Bitcoin Cold-Wallet Attack Spreads to 4,500 Addresses

August 1, 2026 · Security · CryptoRefuge Team

Bitcoin's security has been compromised in a massive cold-wallet attack, with 4,500 addresses affected and losses nearing $89 million. The attack, which began on July 30, has seen multiple waves of bitcoin draining, with the most significant wave resulting in the theft of 1,083 bitcoins in just 41 minutes.

Live market snapshot (at publish): BTC $62,528 (-0.9% 24h)

$89 million in losses have been reported, with the attack spreading to 4,500 addresses. The total number of bitcoins drained in the attack stands at 1,367 BTC. The July 30 opening wave saw 1,196 addresses targeted, with 1,083 bitcoins drained in a matter of minutes.

The attack has sparked concerns over cryptocurrency security, with many experts warning of the potential for further vulnerabilities to be exploited. The attack has been characterized by multiple waves, with the most recent wave targeting 4,912 addresses and resulting in the theft of 208 bitcoins.

4,585 addresses have been affected by the attack, with the total number of bitcoins drained standing at 1,367. The speed and scale of the attack have raised questions about the effectiveness of current security measures and the need for more robust protections.

Analysis: If the attack continues to spread, it could lead to a decline in investor confidence and a decrease in cryptocurrency prices. A break below the current support level could signal a further decline in prices, while a hold above the current level could indicate a potential recovery.

The market impact of the attack is likely to be negative, with many investors and holders taking a cautious approach to cryptocurrency investment. The forward-looking close is on the next significant support level for bitcoin, which could determine the direction of the market in the coming days. Investors and holders will be watching closely to see how the situation develops and what measures are taken to prevent similar attacks in the future.