptoHeist #CryptoWallet #CryptoCrime #BTC #BitCoin #BlockChain #ColdCard #Hack #WalletKeys #KeySeeding