Bitcoin
Bitcoin Wallets at Risk After Critical Coldcard Security Bugs Get Exposed
Bitcoin self-custody users are being urged to move their funds after Block disclosed two critical vulnerabilities in multiple generations of Coldcard hardware wallets.
Major bitcoin wallet flaw drains 594 BTC in 25-minute sweep
A hardware wallet randomness bug turned “impossible to guess” seeds into guessable ones, and $38 million is already gone.
Coldcard Mk3 warning follows $38M Bitcoin drain
Coldcard warns Mk3 users to move funds as experts investigate a 594 BTC sweep worth about $38 million, with the cause still unconfirmed.
Bitcoin ETFs just broke a brutal $500M losing streak, but the entire recovery is an illusion propped up by BlackRock
The $32.1 million turn ended four negative sessions, but every listed fund except IBIT was flat or negative.
Coinkite Warns Coldcard Mk3 Owners After Reports of $38M Bitcoin Loss
Coinkite issued a security advisory Thursday warning owners of its Coldcard Mk3 hardware wallet that funds tied to certain firmware versions may be at risk. Hardware wallet incidents rarely unfold as isolated events. When long-dormant addresses begin moving in a tightly coordinated pattern, the timing alone warrants scrutiny.
Coldcard issues Mk3 warning as experts examine $38M Bitcoin wallet drain
Coinkite urged Coldcard Mk3 users to migrate funds after identifying a potential seed-generation risk, as Bitcoin security experts separately examine an unexplained $38 million wallet drain.
Strategy Posts $8.2B Q2 Loss as Bitcoin Decline Hits Digital Asset Holdings
Strategy (NASDAQ: MSTR), the largest corporate holder of Bitcoin, reported an $8.2 billion net loss for the second quarter after the recent decline in Bitcoin prices significantly reduced the fair value of its cryptocurrency holdings. The loss was largely driven by an $8.32 billion unrealized markdown under fair-value accounting rules, reflecting weaker market prices rather than realized asset sales.
Bitcoin whale dumps 625 BTC: Can LTHs keep prices stable?
A Bitcoin whale sold BTC worth $39 million, incurring a $20 million loss after one year.
Bitcoin nears a bottom before U.S. midterms: What history and on-chain data suggest
The U.S. midterms may be Bitcoin's turning point, landing as inflation fears mount and the bond yield hits a 19-year high.
Strategy Posts $8.22B Q2 Loss as Bitcoin Holdings Climb to 843,775 BTC
Fair value changes drive quarterly loss even as bitcoin treasury grows 25% year to date
Strategy Posts $8.22B Q2 Unrealized Loss as Bitcoin Price Falls Below Cost Basis
Strategy just released its Q2 2026 earnings report, noting an $8.22 billion unrealized net loss as Bitcoin (BTC) traded near $65,000, well below the average cost basis of $75,476. This massively exceeded Wall Street projections of $2.15 billion. Headwinds during this time included economic downturns, geopolitical conflict, and lower product support revenues.
Stablecoins Eclipse Bitcoin in Brazil as Demand Hits $14.68B
The Central Bank of Brazil reported that demand for cryptocurrency assets, including bitcoin, ether, and stablecoins, reached over $14 billion during the first half of 2026. This represents a 135% increase over H1 2025, indicating continued demand expansion.
