NEAR Intents says it has identified the person behind a $3.8 million exploit and is giving the alleged hacker just 48 hours to return the stolen funds.

A 16-year-old suspected of leading KillSec was arrested in Spain as authorities seized five servers and 110TB of stolen data. The operation also led to two other arrests and uncovered around 1,000 suspected attacks.

Polymath and CineCity Studios are exploring a tokenised film investment platform using regulated digital securities. Polymath would provide the technology, while CineCity would bring film projects and production resources.

A cryptocurrency hack allegedly worth more than $50 million began with vulnerable DeFi smart contracts and ended with some of the world’s most coveted collectibles — including rare Pokémon cards, a $500,000 Black Lotus and artifacts tied to Julius Caesar and the Wright brothers.

Shinhan Bank exposed data from about 25,000 customers, while KB Kookmin Bank reported a separate leak affecting 119 customers. Regulators are investigating both breaches and the security of externally accessible banking systems.

Crypto hackers had their biggest month of 2026 in September, but the staggering numbers hide an even more striking detail: two massive breaches accounted for almost all of the month’s reported losses.

OpenAI has fired three safety team members for allegedly sharing confidential company information with an outside AI safety organisation. The dismissals come as OpenAI faces growing scrutiny over AI agent security incidents and its handling of internal safety concerns.

MetaMask is pulling affected Ethereum validators out of operation after discovering a security incident inside part of its infrastructure, turning an otherwise opaque breach into a major precautionary move across its staking business.

Meta has denied that its Muse AI agent accessed a journalist’s private Messages without permission, saying users must enable Full Disk Access and the Messages connector. The journalist said both permissions were off when Muse referenced his private texts, leaving the two sides with conflicting accounts of how the AI accessed the information.

Chinese artificial intelligence models are showing strong capabilities in cybersecurity, after a US-based security company used open-weight models from Chinese AI developer Z.ai to finish at the top of a HackerOne vulnerability-finding competition.

On Sep 21, 2026, 11:47 AM(UTC). According to Binance Market Data, Bitcoin has crossed the 84,000 USDT benchmark and is now trading at 84,834 USDT, with a narrowed 5.43% increase in 24 hours.

On Sep 21, 2026, 11:47 AM(UTC). According to Binance Market Data, BNB has crossed the 790 USDT benchmark and is now trading at 792.359985 USDT, with a narrowed 5.36% increase in 24 hours.

Hyperliquid's market value has exceeded that of Nasdaq and the London Stock Exchange. According to Odaily, the report states this comparison without providing additional details.

Bitcoin BLAKE2b developers plan to restrict miners from unlocking newly mined tokens, with a 45-day waiting period and the change slated for activation at block height 973440. According to ChainCatcher, the chain forked from Bitcoin on August 8, and its native token BTCB2 has been labeled by some trading platforms as Bitcoin BLAKE2b, Bitcoin BIP-110, or XBT. BTCB2 has fallen 84% from its September high of $1,799 and was trading at about $270 to $315 in recent hours. Developer Luke Dashjr said some BLAKE2b mining pools are “attacking” the network. After the fork, the chain kept Bitcoin’s difficulty setting and mined only about 8 blocks in the first 22 days before resuming operations through BLAKE2b hashing and difficulty adjustments. The chain is not listed by most trading platforms or by CoinGecko and CoinMarketCap, while Neoxa has said it will support the upcoming soft fork.

Foresight News reported that Hong Kong-listed game company Boyaa Interactive (stock code: 0434) announced it bought 152 bitcoin last week at an average price of $75,899. The purchase totaled about $11.56 million and was funded by idle cash reserves generated from the company’s operations. According to Foresight News, Boyaa Interactive held 4,468 bitcoin as of the announcement date, with an average cost of about $68,543.

Perpetual futures linked to Volmex's Bitcoin Volmex Implied Volatility Index debuted on Hyperliquid on Monday. According to NS3.AI, the market allows traders to take long or short positions on bitcoin's expected volatility rather than its price direction. The launch was described as the first onchain perpetual futures market for Volmex's bitcoin volatility index.