Samson Mow says the Anti-Exfil protocol, first implemented in production by Blockstream, is designed to stop hardware wallets from leaking private keys or seeds

Samson Mow says the Anti-Exfil protocol, first implemented in production by Blockstream, is designed to stop hardware wallets from leaking private keys or seeds through signature nonces. The focus comes amid broader wallet security concerns after attacks tied to COLDCARD.