NewsSignals AI analysis·Cointelegraph·Nov 2, 2026

Trezor lifts password ceiling after Coldcard’s $100M wallet thefts

Grade Abullish AI signal$BTC

Trezor expands its optional hardware-wallet passphrase limit from 50 to 128 characters following Coldcard-related wallet thefts linked to a firmware randomness flaw. The update is available through Trezor Suite with updated device firmware, while older firmware retains the 50-character limit; Trezor also recently warned customers about a suspected compromised device sold through former reseller CryptoBilis. Stronger passphrases could improve protection against recovery-phrase theft and increase attention on hardware-wallet security across the crypto industry.

Bullish strength: 55/100

Trezor increases maximum optional passphrase length from 50 to 128 characters.
Strong, unique passphrases protected some users affected by the Coldcard firmware flaw.
The update strengthens an additional security layer for wallet funds.

Bearish strength: 45/100

Coldcard-related firmware vulnerabilities enabled attackers to reconstruct recovery phrases.
A suspected implanted device could capture and transmit Trezor recovery phrases.
Trezor advised certain customers to move funds to new wallets.
Hardware-wallet security concerns could undermine confidence in self-custody.

This is automated NewsSignals analysis of third-party reporting, not independent original reporting or investment advice. AI scores are not price predictions.

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