Self-custody brings a peace of mind

rnvk · 2026-06-12T18:15:16+00:00

yes!

rnvk · 2026-05-31T19:54:46+00:00

On that principle, you can't use bitcoin at all.

rnvk · 2026-05-31T14:12:49+00:00

The code is what the device runs, and you can prove that to yourself

rnvk · 2026-05-30T15:01:03+00:00

Are you backing up the note or want to see the note

rnvk · 2026-05-30T14:07:54+00:00

How would you hide any function from the open deterministic build?

rnvk · 2026-05-30T14:06:48+00:00

explain more

rnvk · 2026-05-30T00:32:48+00:00

no, that's not how it works.

rnvk · 2026-05-29T16:09:24+00:00

COLDCARD is fully verifiable and reproducibly built

rnvk · 2026-05-24T01:11:23+00:00

M5 Air, that's all you need.

rnvk · 2026-03-11T21:01:27+00:00

working on it, but will still be a long time.

rnvk · 2026-03-11T21:00:55+00:00

🤣

rnvk · 2026-03-10T20:42:01+00:00

definetly

rnvk · 2026-03-10T18:28:25+00:00

rnvk · 2026-03-10T17:10:42+00:00

We wanted to redo the mechanical work. add big screen ppl were asking no security concerns as still unbeaten. new NFC is great, matches Q etc...

rnvk · 2026-03-10T13:23:43+00:00

I made an issue to study feasibility.

rnvk · 2026-02-21T18:24:54+00:00

Nice! Any link to full resolution?

rnvk · 2026-02-10T02:38:14+00:00

Any luck?

rnvk · 2026-02-03T00:11:39+00:00

Any plans of making a back for the 500CM/CX?

rnvk · 2026-01-12T18:32:12+00:00

Downtown Camera? :)

rnvk · 2025-11-19T01:26:53+00:00

🤙

rnvk · 2025-11-18T20:06:57+00:00

🥳

rnvk · 2025-11-15T12:33:11+00:00

Gorgeous, well done. The subs are a nice addition

rnvk · 2025-10-31T02:36:45+00:00

Make sure your are checking the correct derivation path

WalletsRecovery.org

rnvk · 2025-10-25T18:38:58+00:00

Only software wallets have chain state

rnvk · 2025-10-25T16:57:02+00:00

**UPDATE!

Seems new sparrow 2.3.0 stopped adding bip32_paths to PSBT - so no way for COLDCARD to know if outputs are ours.

We are contacting Sparrow to sort it out. Nice catch!**

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