Google Cloud has detailed its preview Multi-party Compute (MPC) service for institutional Bitcoin custody ahead of its MPC Symposium in New York on Wednesday. The service lets financial institutions jointly authorize and sign crypto transactions without any single party controlling the full private key. The product remains in preview, meaning Google provides it as is with potentially limited support. Speakers at the symposium include representatives from institutions including Morgan Stanley, OKX, Citi and Wells Fargo. On Oct. 1, Google expanded its Bitcoin security rules to evaluate transaction amounts, identify destination address types and detect change outputs.
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