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Google Cloud has put Google Multi-Party Compute, a cryptocurrency custody product for financial institutions, into private preview, with commercial availability targeted for early 2027. The system is intended to help institutions secure and move cryptocurrencies and tokenised assets without keeping a complete private key in one place.
Signing splits key control
Google's documentation describes MPC as a key-management service in which separate parties approve blockchain transactions together. The product brings transaction authorisation, policy controls and key recovery into one service. As it remains in preview, the range of supported functions may be limited.
For infrastructure teams, the model makes signing workflow and key recovery central implementation questions. The documentation does not specify which assets or integrations the preview supports, so operators will need to establish whether it fits their custody and transaction-control requirements.
Other firms build institutional services
Several firms are working on digital-asset services for institutions. Virtu Financial has joined the liquidity network of BitGo Prime, while Spotex linked its trading venue with BitGo's custody and settlement infrastructure. JPMorgan has planned to let institutional clients borrow against Bitcoin and Ether held with a third-party custodian. Ripple partnered with South Africa's Absa Bank on custody technology.
Google's work follows its 2023 guidance on building digital-asset security systems with Confidential Space. CoinDesk reported that financial institutions are testing the service. Alphabet is also using the technology to secure digital assets on Ethereum and Solana, though Google has not identified those assets or given their value. The preview and early-2027 commercial target were first reported by Finance Magnates.
Bitcoin policy checks gain detail
Google's release notes record several changes since August. On 1 October, the company added policy-engine authorisation for Bitcoin transactions, along with checks to assess transaction amounts, classify destination address types and detect change outputs.
The documentation was updated on Monday before Google's MPC Symposium in New York on Wednesday. The event covers the company's MPC research and technology, with representatives from Morgan Stanley, OKX, Citi and Wells Fargo among the speakers.
What to watch next
Operators assessing the preview should establish which assets and transaction types it supports, how policy checks connect to existing approval workflows, and what recovery procedures are available. Google has not detailed the scope of support, so those points remain to be confirmed.
Pricing and a specific launch date have not been announced. Before planning a migration or integration, teams will need to ask Google how the service handles their signing requirements and what operational costs apply once commercial availability begins in early 2027.
