Ledger researchers find flaw in chip used by Trezor Safe 7; Trezor says user funds safe

Ledger's Donjon security research team has disclosed a hardware vulnerability in the TROPIC01 chip used inside the Trezor Safe 7, demonstrating a lab-based laser attack that bypassed the chip's firmware verification system — though Trezor says no user funds are at risk.

The attack, disclosed by both Ledger and chip maker Tropic Square, required decapsulating the chip and using a precisely…