Coldcard Mk4
7 stories
Bitcoin Hardware Wallet Bridge HWI to End Support for New Devices
Bitcoin's Hardware Wallet Interface (HWI), a key tool for connecting wallet software to hardware devices, will stop adding support for new models, raising compatibility concerns as its Rust-based successor remains unfinished
ShipMonk Data Breach Exposes Trezor Buyers to Phishing and Theft Risk
A breach at ShipMonk compromised personal data for nearly 14,000 Trezor hardware wallet customers, raising concerns about targeted phishing and physical attacks as crypto-related security incidents accelerate in 2026.
Bitcoin ETF Inflows Surge as Sentiment Diverges From Stocks
U.S. spot Bitcoin ETFs saw their strongest inflows since April, with BlackRock and Fidelity leading the charge, as investors respond to shifting sentiment and security concerns following a major hardware wallet exploit
Coldcard Wallet Exploit Triggers $130M Bitcoin Theft, ETF Inflows Surge
A vulnerability in Coinkite's Coldcard hardware wallet has led to $130 million in stolen Bitcoin, raising new questions about self-custody security as spot Bitcoin ETFs attract $382 million in inflows over two days
Bitcoin Holds $65K as ETFs and Whales Absorb Selling Pressure
Bitcoin's price has rebounded above $65,000 despite a hardware wallet security scare and ongoing legislative delays, as institutional investors and large holders step in to buy over $2 billion in BTC from smaller sellers
AI Threatens Bitcoin Custody Security Before Quantum Computing Arrives
AI is accelerating the discovery of vulnerabilities in Bitcoin custody systems, raising new risks for cold storage and hardware wallets even as Bitcoin's core cryptography remains unbroken
Coldcard Firmware Bug Drains $89M From Bitcoin Wallets
A March 2021 Coldcard firmware flaw let attackers steal about 1,367 BTC worth roughly $89 million from thousands of addresses. Researchers say vulnerable wallets remain at risk and urge immediate fund moves