Blockstream has teamed up with France’s Thales to bring hardware and offline signing to institutional custody.

According to a Cointelegraph report cited by PANews, the solution combines Thales hardware security modules (HSMs) with Blockstream’s secure multiparty computation (Secure-MPC), keeping sensitive cryptographic operations inside dedicated secure hardware when institutions authorize transactions.

· CEO Adam Back said traditional MPC is too complex and interactive to be practical for fully offline cold storage.
· He cited Binance’s $6.3 billion hack, arguing that keeping signing devices offline can prevent unauthorized access.

For institutional cold storage, which matters more to you: hardware isolation or an offline signing workflow?

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