← The Polylog Crypto Intelligence Brief
Morning Edition · Tuesday, October 27, 2026Published at 1:37 AM EDT · New York
Vultisig confirms a patched flaw that let one compromised signer extract a full wallet key, as Ledger implant losses reach as much as $102 million
ChainSecurity disclosed that the multi-party wallet ignored a library's stop signal and kept signing. A hidden cellular implant in resold Ledger devices captured recovery phrases from the screen.
Vultisig is a multi-party computation (MPC) wallet. It splits signing authority across several key shares, so no single device holds the whole key. On October 21, the security firm ChainSecurity disclosed a historical flaw in the wallet's E…
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Part of a tracked trend
Hardware-Wallet Trust Erodes
Recurring firmware and entropy defects in self-custody hardware, now surfaced faster by AI-assisted code analysis, will keep pushing risk-averse holders toward custodial and ETF products rather than personal key management.
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