TSSHOCK: Breaking MPC Wallets and Digital Custodians for $BILLION$ Profit

Would you like to hear how an attacker can steal BILLIONS of dollars worth of cryptocurrency from MPC digital custodian vaults and wallets by exploiting our new 0-day attacks?

At the core of modern Multi-Party Computation (MPC) wallets and digital asset custody solutions of major blockchains is a cryptographic protocol named Threshold Signature Scheme (TSS). Today, many institutions, including banks, exchanges, and wallets, rely on TSS to enable a group of parties to authorize transactions by generating signatures without having …

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