Coldcard Mk3 Security Advisory

Cyph3rp9nk

npub1lnms53w04qt742qnhxag5d6awy7nz6055flnmjkr6jg39hm86dlq7arrnt

hex

85bce018fcc52e81cd9fd126f933a097a9cc3b89e702e9579e7c9cda95842ccf

nevent

nevent1qqsgt08qrr7v2t5pek0azfhexwsf02wv8wy7wqhf2708e8x6jkzzencprpmhxue69uhhyetvv9ujuem4d36kwatvw5hx6mm9qgs0eac2gh86s9l24qfmnw52xawhz0f3d862yleaetpafygjmanaxls4q4ccu

Kind-1 (TextNote)

2026-07-31T04:58:31Z

Coldcard Mk3 Security Advisory

https://blog.coinkite.com/coldcard-mk3-seed-generation-warning/

Raw JSON

{
  "kind": 1,
  "id": "85bce018fcc52e81cd9fd126f933a097a9cc3b89e702e9579e7c9cda95842ccf",
  "pubkey": "fcf70a45cfa817eaa813b9ba8a375d713d3169f4a27f3dcac3d49112df67d37e",
  "created_at": 1785473911,
  "tags": [],
  "content": "Coldcard Mk3 Security Advisory\n\nhttps://blog.coinkite.com/coldcard-mk3-seed-generation-warning/",
  "sig": "ae1658f414bb3dfe726ff61fa59ae30ed5ae1bf3270847232dab413e8fe73ca9980d758e9493bfaa450ca78d073c1d24ac7f30d64ce721b75d921732e58fe6f3"
}