Security
Trezor Raises Passphrase Limit to 128 Characters After Coldcard Wallet Thefts
Trezor increased its optional passphrase limit from 50 to 128 characters, citing lessons from July’s Coldcard attacks and demand for stronger passphrase options. Coldcard’s firmware flaw generated backups with insufficient randomness, allowing attackers to reconstruct affected wallets offline, while strong unique passphrases protected some users…
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