Bitcoin cold-wallet attack spreads to 4,500 addresses as losses near $89 million
Galaxy Research flagged a third wave of sweeps tied to weak Coldcard-generated keys, with the attacker now targeting smaller balances and changing how funds are
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Galaxy Research flagged a third wave of sweeps tied to weak Coldcard-generated keys, with the attacker now targeting smaller balances and changing how funds are
The Coldcard vulnerability has smaller bitcoin holders moving funds onto exchanges for safety, according to blockchain analytics firms. This is opposite of the

Bitcoin users moved 39,600 BTC in small transactions as the Coldcard hack continued, with researchers warning that the attack remained active.

Trump Media transferred another 2,628 Bitcoin to Crypto.com, bringing its reported sales over seven months to 7,281 BTC and leaving the company with 4,261 BTC i

OFAC sanctioned two Iranian firms including Hormuz Safe, which “accepts payment in Bitcoin and other digital assets.”
Institutional options selling, AI and delayed U.S. crypto regulation are weighing on bitcoin, according to STS Digital CEO Maxime Seiler.
A software bug in popular hardware wallet Coldcard that led to the theft to this point of nearly 600 bitcoin worth roughly $38 million is prompting questions ab
The world’s largest stablecoin issuer added 14 metric tons of gold and about 1,800 bitcoin to its reserves during the second quarter.
The largest crypto shrugged off a barrage of bad news this month, but traders remain cautious as rate hike fears and jobs data loom.
Galaxy Research said weak seed generation let an attacker recreate likely private keys offline, sweep more than 1,000 BTC from nearly 1,200 wallets and continue

Bitcoin saw fresh downside pressure as US stocks tracked sideways into the end of the month, diverging from the relief bounce seen in Asia.

TIPS data points to rising real yields, not inflation, a dynamic that weighs on non-yielding assets like Bitcoin.

Spot Bitcoin ETFs attracted $172.4 million in July inflows but remained $5.3 billion negative year to date after heavy withdrawals in May and June.

Galaxy Research identified 1,196 addresses that lost 1,082.65 Bitcoin in a 41-minute window, expanding the estimated scope of the Coldcard wallet incident.

The advance reflects IBM’s continued progress toward machines powerful enough to challenge today's cryptography.

Scott Bessent urged the Senate to immediately vote on the crypto market structure bill, accusing Democrats of delaying the legislation for political reasons.

Coinkite said it’s likely that an attacker used AI to review previous versions of its open source firmware to uncover a vulnerability.

Three states have already outlawed Bitcoin ATMs, and a committee chair says Texas will go further than regulating them.
The world's largest corporate bitcoin holder says it has built a cash reserve covering more than two years of dividend payments after investors questioned its g
A hardware wallet randomness bug turned “impossible to guess” seeds into guessable ones, and $38 million is already gone.