Summary of important developments in the cryptocurrency circle today:

US presidential candidate Kennedy supports cryptocurrency and has purchased 21 bitcoins

a16z donated $25 million to crypto lobbying group Fairshake

US SEC requires issuers of spot Ethereum ETFs to submit the first round of draft S-1 forms by Friday

Grayscale submits revised S-3 registration statement for spot Ethereum ETF

Chairman of the US Financial Services Committee: A legislative tool is needed to promote the bill on stablecoin regulation

Ethereum L2 network Mint Blockchain completes $5 million seed round

Base engineers propose Fjord network upgrade for OP Stack

Sei Foundation: Airdrop checks are now updated and accurate results will be seen

Bloomberg ETF analyst: US spot Ethereum ETF may be launched at the end of June

Stargate Treasury suspected of entrusting GSR Markets sells 5 million STG

A smart trader made a profit of about 972 SOL in 5 hours by trading Trump-themed tokens

EOS's new token economics proposal has been passed, which will shut down EOS inflation and destroy 80% of the total supply in the future

Huaxia Bitcoin ETF scale exceeds 1 billion Hong Kong dollars

BitDeer announced that it has obtained $150 million in private financing

L1 blockchain Self Chain announced token economics, with a total supply of 360 million

ETC network has completed production reduction, and the block reward has dropped from 2.56 ETC to 2.048 ETC

Coinbase Chief Legal Officer: Questioning the SEC's rejection of our rulemaking application

Grayscale suspected that Flow Traders was commissioned to sell 5,812 ETH two hours ago, which may be the management fee of the Ethereum Trust Fund

Vitalik: Opposing small blocks ultimately believe in the concept of "soft forks are good, hard forks are bad", and personally supports the "big blocks" side