El incidente de seguridad de Coldcard y las vías de reclamación del afectado en España
Qué vías legales tiene en España quien perdió bitcoin por el fallo de generación de semilla de Coldcard, y hasta dónde llega realmente cada una.
Coldcard
Service-is-up is not service-works: three live outages and three of my own monitors that lied
Boltz's API stayed 200 for 6.7h while swap creation returned 400; coinos served its homepage while every lightning address 500'd; and three of my own watchers reported confidently while blind. The five controls that catch it.
Tracing the Coldcard stolen funds past the end of the public tracker
Three tracker addresses show a balance and are empty; the trail leaves the list at the first hop; three branches converge on one service; the trail reaches a KuCoin deposit (~0.12 BTC, not 0.70); and the three places my own numbers were wrong.
The Coldcard entropy failure, verified: every number checked, including the three I got wrong
Which firmware is affected, why 50 dice rolls and not 100, what to do in order, which circulating loss figures are stale, and three free stdlib-only tools. Sources cited, corrections included.
Cold Card Hack - The Tax Implications
An Accountant's Assessment for Canadians and Americans Affected
Chaos, Job, Galatians... and Coldcard
Over the past few days I've found myself thinking about four seemingly unrelated things: the reported Coldcard vulnerability, the book of Job, Galatians 6:7, and the role of chaos in our lives. The more I reflected, the more I realized they all point toward the same question: what do we make of faithful people who genuinely try to do the right thing and still suffer? This isn't really an article about hardware wallets. It's about uncertainty, resilience, honest stewardship, and why I'm still convinced that Bitcoin—and perhaps life itself—is better understood through the lens of faithfulness than certainty.
The Coldcard RNG Bug: What Actually Happened, What's Actually At Risk, and Exactly What To Do Right Now
If you own a Coldcard (or you know someone who does) this is the one post to read before you touch anything else today.
The Ultimate Guide to Buying and Storing Bitcoin Safely (2026 Edition)
Your bitcoin isn't truly yours until you control the keys. This step-by-step guide walks you through choosing the right wallet, securing your recovery phrase, moving your bitcoin off exchanges, and buying directly into self-custody, so you can own your financial future without relying on anyone else.
Self-Custody: Taking Control of Your Bitcoin Wallet
Self-Custody: Taking Control of Your Bitcoin Wallet The conventional financial system relies heavily on custodial services, which many people trust without considering the potential consequences. Storing our hard-earned value in Canadian dollars in a bank makes it the bank’s property, and we must ask for permission to use, move, or withdraw our funds. Fortunately, as … Self-Custody: Taking Control of Your Bitcoin Wallet Read More »
Coldcard Mk4 as Your Swiss Bank Account
When you teach others to self-custody, offer fair products, and build peer services, your wealth grows *with* your community — not at their expense. This is regenerative Bitcoinism
COLDCARD Co-Sign: 10 Use Cases Unlocked
An article exploring new use cases unlocked by the COLDCARD Co-Sign feature.
Utilizing Specter Desktop, Bitcoin Core, and Coldcard as a Combined Financial Instrument : Addition Of OpenBSD
In the contemporary landscape of global finance, the emergence of Bitcoin, with its inherent decentralized architecture, has catalyzed a significant disruption, necessitating a comprehensive reevaluation of traditional financial paradigms. As this form of property experiences an accelerated trajectory of adoption across diverse sectors, the imperative to fortify the security protocols safeguarding individual Bitcoin holdings has ascended to the forefront of user priorities. Among the multifaceted arsenal of security measures available to Bitcoin aficionados, three tools stand out due to their robust capabilities and technical sophistication: Specter Desktop, which integrates seamlessly with Bitcoin Core to facilitate secure multi-signature wallet management; Bitcoin Core, the reference implementation of the Bitcoin protocol that serves not only as a wallet but also as a full node providing invaluable network security and transaction validation; and Coldcard, an advanced hardware wallet designed with a focus on air-gapped security and cryptographic integrity, thereby enabling users to conduct transactions in a self-sovereign manner while significantly mitigating the risks associated with online threats and unauthorized access.
Building a 2-of-3 Multisignature Bitcoin Wallet with Sparrow and COLDCARD
This idea provides a comprehensive, step-by-step guide to creating a 2-of-3 multisignature (multisig) Bitcoin wallet using Sparrow Wallet and COLDCARD hardware wallets. Multisig offers a powerful method of securing Bitcoin, enabling shared control, improved resistance to single points of failure, and tailored inheritance strategies.
5 Best Practices to Store Your Bitcoin (Part 1: Essentials)
Here are the 5 most important steps to take to secure your bitcoin and how to perform them in the best way possible: 1. Use a hardware wallet 2. Use single-sig wallets 3. Secure your wallet with a good PIN 4. Backup your seed WELL 5. ...
