An attacker withdrew more than $2.1 million from the Aztec Connect platform on June 14. The hacker exploited a vulnerability in the proof-verification mechanism. Blockchain security firm CertiK spotted the suspicious transaction and flagged it on X (formerly Twitter). Aztec Connect hack: hacker stole $2.1 million According to CertiK experts, the breach was caused by incomplete verification of the submitted proofs. One of the smart contract's functions

The China National Nuclear Corporation has announced the launch of mass production of silicon-28 with an isotopic purity above 99.99%. This was called the country's first independent large-scale production of such a material. Silicon-28 is used in silicon quantum computers: it reduces magnetic interference and helps improve qubit stability.

Spain's national team enters its first match at the 2026 FIFA World Cup against Cape Verde as the unequivocal favorite. The Polymarket and Kalshi prediction markets put a Spanish win at more than 90% and at the same time name the team as the main contender for the title. The tournament is hosted by the USA, Canada, and Mexico, and the expanded format has gathered 48 teams for the first time. For Cape Verde, this is a debut at

Mining company IREN has completed the purchase of grid-connected AI data center developer Ingenostrum, S.L. (Nostrum Group). The deal brought the miner into the European market and added about 490 MW of secured capacity in Spain, as well as an additional project portfolio. The Nostrum team of more than 50 employees will move to IREN and continue working under the mining company's brand.

Bitcoin mining difficulty has dropped by 10.09% — to 124.93 T. This is shown by data from the CloverPool service. After the recalculation, the network's average hashrate is about 905.89 EH/s. The next adjustment of the metric is expected in roughly two weeks. One of the largest declines in all of history According to Galaxy Research, the new recalculation became the 11th-largest decline in mining difficulty in the entire history […]