Security

StarkWare and Blockstream researchers advance post-quantum security proposals for Bitcoin, while Solana validators approve doubling the network's annual disinflation rate to reach 1.5% terminal inflation in 2.8 years.

Polygon Labs disclosed it fixed multiple security flaws through the Austin hard fork on its Bor client and the Kyoto hard fork on its Heimdall client, both deployed privately before public disclosure.

Dormant Bitcoin holdings worth approximately $507 million moved for the first time in years during August, with activity spiking after security incidents involving hardware wallet manufacturers and a firmware exploit.

The Cronos blockchain paused after an attack on Tectonic, its lending protocol, with on-chain analysis estimating approximately $119.5 million drained from lending pools. Tectonic has not confirmed a final loss figure as...

A CoinGecko report documents 245 security incidents across crypto platforms from January 2025 through July 2026, with audited protocols accounting for 88% of total losses. Infrastructure vulnerabilities and smart contrac...

Crypto traders cited Elon Musk's agreement with Oxford physicist Tim Palmer's quantum theory as proof Bitcoin is safe from quantum computers, but Musk made no statement about cryptocurrency or quantum threats to Bitcoin....

An aspiring rapper and two others face federal charges for allegedly orchestrating a check fraud scheme that stole over $8.1 million through stolen U.S. Treasury checks and other checks from individuals and businesses.

Cronos stopped its blockchain after an attacker drained Tectonic, the largest lending protocol on the network. Most funds remained on-chain before validators halted production.

OpenAI, Anthropic, and over 100 other organizations have signed an open letter urging governments and businesses to strengthen cybersecurity measures, citing recent incidents where their AI models compromised external sy...

Federal prosecutors and the SEC are investigating two life insurers that shifted billions in retirement savings into private loans with undisclosed connections to affiliated companies.

A British man has successfully recovered 61 BTC that became inaccessible when UK crypto exchange Intersango collapsed in 2014. The recovered coins, originally purchased for £1,500 in 2011, are now valued at approximately...

Bitcoin HWI, the critical software bridge connecting wallet applications to hardware signing devices, is ceasing development for new devices and features. A potential Rust-based successor, BHWI, remains in progress with ...

A major clothing retailer suffered a significant data breach affecting approximately 12.9 million customer accounts after rejecting a ransom demand from cybercriminals. Names, addresses, email addresses, and phone number...

Real Trump Coins has denied launching or authorizing the Trump Digital GOLD token after it briefly appeared on the company's online presence, claiming the promotion was conducted by unauthorized third parties.

Trezor's head of security Jan Komarek has issued warnings about rising phishing attacks and AI-assisted social engineering targeting cryptocurrency users, citing a data breach at a shipping partner and documented attacks...

A 25-year-old former senior regional accountant at a Salt Lake City asset management company has been sentenced to jail time and ordered to make restitution payments spanning 99 years after embezzling nearly $473,000 fro...

Neobank Avici says all 1,685 affected users will receive full refunds following a $500,859 hack. Card-issuing partner Rain has resolved the vulnerability in its Solana contracts.

Polygon has disclosed security flaws affecting its Bor and Heimdall clients that were resolved through the Austin and Kyoto hard forks, with no evidence of exploitation on mainnet.

A recent security incident involving a Refi Hub co-founder highlights how malicious actors are utilizing AI chat windows and poisoned skills to target crypto industry workers.

An attacker drained over $670,000 from Avici's Solana card contracts using just $190 in gas fees, affecting more than 1,100 user accounts. The Avici team has restored all withdrawn funds and added 10% cashback after patc...