[Golden Finance Compilation: Overview of financing information in the past 24 hours (April 2)] 1. Echo, the crypto angel investor platform, has completed its first transaction; 2. a16z will invest US$30 million in multiple startups in the next 45 days 3. Blockchain network XION completed US$25 million in Series A financing, with Multicoin Capital and others participating; 4. Merkle Trade completed US$2.1 million in seed round financing, with Hashed and Arrington Capital co-leading the investment.