Security

Thousands of bitcoins have been permanently lost due to discarded hard drives, forgotten passwords, and user errors. These incidents underscore the risks of self-custody and the irreversible nature of blockchain transact...

A dark web service called Nexus claims to be selling over 153 million U.S. and Canadian driver's license scans, prompting the FBI to launch an inquiry and reigniting criticism of Know Your Customer regulations within the...

Recovery firms help users regain access to lost cryptocurrency through password cracking and seed phrase reconstruction, but face challenges from scams and the fundamental limits of self-custody.

Ukraine's National Police and Security Service shut down a fake investment platform ring that targeted victims across more than 20 countries. Investigators identified 62 victims and seized equipment from 34 locations in ...

A hacker connected to the third wave of Coldcard wallet thefts has started swapping stolen Bitcoin for Ether via THORChain, moving approximately 10% of the stolen assets while the majority remains untouched.

Ontology restored its mainnet on September 2 after an emergency security pause and made version 3.1.5 mandatory for all sync-node operators. The network identified malicious activity targeting the blockchain, though deta...

Cybersecurity researchers have identified a fraudulent Claude desktop application being used to spread malware that targets cryptocurrency wallets. The scheme exploits demand for access to newly released AI models.

A Washington federal judge ruled against XRP influencer Jake Claver in a defamation case, finding no false statements in Rector's videos about Claver's business practices and ordering Claver to pay Rector's legal fees.

World has added 128-bit post-quantum security to Provekit, its open-source zero-knowledge proving toolkit, using a hash-based scheme to protect against future quantum computing threats and align with NIST standards.

Fidelity Digital Assets analysis identifies future quantum computers as a potential threat to Bitcoin's security model, while researchers explore hash-based alternatives that would trade network capacity for protection.

U.S. law enforcement seized nearly $560,000 in cryptocurrency by taking control of the servers and domains used to solicit donations for Hamas, rather than pursuing individual transactions.

The Justice Department announced the seizure of approximately $560,000 in cryptocurrency allegedly destined for Hamas' Al Qassam Brigades, along with control of online fundraising infrastructure.

Federal authorities and CrowdStrike announced the disruption of a malware operation that stole cryptocurrency using a clipboard-hijacking tool, with stolen assets peaking at $1.5 million.

Circle warned that quantum computing threats to blockchain signatures are advancing, but securing USDC across its network footprint requires coordinated upgrades from independent chains, wallets, custodians, and bridges—...

IDScan.net, which processes over 21 million identity checks monthly for major retailers and entertainment venues, is under investigation following a suspected data breach that exposed millions of U.S. and Canadian driver...

The TAC network has halted at block 24,671,475 since an August 22 exploit drained 28.6% of token supply from its bonded staking pool. The Foundation plans to replace 1.26 billion TAC from treasury reserves, while 1.66 bi...

A new print edition of Bitcoin Magazine focuses entirely on the existential threat of quantum computing to Bitcoin's cryptographic foundations and potential network-wide solutions.

Injective paused block production for nearly four hours while validators deployed an emergency patch to address a reported $4.9 million exploit affecting its network.

The Justice Department and security firm CrowdStrike have dismantled Sality, a peer-to-peer botnet that operated since 2003 and spent its last eight years stealing cryptocurrency by replacing wallet addresses on infected...

Core DAO is implementing an emergency hard fork to address a vulnerability in its Satoshi Plus consensus mechanism that allowed validators to extract excess block rewards beyond the protocol's intended issuance schedule....