Donald Trump and Xi Jinping are preparing to meet in Washington with an increasingly complicated problem on the table: The United States and China are trying to stabilize their trade relationship at the same time that their competition over artificial intelligence and advanced technology is becoming harder to contain.

A 65-year-old Chinese cleaner used AI face-swapping to pose as a young doctor and scam a businessman out of 170,000 yuan ($25,000). She also posed as the doctor’s mother before police uncovered the fraud.

Crypto is becoming easier to buy with the same cards people use for everyday purchases. But that convenience is also pulling digital assets deeper into the rules of traditional finance — and Visa is reportedly making that boundary harder to ignore.

The attack reportedly starts with a malicious webpage opened through Safari, potentially after a user is directed to the site through social engineering or a compromised website.

Taiwan's cybersecurity challenges are not limited to attacks against government and corporate systems.

Polymarket had raised controversy after choosing to prioritise expanding its US prediction-market business and ignore a greater problem: fraudsters who had found a way to turn the platform's growth into a $10 million lottery ticket, as reported by a Wall Street Journal investigation.

Contagious Interview, has targeted web designers, software engineers and professionals working in cryptocurrency, blockchain and Web3.

North Korea-linked hackers used fake job interviews to infect over 30,000 devices in 100+ countries and steal at least $10.7 million from 7,000+ crypto wallets. The WaterPlum group targeted developers with malicious coding tests and interview software, stealing passwords, seed phrases and personal data.

I is no longer only the target of cyberattacks. It is becoming an active participant in them.

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.

X has taken a Bitcoin-focused account network to court, alleging that a group of seemingly independent crypto profiles was actually operating as a coordinated engagement machine designed to turn artificial activity into real creator payouts.