12:00-21:00 Keywords: Vitalik, Polymarket, Ripple Labs, SignalPlus Vitalik published a discussion on Ethereum's L1 and L2 expansion strategies. 2. The UAE SCA has released draft regulations for securities and commodity tokens. 2. Crypto Lawyer: Prediction Market Polymarket does not have a gambling problem. 2. Matrixport: Bitcoin's "Spring Festival market" may reappear, with a probability of rising by 83% in previous years; 3. Ripple Labs has set a deadline of April 16 for court briefs in its case with the SEC. 1. THORChain is in a debt repayment crisis, and the verification node has suspended the network operation and is voting on the restructuring plan; 2. SignalPlus, a cryptocurrency trading software developer, completed a $11 million Series B financing round, led by AppWorks and OKX Ventures;