New risks discovered in multi-party computation (MPC) wallets and digital asset custody, Verichains reports. Leading blockchain security solutions provider Verichains announced the discovery of a critical attack possibility in the popular Threshold Signature Scheme (TSS), the function in a blockchain that enables a group of parties to collectively issue a transaction signature without exposing the secret signing key. TSS is a multi-party control (MPC) protocol that is common in...
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