Google Cloud Plans Institutional Crypto Custody Service for Next Year's Launch

Google Cloud is developing a cryptocurrency custody service aimed at financial institutions, according to reporting from Finance Magnates, which cites CoinDesk. The product is in private preview. Google plans to make it commercially available in early 2027.

The service is called Google Multi-Party Compute, or MPC. It spreads transaction-signing authority across several separate systems. No single location holds a complete private key. Instead, participants cooperate to authorize a transaction without ever reconstructing the whole key in one place. According to the reports, the service combines transaction signing, policy controls and key recovery.

Crypto.news reports that, under Google's proposed architecture, institutions could distribute signing shares among their own equipment, Google Cloud and competing cloud providers. A bank could then require approval from, for example, two of three participants, or five of seven, before a transfer goes through. This kind of setup is meant to reduce the risk that one compromised credential or system leads to a loss of funds. The same outlet notes that compromised credentials remain a persistent source of cryptocurrency losses.

Several financial institutions and design partners are currently testing the service, according to CoinDesk's reporting as relayed by Finance Magnates. The companies involved have not been publicly identified. Alphabet, Google's parent company, is also using the technology to secure its own digital assets on Ethereum and Solana. Google has not disclosed which assets Alphabet holds this way or what they are worth.

Google's release notes show the service has been updated several times since August. On 1 October, the company added rules that evaluate Bitcoin transaction amounts, identify destination address types and detect change outputs. That update also added support for authorizing Bitcoin transactions through Google's policy engine. Policy engines of this kind let an institution set automated conditions that a transaction must meet before it can be signed. The documentation was updated again on Monday, ahead of Google's MPC Symposium in New York on Wednesday. Because the product is still in preview, support may be limited.

The project builds on earlier work. In 2023, Google published guidance on using its Confidential Space infrastructure to build systems for securing digital assets. Multi-party computation is a well-known approach in the industry, and the new service extends that line of work into a managed offering for institutions.

Google would be entering a market already served by specialized providers. Crypto.news names Fireblocks, Fordefi and BitGo among the established digital asset security companies in this space. Google's cloud infrastructure would put it closer to those firms, though it has not announced pricing, a launch date or full launch specifications. Those details will matter for how the product compares with existing options.

The announcement also touches on wider security questions. Crypto.news raises the issue of AI-related threats to future wallet security. It also points to private-key breaches as a recurring weakness in crypto infrastructure. Spreading signing authority across independent participants is one design response to that kind of risk. How well it works in practice will depend on how institutions configure approval thresholds and manage the participating systems.

For now, the story is about a preview, not a finished product. Google has not named its testing partners or confirmed what the commercial service will cost, and the early-2027 timeline is a target, not a firm commitment. The service's development shows how large technology companies are positioning their cloud infrastructure for institutional digital asset use. This article is for information only and is not financial, investment or tax advice.

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