Here are five news items from the cryptocurrency world worth noting in the last 24 hours:

1. Solana's DEX trading volume reached 168% of Ethereum's mainnet, with Raydium's market share increasing, highlighting Solana's advantages in speed and cost.

2. Before the Aragon token burn, the U.S. government exchanged ANT for ETH, showcasing its cryptocurrency asset management strategy, which may affect ANT supply and price.

3. Canary Capital applied for a Solana spot ETF with the SEC, allowing investors to participate more directly in the Solana market.

4. MicroStrategy invested $4.2 billion in Bitcoin, demonstrating its confidence in combating inflation and the future potential of Bitcoin.

5. Ethereum's Layer 2 protocol 'nil' launched a public testnet, introducing ZK technology to enhance transaction speed and reduce costs, preparing for the future mainnet launch.