Google to preview crypto custody security system as AI threats grow
Google Multi-Party Compute is in private preview, with several major financial institutions testing the technology and parent company Alphabet using it to secure its own digital assets on Ethereum and Solana.
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- Google will unveil a security service that uses multi-party computation to help financial institutions safeguard and transfer cryptocurrencies and tokenized assets, with commercial availability planned for early 2027.
- The system distributes private-key fragments across separate environments and applies institutional rules before transactions are signed, reducing the risk that one compromised machine could expose assets.
- Google says the service can eventually support post-quantum cryptography, but its current protections focus on compromised credentials and unauthorized transactions amid billions of dollars in private-key-related thefts.

