Asia's weekly TOP10 crypto news: Japan Unveils New Security Regulations for Crypto Platforms, Ant Group Acquires Yiu Choi Securities and Top10 News

Hong Kong failed to issue its first batch of stablecoin issuer licenses by the March 31 deadline, despite expectations they would be released by the end of March. This delay affects the regulatory framework for stablecoin operations in one of Asia's key financial hubs.