Sep 3, 2026 · 8 min · 10 segments
Today's blockchain and crypto news Bitcoin is up slightly at $77,927 Ethereum is up slightly at $2,406 BNB is up slightly at $711 Worldcoin, has open-sourced ProveKit, a zero-knowledge identity…
world formerly world coin has open source prove kit a zero knowledge identity toolkit already used in world id that lets users prove claims such as age nationality or possession of a valid id without revealing the underlying personal information prove kit generates proofs locally on phones or browsers rather than sending sensitive data to external servers and world says neither the world foundation tools for humanity nor other third parties can access locally stored credential data The toolkit has been in development for about two years, supports Aztec's Noir programming language, runs on standard consumer hardware, and can complete proofs in seconds on typical phones or under 30 seconds on lower-end devices.
It can verify cryptographically signed NFC-enabled documents such as passports and national IDs, targets 128-bit post-quantum security, and requires no trusted setup.
ProveKit V1 is production-ready and optimized for off-chain verification, while a planned V2 aims to reduce performance proof size proving time and memory usage and improve on-chain verification potentially using growth 16 across networks including world chain ethereum base and solana world is positioning the technology as a privacy preserving alternative to conventional identity verification amid growing concern over large-scale id data breaches and continued regulatory scrutiny of world's biometric identity project in multiple countries Well, New Jersey is asking the U.S. Supreme Court to resolve whether sports contracts on prediction markets like Kalshi are governed exclusively by federal commodities law or can also be regulated under state gambling laws.
Attorney General Jennifer Davenport filed a 332-page petition asking the court to review a Third Circuit ruling in Kalshi's favor after the company challenged New Jersey's cease and desist order.
New Jersey argues Congress never intended to exempt sports betting from state oversight, while CalShe maintains that as a nationwide financial exchange, it should not face regulation from 50 separate state authorities.
The case could settle a growing jurisdictional fight between states and the CFTC, which claims exclusive authority over prediction markets under the Commodity Exchange Act and has even sued states while developing its own regulatory framework.
CalShe must use a third-party geolocation provider licensed by Michigan's gaming regulator to enforce the restrictions, with violations carrying fines of $500,000 per day.
Michigan sued CalShe in March, alleging the company was effectively offering unlicensed sports betting under the label of event contracts, and the case was returned to state court after CalShe unsuccessfully tried to move it to federal court.
The ruling is part of a broader state-level crackdown on the firm, with more than a dozen states pursuing enforcement or lawsuits.
world formerly world coin has open source prove kit a zero knowledge identity toolkit already used in world id that lets users prove claims such as age nationality or possession of a valid id without revealing the underlying personal information prove kit generates proofs locally on phones or browsers rather than sending sensitive data to external servers and world says neither the world foundation tools for humanity nor other third parties can access locally stored credential data The toolkit has been in development for about two years, supports Aztec's Noir programming language, runs on standard consumer hardware, and can complete proofs in seconds on typical phones or under 30 seconds on lower-end devices.
It can verify cryptographically signed NFC-enabled documents such as passports and national IDs, targets 128-bit post-quantum security, and requires no trusted setup.
ProveKit V1 is production-ready and optimized for off-chain verification, while a planned V2 aims to reduce performance proof size proving time and memory usage and improve on-chain verification potentially using growth 16 across networks including world chain ethereum base and solana world is positioning the technology as a privacy preserving alternative to conventional identity verification amid growing concern over large-scale id data breaches and continued regulatory scrutiny of world's biometric identity project in multiple countries Well, New Jersey is asking the U.S. Supreme Court to resolve whether sports contracts on prediction markets like Kalshi are governed exclusively by federal commodities law or can also be regulated under state gambling laws.
Attorney General Jennifer Davenport filed a 332-page petition asking the court to review a Third Circuit ruling in Kalshi's favor after the company challenged New Jersey's cease and desist order.
New Jersey argues Congress never intended to exempt sports betting from state oversight, while CalShe maintains that as a nationwide financial exchange, it should not face regulation from 50 separate state authorities.
The case could settle a growing jurisdictional fight between states and the CFTC, which claims exclusive authority over prediction markets under the Commodity Exchange Act and has even sued states while developing its own regulatory framework.
CalShe must use a third-party geolocation provider licensed by Michigan's gaming regulator to enforce the restrictions, with violations carrying fines of $500,000 per day.
Michigan sued CalShe in March, alleging the company was effectively offering unlicensed sports betting under the label of event contracts, and the case was returned to state court after CalShe unsuccessfully tried to move it to federal court.
The ruling is part of a broader state-level crackdown on the firm, with more than a dozen states pursuing enforcement or lawsuits.
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