149 stories about Security from across the crypto press, curated and summarized daily. Most recent: Jul 24, 2026.
An estimated 20% of miners are now unprofitable at current prices, and the stress shows up at the network level, too.
SecondFi suffered a $2.4 million loss due to three attacks exploiting a flaw in its wallet software. The team managed to secure 129 million ADA before further damage could occur.
DeFi Dev Corp has launched a new tool to automatically audit smart contracts for vulnerabilities. The tool is currently in beta and has already identified critical bugs in several popular DeFi projects.
The Trump administration is allocating significant resources to quantum security, which could help protect Bitcoin from future quantum computing threats. Millions of bitcoins with exposed public addresses are potentially at risk from quantum attacks.
A notorious crypto trading bot known for front-running was tricked and drained of $7.5 million. The bot, named 'JaredFromSubway,' was exploited by an unknown attacker who manipulated the bot's trading logic. This incident highlights the vulnerabilities in automated trading systems and the importance of security in crypto transactions.
President Donald Trump signed two executive orders aimed at expanding U.S. quantum computing capabilities and speeding the transition to quantum-resistant encryption, which could impact Bitcoin's long-term security.
THORChain has restarted all network activities after a month-long pause to fix vulnerabilities that led to a $10.7 million exploit. The team implemented multiple security upgrades and a vault migration to ensure safety.
Q2 2026 was the most-hacked quarter on record, with 83 cybersecurity incidents resulting in $755 million stolen. Cross-chain bridges remained the most costly attack vector, highlighting ongoing security vulnerabilities in the crypto industry.
A security researcher audited 200 blockchain-related NPM packages and found they are either deprecated or pose hijacking risks. This highlights ongoing vulnerabilities in open-source blockchain development tools.
A criminal group with ties to fentanyl distribution has been accused of running a crypto scam using a fake 'zksync.jp' token, causing over $1 million in losses. The scheme originated from Japan and targeted crypto users worldwide, highlighting the intersection of drug trafficking and digital fraud.
Secret Network lost $4.67 million in an infinite-mint exploit on the Axelar bridge, which went undetected for seven days. The attacker still holds about $770,000 in an Axelar wallet, which Axelar declined to freeze.
The largest 'sandwich' bot on Ethereum, which itself front-runs trades to profit, was ironically exploited and drained of $7.5 million. The incident underscores the risks in DeFi, even for sophisticated automated tools.
AI-powered security tools are becoming more accessible, potentially changing how crypto developers and institutions approach security. This shift could lower the cost and time required to deploy secure code, making robust security practices harder to ignore.
Two brothers held a Minnesota family hostage at gunpoint for eight hours, forcing the father to transfer $8 million in cryptocurrency. They have now pleaded guilty to the crime. The case highlights the growing intersection of physical violence and digital crime.
Algorand is working on upgrades to protect its blockchain from potential threats posed by quantum computing. The company plans to have these security measures in place by the end of 2027. This is a proactive step to safeguard user data and transactions against future technological advancements.
Algorand has announced a roadmap to achieve quantum resistance by 2028, a critical step to protect against future quantum computing threats. This involves updating both user wallets and the core protocol infrastructure, a process that could take years.
The G7 has expanded its warning about North Korean crypto theft to include broader cybercrime. Researchers have linked DPRK-affiliated actors to billions in stolen digital assets, highlighting the growing threat.
The SPHINCS- proposal aims to reduce the cost of post-quantum signature verification on Ethereum while the network works toward a longer-term solution.
A tweet from crypto analyst @perezlinaza warns Bitcoin holders to review security measures.
A Coinbase report warns that millions of Bitcoin are vulnerable to quantum attacks due to address reuse, including exchange cold wallets. The report suggests freezing exposed coins and setting migration deadlines to mitigate the risk.
A $36 million hack on Humanity Protocol may involve North Korean hackers, according to security firm Quantstamp. The attack used a fake Bithumb email to execute the theft.
A Coinbase-convened panel of top cryptographers agrees Bitcoin should start preparing for quantum attacks now, but declines to take a position on whether millions of vulnerable coins, including many linked to Satoshi Nakamoto, should eventually be frozen.
A new analysis from ChainQuery reveals that 25.3% of all Bitcoin is stored at addresses where the public key has been exposed, making those funds potentially vulnerable to future quantum computing attacks. The risk is not immediate but highlights a significant security consideration for long-term holders.
Coinbase's quantum advisory council urges immediate action to protect Bitcoin from future quantum computing threats. Developers must start migrating to post-quantum cryptography now to avoid potential vulnerabilities. The biggest challenge will be addressing abandoned and vulnerable coins.