nostrnaut on Nostr: new COLDCARD firmware is available: 5.6.1 for Mk4/Mk5 and 1.5.1Q for Q. following ...
new COLDCARD firmware is available: 5.6.1 for Mk4/Mk5 and 1.5.1Q for Q.
following this update, every newly generated seed now requires one source of user entropy:
- at least 65 key presses with unpredictable timing,
- 50 physical dice rolls, or
- 128 physical coin flips.
this input is combined with fresh entropy from the STM32 TRNG, SE1, and SE2
Published at
2026-08-20 15:32:05 UTCEvent JSON
{
"id": "4fd4584bded98f68468b253ffe325f1eb475c480dc4992b15ff5eadd93536d64",
"pubkey": "2f02d76f09666ae076e65beb60ff195eb7f44b51c73147a6a37748bfabd60a7c",
"created_at": 1787239925,
"kind": 1,
"tags": [
[
"client",
"Primal iOS"
]
],
"content": "new COLDCARD firmware is available: 5.6.1 for Mk4/Mk5 and 1.5.1Q for Q.\n\nfollowing this update, every newly generated seed now requires one source of user entropy:\n\n- at least 65 key presses with unpredictable timing,\n- 50 physical dice rolls, or\n- 128 physical coin flips.\n\nthis input is combined with fresh entropy from the STM32 TRNG, SE1, and SE2",
"sig": "f170474be54b93a5c9b203f9f56203ab5e3422d50985bc8369eda8cdb4be7458614e513b584d849949ee1b4466abac0d3f3d085233bc8dfe605e2b8ae3707997"
}
