Trezor ERC-7730 Signing Enhances Hardware Wallet Security

Trezor has switched on a long-awaited layer of transaction security, rolling out Trezor ERC-7730 signing across its Safe hardware wallet lineup and the Model T device. The move, confirmed jointly by Trezor and the Ethereum Foundation on September 8, replaces the wall of unreadable hexadecimal data that hardware wallet owners have stared at for years with something far more useful: a plain-language description of what a transaction actually does before you approve it.

Key takeaways

• Trezor has enabled the ERC-7730 standard for clear signing on its Safe wallets and the Model T, confirmed alongside the Ethereum Foundation.
• ERC-7730 decodes smart contract calls into readable actions, token amounts, and destination addresses instead of raw calldata hashes.
• Blind signing has been tied to some of crypto’s costliest thefts, including the $1.5 billion Bybit hack.
• The feature works automatically through Trezor Suite, WalletConnect, and Trezor Connect, with no manual setup required.
• Launch support covers 1inch, Aave, Lido, Tether, LiFi, and Hyperliquid, with the Trezor Safe 7, Safe 5, Safe 3, and Model T compatible — the Model One is not.

Trezor activates ERC-7730 clear signing on Safe wallets

Trezor’s adoption of ERC-7730 means its hardware wallets can now decode smart contract transactions and show users exactly what they’re signing, rather than an unreadable string of code. The announcement, made jointly with the Ethereum Foundation, extends a security initiative the Foundation first set in motion in May to a new set of hardware devices.