Google is previewing Google Multi-Party Compute, an MPC-based crypto custody security system for banks and financial institutions.

Google is previewing Google Multi-Party Compute, an MPC-based crypto custody security system for banks and financial institutions.

It is in private preview, with several major financial institutions testing it, according to CoinDesk reporting today, Oct. 28, 2026. Parent company Alphabet is using it to secure its own digital assets on Ethereum and Solana. CoinDesk

The pitch is protection against rising private-key theft and AI-driven attacks, by splitting key control across parties so no single key or machine can be stolen to move funds.

The viral post framing it as breaking today came from @cryptorover, calling it "MASSIVE" for banks storing and transferring crypto. That post claims no additional technical detail beyond custody and transfer.