EzeArg⚡️🧉 🔑 @BitcoinArg_
La primer escasez digital BITCOIN 🔥 🇦🇷 21M ₿ Joined December 2023-
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Una masterclass...
The accelerating pace of vulnerability discovery should be a wake up call for all software developers! The threat landscape has changed. If you wish to retain a strong defensive posture then you MUST adopt the same LLM tooling that attackers are using to find vunerabilities.
WEN MINISCRIPT? NOW MINISCRIPT. @lianabitcoin @foundationhq mempool.space/signet/tx/6701…
If you’ve been affected by the @COLDCARDwallet issue and need help moving your funds to a secure wallet, please reach out. My DMs are open. I’m not going anywhere, and I’ll continue helping as many people as I can.
Tails 7.10.1 is out: tails.net/news/version_7…
I am considering setting up a bunch of coldcard wallets with bitcoin inside to see what attackers are stealing. I would test different variations: - Mk3 with no passphrase - Mk3 with 1 word / 2 word passphrase / 3 word passphrase - Mk4 with no passphrase - Mk4 with 1 word / 2 word passphrase / 3 word passphrase I would document the process on a video and share info publicly so we can all track this. I need to put bitcoin on the line. Would anyone consider donating to fund these addresses? Obviously, this involves trusting me not to just steal the coins myself.
We are now mapping the ongoing Coldcard attack with a live dashboard - link below I am deploying tripwire UTXOs that have varying levels of added entropy on top of the broken default seeds. We have different levels for 5, 10, 15, ... dice rolls, and 1, 2, 3, ... passphrase words. This is so we can approximate the frontier of the confiscations that are actively happening. The control UTXO with no added entropy was swept in an hour. I took real measurements on an MK3 to calibrate a "good bad entropy" emulator in software. The control confiscation has proven it to work. I am going to continue to deploy tripwire UTXOs along the bit curve. Huge thanks to @Rob1Ham @otaliptus @PortlandHODL and other redteamers for the help.
Simular en modo prueba, validar el fingerprint tras meter la passphrase y diversificar fabricantes de hww. El multisig no sirve de nada si todas tus llaves dependen del mismo firmware...
Fascinante ver cómo la comunidad convirtió la crisis de #coldcard en aprendizaje. De cada crisis sale una comunidad más fuerte. Brutal ver a tantos usuarios mejorando su setup estos días; generando entropía manual, usando passphrases y validando todo por sí mismos.
Confirmed #COLDCARD bricked 💀 A rushed firmware hotfix introduced a critical failure: a transient STM32 TRNG error could permanently fault the RNG. Since it’s used before the PIN screen, affected devices to become effectively bricked. github.com/Coldcard/firmw…
Entropy is your friend.
Incredible video explaining the Bitcoin wallet hack
Qué locura y qué ironía. La famosa Passphrase, tan criticada por muchos que decían que "complicaba las cosas" o que "provocaba errores humanos", hoy terminó salvándole la vida y los #Bitcoin a miles de personas con la crisis de Coldcard.
Increíble la suerte de un amigo con la falla de Coldcard. Tenía una passphrase de 5 palabras y eso evitó que los bots le barrieran los fondos de su modelo Q. Por miedo a actualizar el firmware, prefirió importar a Sparrow y mover todo a una wallet nueva. 🔐 Passphrase 🔐
Qué peso me quité de encima. Si los bots le hubieran barrido los fondos por la falla del firmware, el culpable a sus ojos habría sido yo. La autocustodia es responsabilidad individual.
Confirmado: #COLDCARD brickeado Una corrección apresurada del firmware introdujo una falla crítica: un error transitorio en el TRNG de STM32 podría averiar permanentemente el RNG. Dado que se usa antes de la pantalla del PIN, los dispositivos afectados quedan brickeados. 💀💀
Confirmed #COLDCARD bricked 💀 A rushed firmware hotfix introduced a critical failure: a transient STM32 TRNG error could permanently fault the RNG. Since it’s used before the PIN screen, affected devices to become effectively bricked. github.com/Coldcard/firmw…
ACTUALIZACIÓN DE CORRECCIÓN RÁPIDA DEL FIRMWARE DE #COLDCARD PUEDE INUTILIZAR DISPOSITIVOS Se ha identificado un nuevo error en la corrección rápida de emergencia del firmware de COLDCARD.
COLDCARD FIRMWARE HOTFIX UPDATE CAN BRICK DEVICES A new bug has been identified in COLDCARD’s emergency firmware hotfix. While the update fixes the original entropy vulnerability, researchers say a temporary hardware RNG error can leave the device stuck on a fatal error screen
Create & Verify Your Bitcoin Seed Phrase Using Dice + Coldcard + SeedSigner [Repost] youtube.com/watch?v=qxOhCv…
@PabloSabbatella El robo es bajo porque Coldcard no es para el público masivo. En Argentina y el mundo, el principiante compra Ledger o Trezor por facilidad y disponibilidad local. El usuario de Coldcard es un paranoico que busca otro nivel y entiende los riesgos.
Ninguna marca de hardware wallet es infalible; delegarles toda la confianza es un riesgo. Lo lindo de #Bitcoin es que te da las herramientas para no depender de ellos. Dados para generar entropía pura y Passphrase como escudo externo. Menos confianza ciega, más matemática ✨
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