In recent cryptocurrency news, a Bitcoin user who paid a $3.1 million transaction fee claims to have been hacked. Meanwhile, Standard Chartered has joined China's digital yuan (e-CNY) central bank digital currency (CBDC) pilot testing, and OKX has expanded its services in the Brazilian market. Additionally, Circle and SBI Holdings have teamed up to promote the adoption of USD Coin (USDC) and Web3 services in Japan. Lastly, Hong Kong cryptocurrency exchange HKVAEX clarified its licensing status and its lack of connection to VAEXC.