Google Multi-Party Compute allows financial institutions to set threshold signing requirements, such as requiring two-of-three or five-of-seven key share holders to authorize a transaction.

From the articleGoogle to preview a new crypto security system as private-key hacks mountAlso in Google pitches banks crypto custody that splits keys, eyes 2027 launch - Cryptopolitan, Google to launch secure multi-party computing service for crypto wallets - SiliconANGLE, Google Previews Key-Splitting Crypto Custody Tool For Banks, Google Pitches Banks on Splitting Crypto Keys Across Clouds With New Custody Service - Unchained