SecurityColdcard Mk3 Flaw Drains 594 BTC
Coinkite warns Coldcard Mk3 users after a firmware bug let an attacker drain 594 BTC (about $38M) from roughly 500 wallets in 25 minutes.
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Security
TechnologyMoonPay Launches PayBox: AI Wallet in ChatGPT and Claude
MoonPay unveiled PayBox, an AI wallet for ChatGPT and Claude. Here's how the assistants buy and swap crypto within user-set spending limits.
SecurityEthereum, Solana Lead $1B in H1 2026 Crypto Hacks, Blockaid Says
Blockaid found hackers stole over $1 billion from crypto in H1 2026. Ethereum and Solana projects lost the most, mostly through compromised keys.
SecurityApple Sued Over Fake Sparrow Wallet App in the App Store
Three Bitcoin holders sued Apple over a counterfeit Sparrow Wallet app in the App Store that drained a combined $1.84 million.
SecurityZcash Activates Ironwood: How the Network Closed the Door on Fake ZEC
Zcash activated the Ironwood upgrade and replaced the vulnerable Orchard pool. Here is how the turnstile stops fake ZEC and what holders should do now.
SecuritySparkKitty Malware Steals Seed Phrases via App Store and Google Play
Check Point uncovered SparkKitty, malware that scans photos for crypto wallet seed phrases. It spread through the App Store and Google Play.
InstitutionalKraken Parent Acquires Magic Labs' Wallet Business
Payward, Kraken's parent, acquires Magic Labs' wallet business, which powers over 60 million wallets and $10 billion in stablecoin transactions.
SecurityNorth Korea Arrests Hackers Over Bank Fund Crypto Laundering
North Korea detained former military hackers accused of stealing funds from two state banks and laundering them through crypto and Chinese brokers.
BitcoinStrategy Launches Net Bitcoin Per Share Metric
Strategy overhauled its Bitcoin treasury metrics and unveiled Net Bitcoin Per Share. Here's how the number is calculated and what it means for investors.