"Nearly all threshold ECDSA based TSS implementations are vulnerable to key extraction attacks despite having undergone multiple security audits."
TL,DR: Most MPC implementations appear to be vulnerable. Bitcoin users unaffected.
https://www.nobsbitcoin.com/verichains-discovers-critical-key-extraction-attacks-in-popular-threshold-signature-scheme-for-mpc-wallets-and-digital-asset-custody/
arbedout
npub15e…ayswk
2023-03-30 13:19:22
Author Public Key
npub15elf37hn9ujjptjhfkzzvff5u7u5vfwwp48pffgvjl3k9srtwu8qcayswkPublished at
2023-03-30 13:19:22Event JSON
{
"id": "7ff507cae7f2032f12295ab346060f48442fc352017a7b04ef9ebf587369621a",
"pubkey": "a67e98faf32f2520ae574d84262534e7b94625ce0d4e14a50c97e362c06b770e",
"created_at": 1680182362,
"kind": 1,
"tags": [],
"content": "\"Nearly all threshold ECDSA based TSS implementations are vulnerable to key extraction attacks despite having undergone multiple security audits.\"\n\nTL,DR: Most MPC implementations appear to be vulnerable. Bitcoin users unaffected.\n\nhttps://www.nobsbitcoin.com/verichains-discovers-critical-key-extraction-attacks-in-popular-threshold-signature-scheme-for-mpc-wallets-and-digital-asset-custody/",
"sig": "e9405bc7ddee79102f4b2c4d9e19f973cf3cef8553a2a1274c55da09b9ec4615aa627d0632ed77adfe247f7cb08817b7e62752e264c6c10bf7e9dcc9cd99c2ef"
}