The following are five noteworthy news items from the cryptocurrency sector in the past 24 hours:

1. BlackRock purchased $500 million worth of Ethereum, demonstrating its confidence in the future of Ethereum and potentially impacting the market.

2. World Liberty Financial exchanged stablecoins for Ethereum, indicating the company's optimistic outlook on the future price trend of Ethereum.

3. The decentralized gaming project Treasure launched its mainnet after DAO approval and migrated to zkSync, leveraging Ethereum's layer two technology to improve transaction speed and reduce costs.

4. Ubisoft partnered with Arbitrum to launch its first blockchain game, 'Captain Laserhawk: The G.A.M.E.'. The game will utilize Arbitrum's layer two solution to lower transaction fees and increase processing speed, incorporating NFT elements that allow players to trade unique in-game assets.

5. The U.S. Senate's confirmation vote for Caroline Crenshaw has become uncertain due to opposing voices. Her stance on cryptocurrency regulation has sparked controversy, especially regarding the classification of certain crypto assets as securities, which may affect future regulatory policies.