Blockstream, led by co-founder and CEO Adam Back, has launched an enterprise Bitcoin custody solution developed with the French technology and cybersecurity group Thales. The system combines Thales hardware security modules with Blockstream’s Secure Multi-Party Computation and the FROST threshold signing protocol, keeping transaction signing inside a protected environment without ever reconstructing the private key. The approach is intended to reduce risks from AI-assisted attacks following the theft of $6.3 billion from Binance. Blockstream says stronger custody infrastructure could facilitate Bitcoin adoption by banks, asset managers and other institutions, even as Bitcoin trades below $70,000.
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