Google MPC Could Reshape Crypto Custody: Fireblocks Security Flaw Draws Attention

Google is preparing to expand its crypto security operations with a new Multi-Party Computation (MPC) service targeting institutional digital asset custody. The move comes as a fresh vulnerability in Fireblocks’ MPC library highlights the risks buried inside crypto key-management systems. Google MPC is reportedly in private preview, with major financial institutions testing the service. The technology is also being used to secure digital assets on Ethereum and Solana, with commercial availability expected in early 2027. The timing puts institutional crypto security under renewed scrutiny. On October 26, CERT/CC disclosed a vulnerability in Fireblocks’ MPC library that could weaken protections separating cryptographic key shares.

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