Bitcoin.com
Coldcard Attacker Steals $30M in 10 Minutes by Targeting Big Wallets
July 31, 2026•06:17 PM
A devastating attack on Coldcard wallets resulted in the theft of approximately $30 million in just 10 minutes, as revealed by Chainalysis. The attacker employed a strategy of prioritizing wallets with the largest balances, maximizing the attack's profit in record time. Blockchain analysis shows that the breach affected over 500 wallets, exposing critical vulnerabilities in the device's firmware.
This incident highlights lasting risks for seeds created on vulnerable firmware and raises serious questions about the security of Coldcard hardware wallets. The Bitcoin community is on alert for potential similar attacks, while experts recommend immediate updates and review of cryptocurrency storage practices. The total value of the sweep exceeded $38 million, positioning this among the largest targeted hardware wallet thefts in recent history.
This is a summarized and adapted version by Artificial Intelligence. To read the complete original story, visit the official source.
Read Full Article at Bitcoin.com⚡
Support Jornal Bitcoin
Independent journalism, curated by AI, no clickbait. Keep the flame alive with any amount of BTC.
Wallet of Satoshi
jonata@walletofsatoshi.comDaily Crypto Brief 📬
Subscribe to receive the curation of the most important Bitcoin and crypto news, summarized by AI. No spam.
Join more than 10,000 smart readers.
Related News
Crypto Briefing★ Featured
Tech Giants Pour $2.4 Trillion into AI Infrastructure, Creating Capital Vacuum That Will Reshape Markets
Tech giants are committing $2.4 trillion to artificial intelligence infrastructure, creating an unprecedented capital vacuum that will fundamentally reshape global markets. This massive investment represents the largest capital movement in tech history, dwarfing even crypto market bubbles and tech stock rallies in both scale and velocity.
The impact of this capital concentration will be profound and multifaceted, straining energy resources, altering financial dynamics, and redirecting capital flows on a global scale. Market investors and analysts are closely watching the consequences of this wealth redistribution, while the crypto and blockchain sector may emerge as an alternative for displaced capital, offering decentralized solutions to the infrastructure challenges created by the AI race.
The impact of this capital concentration will be profound and multifaceted, straining energy resources, altering financial dynamics, and redirecting capital flows on a global scale. Market investors and analysts are closely watching the consequences of this wealth redistribution, while the crypto and blockchain sector may emerge as an alternative for displaced capital, offering decentralized solutions to the infrastructure challenges created by the AI race.
08:00 PMRead Brief →
Bitcoinist
Sui's USDsui Model Turns Stablecoin Yield Into Ecosystem Buybacks
Sui's USDsui stablecoin strategy is revolutionizing the DeFi landscape by converting stablecoin reserve yields into daily ecosystem buybacks. This innovative approach creates a unique token utility story that sets Sui apart from other blockchain networks in the competitive stablecoin market. By directing stablecoin yield to on-chain activities, the USDsui model strengthens the Sui ecosystem organically, increasing intrinsic demand for the native token. This strategic move represents a significant advancement in the search for real utility in decentralized finance, positioning Sui as a disruptive force in both the stablecoin and broader blockchain sectors.
07:50 PMRead Brief →
Crypto Briefing
Iran Plans to Target Israel, US Infrastructure in Response Plan: Tasnim
Iran is developing a strategic response plan that includes direct attacks on Israel and US infrastructure, according to Tasnim agency. This plan represents a significant escalation in regional tensions, focusing on civilian and economic systems, increasing the complexity of the Middle East conflict. Iran's strategy of targeting critical infrastructure could have devastating consequences for regional stability and global markets, including the cryptocurrency sector. Security analysts warn that such actions could trigger a chain reaction of retaliation, potentially affecting international trade routes and supply chains, with profound implications for the global economy and oil prices.
07:22 PMRead Brief →
CryptoSlate
From Crypto Treasury to AI Data Centers: Inside the Aggressive 4,375 ETH Sell-Off That Hit a Massive Collateral Wall
A company has executed an aggressive sell-off of 4,375 ETH from its crypto treasury to fund AI data centers, but the operation has hit a massive collateral wall. The company had raised its ceiling to 4,375 ETH, but only 1,714.8 ETH now sits outside the disclosed pledge. The move represents a significant strategic shift, with resources being reallocated from the cryptocurrency market to the burgeoning artificial intelligence industry. The large-scale Ethereum sale could have market implications, especially considering the amount involved and the context of a collateral wall that may indicate restrictions or challenges in liquidating the assets.
07:25 PMRead Brief →
Bitcoin.com
Saylor and Strategy Officially Back CLARITY Act for US Crypto
Michael Saylor and Strategy Inc. (Nasdaq: MSTR) officially declared support for the CLARITY Act on July 31 as Senate lawmakers face mounting pressure to advance comprehensive cryptocurrency regulations. This strategic endorsement positions the legislation as a catalyst for institutional adoption, market growth, and clearer protections for digital asset ownership. Saylor and Strategy's backing represents a significant move in the US crypto regulatory landscape, directly connecting traditional finance with digital innovation and potentially accelerating the entry of financial institutions into the Bitcoin and cryptocurrency markets.
07:30 PMRead Brief →
Crypto Briefing★ Featured
Trump orders new US military offensive against Iran, could start this weekend
In a high-stakes geopolitical move, President Trump has ordered a new US military offensive against Iran, with potential operations beginning as soon as this weekend. This abrupt decision significantly escalates tensions in the Middle East and marks a substantial shift in American foreign policy, with immediate global consequences. The military escalation could destabilize regional geopolitics, impact global markets - including the cryptocurrency market - and significantly alter US foreign policy dynamics. Investors and analysts are closely monitoring the situation, as geopolitical uncertainty typically leads to volatility in risk assets, with Bitcoin often serving as a safe haven during times of economic and political turbulence.
07:13 PMRead Brief →
