249 stories about Security from across the crypto press, curated and summarized daily. Most recent: Oct 24, 2026.
Crypto exchange Coinsbuy lost $8 million in a coordinated attack spanning Ethereum and TRON blockchains. Most stolen funds were laundered through the FixedFloat exchange, but the attack method remains unknown.
Hackers drained $8 million from crypto exchange Coinsbuy by exploiting vulnerabilities across Tron and Ethereum blockchains. The stolen funds were quickly moved through multiple exchanges, making recovery difficult.
A hack on the Coldcard Bitcoin hardware wallet has resulted in over $111 million in stolen Bitcoin. The median loss per victim is 1 BTC, with the total theft likely exceeding $130 million. The hack was discovered in early August 2026, and the full extent of the damage is still being assessed.
A volunteer security effort says it has scanned 150 Bitcoin repositories, disclosed more than a dozen vulnerabilities, and is building an open-source AI platform to automate software security reviews.
BTCPay told users running LND to update immediately or take servers offline after attackers stole credentials that can control Lightning wallets and move funds.
BTCPay Server, a popular Bitcoin payment processor, has alerted users to a critical flaw being actively exploited. Users must update to the latest version and replace exposed credentials immediately. The flaw could compromise payment processing systems.
Sui blockchain will let users upgrade to quantum-safe keys without changing their wallet addresses or recovery phrases. This move protects against future quantum computing threats to crypto security.
Zeus Wallet, a self-custodial Bitcoin Lightning Network wallet, was taken offline after a cyberattack. Founder Evan Kaloudis confirmed no customer funds were lost and no Lightning Network vulnerability was found. Users are advised to wait for official updates before attempting to access their wallets.
A volunteer group using AI to scan Bitcoin's codebase found 85 critical bugs, averaging one per hour per person. The group described the situation as 'extremely bad,' raising concerns about the security and stability of the world's largest cryptocurrency.
A recent hack on the Coldcard hardware wallet revealed a five-year-old firmware vulnerability. The incident has spurred the crypto industry to adopt more robust security measures, particularly around collaborative multisig setups. Cory Klippsten, a prominent Bitcoin advocate, is leading the charge for improved security standards.
A security flaw in the Coldcard hardware wallet has analysts at Cantor Fitzgerald and FRNT Financial predicting increased demand for regulated bitcoin products, potentially benefiting custody providers and bitcoin ETFs as investors seek safer alternatives.
A major security breach has hit Coldcard, a popular Bitcoin hardware wallet, with over $100 million in Bitcoin stolen. The hack is ongoing, and users are advised to take immediate precautions to secure their funds.
A security initiative found 85 critical vulnerabilities across 390 Bitcoin-related open-source projects. The effort was spurred by a Coldcard exploit that led to $100 million in losses. The team used AI to scan for flaws, filing 4,962 total findings. This highlights the ongoing need for rigorous security in Bitcoin infrastructure.
Boltz, a non-custodial Bitcoin swap provider, has temporarily shut down because AI tools are discovering vulnerabilities faster than its team can patch them. This highlights the growing challenge of securing decentralized finance (DeFi) platforms against automated attacks.
Bitcoin saw 890,000 BTC moved in the past week, the highest activity of 2026, amid a security breach involving Coldcard wallets. Analysts at K33 suggest this could signal a potential market bottom.
A security flaw in Coldcard hardware wallets allowed hackers to steal $116 million in Bitcoin. The exploit affects older models and has prompted urgent warnings from security experts.
Bitcoin security expert Jameson Lopp warns that AI is making it easier for attackers to find wallet vulnerabilities. The recent Coldcard exploit shows even the most secure wallets can be compromised.
A possible fourth sweep of Coldcard wallets may push losses to $114 million. Users have minutes to act if they see their address in the mempool.
A security flaw in Coldcard hardware wallets has smaller Bitcoin holders moving funds back to exchanges for safety. This reverses the trend seen after the FTX collapse in 2022, where investors withdrew from exchanges. The exploit resulted in a loss of $89 million, according to blockchain analytics firms.
AMLBot launched AI Tracer, a tool that lets anyone track stolen digital assets without needing forensic expertise. The service uses AI to trace transactions, even complex ones, across blockchains.
Binance founder Changpeng Zhao (CZ) advised Bitcoin holders to diversify their storage methods after a $70 million exploit involving Coldcard wallets. The incident highlights the risks of storing large amounts of cryptocurrency in a single wallet.
The XRP Ledger is getting an upgrade next week that brings back two features previously removed due to critical bugs. The update includes five proposed amendments, focusing on security and functionality improvements.
A sophisticated attack on Bitcoin cold wallets has now affected 4,500 addresses, with total losses nearing $89 million. The attacker is exploiting weak keys generated by Coldcard wallets and has shifted tactics to target smaller balances and alter how funds are collected on-chain.
Coinkite has issued a security warning for Coldcard Mk3 users, advising them to create a strong BIP-39 passphrase and move funds to a new wallet. The warning follows reports of 594 BTC stolen from affected users.