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Turn retired Coldcards into open source SecretKeeper with custom firmware & NFC
1795 sats \ 2 comments \ @anon 5 Aug bitcoin
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The False Promise of Commercial Hardware Wallets
446 sats \ 8 comments \ @hasherstacker 31 Jul bitcoin bitcoin_beginners bitdevs BooksAndArticles bitcoinplusplus
Tails+Electrum as an alternative to a HWW as part of a 2-of-3 multisig?
6027 sats \ 41 comments \ @tokyo_vyse 4 Aug bitcoin
🔥Unleash 🔥 the power of your Seedsigner with smartcards
11.1k sats \ 1 comment \ @Satochip_ 4 Sep 2025 bitcoin
A few good wallet choices [FOR BEGINNERS]
552 sats \ 10 comments \ @Leonard 13 Sep 2024 bitcoin_beginners
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24.8k sats \ 65 comments \ @Natalia 11 Jun 2024 bitcoin
Coldcard: why are the vulnerable firmwares still downloadable?x.com/blockdyor/status/2084756541635182834
248 sats \ 1 comment \ @blockdyor 5 Aug bitcoin
Advice for stackers following the Coldcard incident
326 sats \ 2 comments \ @mkmloom 6 Aug bitcoin AskSN bitcoin_beginners bitcoinplusplus
Adding to the Public Record on Our Ongoing Investigation - Coldcardx.com/COLDCARDwallet/status/2084731768632991801
2477 sats \ 8 comments \ @Scoresby 4 Aug bitcoin
COLDCARD Release: Versions 5.5.1 (Mk4/Mk5) and 1.4.1Q (Q)xcancel.com/COLDCARDwallet/status/2072674581098447310
1939 sats \ 5 comments \ @hasherstacker 4 Jul bitcoin bitcoin_beginners bitdevs
Red teaming bitcoin projects
1471 sats \ 3 comments \ @Scoresby 4 Aug AI bitcoin bitdevs
Coldcard Mk2, Mk3, Mk4, Mk5, and Q Firmware Security Vulnerabilityengineering.block.xyz/blog/predictable-rng-fallback-and-32-bit-reseed-in-coldcard-firmware
11.4k sats \ 23 comments \ @k00b 31 Jul security bitcoin bitdevs
COLDCARD, CLN disclosures, zk proof of reserves - Bitcoin Optech Newsletter #416bitcoinops.org/en/newsletters/2026/07/31/
11.3k sats \ 2 comments \ @schmidty 31 Jul bitcoin
Will Coldcard hacker be caught by 2026? - Predyxbeta.predyx.com/market/will-coldcard-hacker-be-caught-by-2026-1785694335?ref=33708ff14a5ad63c&shareOg=eb0dfac2-7127-467f-b5b8-9d5e60924f34&shareKind=market
3612 sats \ 3 comments \ @hyperfree 2 Aug bitcoin
Coldcard issues "extremely important correction"x.com/COLDCARDwallet/status/2085541034243600805
382 sats \ 12 comments \ @Scoresby 10h lol bitcoin
COLDCARD Firmware Update: BIP-322 Signing, WIF Imports, and More!xcancel.com/i/status/2029684130938531965
491 sats \ 2 comments \ @hasherstacker 6 Mar bitcoin
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2532 sats \ 36 comments \ @kepford 3 Aug bitcoin
What are the best hardware wallets to replace a coldcard
481 sats \ 1 comment \ @HardMoney 31 Jul bitcoin
Coldcard RNG Vulnerability Analysis by Device & Firmwareitsrealfake.github.io/2026/07/31/coldcard-rng-vulnerability-analysis.html
1553 sats \ 11 comments \ @itsrealfake 31 Jul security bitcoin_beginners
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15.4k sats \ 41 comments \ @raw_avocado 3 Aug bitcoin
Lopp: Reports of coldcard firmware updates bricking devicesx.com/lopp/status/2083958797354127631
2192 sats \ 12 comments \ @Lobotomite 2 Aug bitcoin