Polymarket to rebuild engine, launch native dollar stablecoin

Polymarket will rebuild its core engine, introduce a hybrid CLOB, and launch Polymarket USD, a USDC‑backed stablecoin on Polygon aimed at cheaper, more institution‑friendly trading. Summary Prediction market Polymarket plans its “largest infrastructure upgrade” in the next 2–3 weeks, overhauling its matching engine and smart contracts. The upgrade will introduce a new hybrid CLOB model…

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Swiss International Gemlab unveils AI-driven approach to gemstone grading

Three veteran gemologists have launched a new gemstone testing facility, Swiss International Gemlab, introducing a proprietary artificial intelligence system to support grading accuracy and consistency. Summary Swiss International Gemlab launches with an AI-supported grading system to improve accuracy and consistency in gemstone reports. The lab will operate from Lucerne and Hong Kong, offering full-service testing…

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Apple delists Jack Dorsey’s decentralized messaging app Bitchat in China

Apple has taken down Bitchat, the decentralized messaging application built by Bitcoin advocate Jack Dorsey, from the China App Store after the Cyberspace Administration of China (CAC) flagged it for non-compliance with local regulations. Dorsey confirmed the action in a statement on X. bitchat pulled from the china app store pic.twitter.com/jrrd0gDrA9 — jack (@jack) April…

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