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Recent federal litigation by Polymarket against Massachusetts may determine whether the regulation of prediction markets in the United States falls under federal or state jurisdiction. Polymarket argues in the lawsuit that Congress has granted exclusive regulatory authority over "event contracts" (prediction markets for sports, politics, etc.) to the Commodity Futures Trading Commission (CFTC), and therefore state governments do not have the power to independently prohibit or regulate these platforms.The lawsuit aims to prevent Massachusetts Attorney General Andrea Campbell from potential enforcement actions, following a preliminary injunction issued by the state court against Polymarket's competitor Kalshi, which determined that its sports-related contracts constituted unlicensed sports betting. The regulatory conflict between the federal government and the states is intensifying, with prediction market platforms claiming they are regulated as derivatives markets by the CFTC and can operate nationwide, while states like Massachusetts and Nevada view them as a "sports betting loophole" that circumvents state gambling laws, leading to multiple lawsuits and injunctions.The outcome of Polymarket's appeal could reshape the regulatory framework for prediction markets in the United States, determining whether these platforms can operate free from state gambling law restrictions or must comply with varying rules across states, and it may ultimately be appealed to the U.S. Supreme Court.

According to The Block, Uniswap is voting on a proposal to enable protocol fees in all remaining v3 pools and to extend the fees to include eight new chains: Arbitrum, Base, Celo, OP Mainnet, Soneium, X Layer, Worldchain, and Zora.The proposal will use a newly created tier-based fee adapter that automatically applies protocol fees to all v3 pools based on the fee tier of liquidity providers.

Uniswap announced on platform X that the proposal to expand protocol fees is now live.The update aims to enable fees for all remaining v3 liquidity pools on the mainnet and to activate protocol fees for v2 and v3 on the newly added 8 chains.

Uniswap posted on platform X that the proposal to expand protocol fees is now live.The update aims to enable fees for all remaining v3 liquidity pools on the mainnet and to activate protocol fees for v2 and v3 on the newly added 8 chains.

According to The Block, Coinbase's incubated Ethereum Layer 2 network Base has announced its separation from Optimism's Superchain ecosystem, shifting to a unified tech stack operated by Base, and abandoning external dependencies on OP Stack as well as Flashbots and Paradigm.This change aims to reduce the coordination overhead of maintaining code across multiple teams, simplifying the system through optimizations based on open-source components like Reth, while maintaining the "Stage 1" rollup status. It plans to be temporarily compatible with OP Stack, but future hard forks will require migration to the new Base client. The upcoming hard fork includes Base V1 (supporting Fusaka and switching to TEE/ZK proofs), and subsequent versions will synchronize with the Ethereum Glamsterdam upgrade; the blog emphasizes the protocol's openness and welcomes alternative implementations.

According to The Block, Coinbase's Ethereum Layer 2 network Base announced that it will no longer rely on Optimism's OP Stack and Superchain architecture, instead opting for a "unified stack" operated independently by Base.According to the official blog, Base will integrate core components that were previously scattered across multiple teams and code repositories (including key modules like the sequencer) into a unified codebase "base/base" to reduce coordination and maintenance costs, and to optimize deeply for its own needs.At the same time, Base will also reduce its external dependencies on Flashbots, Paradigm, and others. In terms of governance, Base will adjust the security committee structure, replacing the original Optimism-related seats with newly added independent signers.Despite the shift towards an autonomous technical architecture, Base stated that the protocol will remain open source and publicly standardized, welcoming third-party developers to create independent clients and maintain cross-upgrade compatibility. Base is currently the largest network in the OP Stack Superchain ecosystem.

According to quiverquant data, financial giant Jane Street increased its holdings by 7,105,206 shares of IBIT in Q4 last year, valued at $276 million. The company currently holds 20,315,780 shares of IBIT, valued at $790 million.There were previous community rumors that Jane Street was allegedly suppressing Bitcoin prices through high-frequency trading at 10 AM Eastern Time every morning. Additionally, BlackRock and Morgan Stanley increased their holdings by over 2.37 million shares of IBIT in Q4 last year.

