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Nov 2, 2026

Trezor raises wallet passphrase limit to 128 characters

Hardware wallet maker Trezor increased its maximum passphrase length from 50 to 128 characters, citing July's Coldcard attacks where strong passphrases helped protect users whose recovery information was compromised.

Nov 2, 2026·2 sources
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Top claims

  • ▪Trezor increased the maximum passphrase length on supported hardware wallets to 128 characters in its Trezor Suite update
  • ▪Trezor's core firmware 2.13.0 changelog dated October 21, 2026 lists Trezor's passphrase limit as 128 bytes, which rolled out in Suite desktop version 26.10.3 and mobile version 26.10.2
  • ▪Using a 128-character passphrase on a Trezor device requires both the latest Trezor Suite app and updated device firmware, while older Trezor firmware retains a 50-character limit

Topics

Crypto securityHardware wallet securitySelf-custodyExplaining the Critical Coldcard RNG VulnerabilityColdCard's $100M Random Number Generation HackBitcoinCrypto hacksHardware wallet

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