Ruben Hallali, a meteorologist, told French media outlet BFMTV the sudden temperature fluctuation recorded at a weather station at the Charles de Gaulle Airport was unlikely to be a natural event. Two Polymarket accounts have attracted suspicion after making $37,000 betting correctly on two unusual temperature readings of a weather station located in a major airport in France. The two weather-focused prediction markets focused on the highest temperature in Paris on April 6 and 15, using the highest temperature recorded at the Charles de Gaulle Airport Station in degrees Celsius, according to Polymarket. French media outlet BFMTV reported on Monday that the temperature suddenly climbed to over 21 degrees Celsius on April 6, before dropping again immediately. The market resolved with the winner taking over $16,000. The winning account is under 30 days old. Read more
Despite the rise, the Crypto Fear & Greed Index score remains stuck in the “Fear” zone, where it has been since Jan. 18. A crypto market sentiment index has risen to its highest level in over three months on Wednesday after Bitcoin rallied nearly 6% to within striking distance of $80,000. The Alternative.me Crypto Fear & Greed Index rose 14 points to 46 out of 100, its highest level since Jan. 18 and its largest single-day gain in more than three months. While still in the “Fear” zone, the current reading marks a sharp rebound from the all-time low of 5 recorded on Feb. 23 after the Trump administration imposed a 15% global tariff, sending Bitcoin (BTC) down to about $63,000. Read more
FBI used the flaw to extract readable Signal messages from an iPhone's notification database even after the app was deleted. Tech giant Apple has fixed a security flaw that had allowed the FBI to access a Signal user’s deleted messages through their phone’s push notification database, despite the app being deleted and messages being set to disappear. In a security advisory released on Wednesday, Apple said it had fixed a bug that allowed “notifications marked for deletion” to be “unexpectedly retained on the device.” In an X post on Wednesday, Signal said the update fixed the issue that made a user’s messages retrievable by law enforcement. Read more
ETH derivatives show strong buyer dominance, leading traders to target $2,500 to $2,600 as the next crucial rally. Ether (ETH) futures on Binance have risen to a near two-month high as aggressive buyers stepped into the market over the past week. Buy-taker volume rose above $5 billion, and the current setup suggests the ETH rally is poised to continue. On Binance, the 24-hour cumulative net taker volume reached $5.5 billion, rising 72% from $3.2 billion earlier in the month. The metric tracks the difference between market buy and sell orders, indicating who is driving price action. The 30-day average has stayed positive since March 1, returning to levels last seen in July 2022. The positive readings point to consistent buyer aggression. Read more
The GSR Crypto Core3 ETF is GSR's first crypto exchange-traded product, giving investors access to the top three largest cryptocurrencies by market capitalization. Institutional crypto trading platform GSR launched its first crypto exchange-traded fund on Wednesday, recording nearly $5 million in trading volume on its first trading day. The GSR Crypto Core3 ETF (BESO) tracks the spot price of Bitcoin (BTC), Ether (ETH) and Solana (SOL) and offers staking rewards, GSR said in a statement on Wednesday. In a separate post on X, GSR said it will be adopting a “dynamic allocation strategy” to optimize returns for the fund, which carries a 1% management fee. Read more
CertiK has urged crypto users not to overlook basic security practices as major crypto hacks spiked in April. Real-time deepfakes, phishing attacks, supply chain compromises and cross-chain vulnerabilities will likely be the root of some of the biggest hacks in 2026, according to CertiK senior blockchain investigator Natalie Newson. The industry has already lost over $600 million to hacks in 2026, due largely to two North Korea-linked crypto thefts in April, including the $293 million Kelp DAO exploit on Saturday involving a single point-of-trust failure in cross-chain messaging protocol LayerZero’s infrastructure, and the $280 million exploit of the Drift Protocol. Another DPRK-linked attack involved the use of AI for social engineering. Crypto wallet Zerion revealed on April 15 that North Korean-affiliated hackers used AI in a long-term social engineering attack to steal about $100,000 from the company’s hot wallets. Read more