According to Decrypt, Philippine digital bank Maya is exploring an initial public offering (IPO) in the United States, aiming to raise up to $1 billion. The company is currently working with advisors to advance this deal.Maya holds a digital banking license issued by the Philippine central bank and offers savings accounts, consumer loans, payment, and merchant services through its app. In addition to core banking services, Maya also provides in-app cryptocurrency trading services under a regulated virtual asset service provider framework. Choosing to list in the U.S. market may provide Maya with a deeper capital pool and a broader base of institutional investors.Local observers noted that investors will weigh the company's banking fundamentals against the compliance of its cryptocurrency business.

According to OnchainLens monitoring, a whale purchased 640,000 UNI from OKX, worth 2.29 million dollars.

According to Arkham data, at 06:02, 600,000 UNI (worth approximately $2.076 million) was transferred from OKX to an anonymous address (starting with 0x76DD...).

According to Farside monitoring data, this week the US Ethereum spot ETF has seen a cumulative net outflow of $161.2 million.

According to Lookonchain monitoring, the net outflow of Bitcoin ETFs in the United States is 5,042 BTC, the net outflow of Ethereum ETFs is 73,075 ETH, and the net inflow of Solana ETFs is 19,170 SOL.

According to Jinshi, the U.S. January seasonally adjusted core CPI annual rate fell from 2.6% to 2.5%, reaching a new low since March 2021, in line with market expectations.

According to official news, the Gate Research Institute has released the "Bingwu Year of the Horse Cryptocurrency Feng Shui Guide," which combines traditional Chinese zodiac elements and the current cryptocurrency market environment. It outlines the changes in fortunes for different zodiac signs during the Year of the Horse and analyzes the market trends and rhythms throughout the year. The report points out that the Year of the Horse will have a strong fire element, which may accelerate market rhythms, increase the frequency of capital rotation and narrative switching, and amplify volatility as a potential characteristic.The report also reviews the structural changes in the market during the Year of the Snake and provides layout ideas based on different risk preferences and asset classes, covering mainstream assets, on-chain tools, and stable income strategies. The overall research attempts to map the logic of cryptocurrency market structural evolution from a traditional cyclical perspective, offering multi-dimensional references for investors in making rhythm judgments and risk management in a high-volatility environment.

According to official news, Tether Gold announced the launch of a new unit of measurement, Scudo, which provides a new and intuitive way to measure the value of on-chain gold. 1 Scudo is defined as equivalent to 1/1000 XAUT (gold ounce), offering users a more practical and operable way for small transactions, making it easy to send and receive on-chain gold.Tether stated that this move will enhance the everyday usability of gold digital assets, providing investors and traders with a more flexible operating experience.

The Ethereum Foundation officially announced that the Hong Kong Ethereum Community Center is now officially operational.This community center focuses on offline communication, co-creation, and event hosting, and is regarded as an important node for connecting the Ethereum ecosystem in East Asia.

Sonic Labs has issued a statement regarding recent public comments about Andre Cronje and the Sonic network. In 2018, a Korean team initiated an ICO for Fantom (now renamed Sonic), which failed to deliver a fully functional product due to mismanagement, resulting in the depletion of a significant amount of funds. Andre Cronje joined in June 2018 and rebooted Fantom. At the time Andre joined, the treasury held less than $5 million in non-FTM assets, which grew to nine figures between 2020 and 2021.Sonic Labs further stated that Andre did not design the original Fantom token economic model; the model was created by the original Korean team in 2018 and later modified through on-chain governance. Andre does not unilaterally hold or control the Sonic development fund. Andre has never abandoned Fantom/Sonic, designed the original technology, expanded the funding, and continues to serve as a technical advisor, regularly providing guidance to the technical team. There is no instance of fund misappropriation.

Japanese Digital Finance Platform PayPay Submits IPO Application in the U.S.It was previously reported that PayPay, a subsidiary of SoftBank, will acquire a 40% stake in Binance Japan.

Ethereum co-founder and Cardano founder Charles Hoskinson appeared at the Consensus Hong Kong conference wearing a McDonald's uniform. He stated, "Market sentiment has fallen to historic lows, but that's okay. Because while things look bad on a micro level, the macro level indicates that we need a new paradigm, a new vision, a new narrative."