Google tests institutional crypto security service

Google has placed its MultiParty Compute service for institutional digital-asset security in private preview, with major financial institutions testing it ahead of planned commercial availability in early 2027. The company says the service uses multiparty computation, or MPC, to distribute control of signing keys among separate environments rather than keeping a complete key in one place. The approach is intended to reduce the risk that a compromised machine or stolen credential could enable an unauthorized transfer. Google says the system checks transactions against rules set by each institution before signing. Those rules can govern transfer limits, destination wallets and approval requirements. Customers retain control of their key material, Google says, and the company cannot access it in unencrypted form, including when key shares are held on its infrastructure. The institutions testing the service have not been identified. Google has not disclosed pricing. Alphabet, Google's parent company, is also using the technology to secure some of its own digital assets on Ethereum and Solana, but has not specified which assets or their value. Google plans to make the service...