Coldcard
Coverage of Coldcard in the Nexus archive.
- Coldcard's $38 million (so far) exploit shakes faith in self-custody, may push investors to ETFs
Coldcard's $38 million exploit has eroded confidence in self-custody solutions and may encourage investors to shift toward ETFs. The breach raises concerns about the security of self-managed cryptocurrency storage.
- COLDCARD SECURITY RISK: IMMEDIATE ACTION REQUIRED
Coldcard wallets (MK3, MK4, MK5, Q) have a critical security vulnerability allowing attackers to brute-force seed phrases if generated without sufficient entropy (e.g., 50+ dice rolls). Funds are actively being drained, with 1000 BTC reported moved. Immediate action is required to move funds to secure wallets, use passphrases, or adopt alternatives like Nunchuck.
- $38M in Bitcoin Drained by Coldcard Key Flaw Its Maker Thinks AI Found
$38 million in Bitcoin was drained due to a vulnerability in Coldcard's firmware. Coinkite, the company behind Coldcard, suggests that an attacker likely used AI to analyze previous versions of its open-source firmware to uncover the flaw.
- What removes doubt from your Bitcoin setup?
The author discusses what makes a Bitcoin setup feel complete and secure, highlighting the importance of understanding the process and having backups and keys handled correctly. The use of COLDCARD is mentioned as a factor in removing doubt from the setup. The author invites others to share their thoughts on the matter.
- Cold Wallet Discussion
A 19-year-old Reddit user with $2K in CashApp Bitcoin seeks advice on cold wallet options like Keystone 3, ColdCard, and BitBox 2 after obtaining an ID. They ask for recommendations on secure storage and thresholds for moving funds off exchanges.