CertiK(@CertiK):How far can a BootROM exploit take you on a Crypto phone? All the way to the wallet signing key. At #DEFCON34, CertiK researcher Guanxing Wen (@hhj4ck) demonstrated the full chain: BootROM → root → offline PIN recovery → wallet signing key. Short version ↓

CertiK

@CertiK

The largest crypto security provider. Smart contract audits, on-chain monitoring, penetration testing & more. ➕ @CertiKCommunity 🚨 @CertiKAlert

Joined May 2018

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CertiK@CertiK

2026.08.10 18:39

How far can a BootROM exploit take you on a Crypto phone? All the way to the wallet signing key. At #DEFCON34#, CertiK researcher Guanxing Wen (@hhj4ck) demonstrated the full chain: BootROM → root → offline PIN recovery → wallet signing key. Short version ↓