$USDC Giants Accelerate Layout in the Stablecoin Sector, Promoting Reform of the Global Payment System. JD.com, through its subsidiary JD Coin Chain Technology, participates in the Hong Kong stablecoin sandbox testing, planning to issue a stablecoin pegged 1:1 to the Hong Kong dollar, and collaborates with Xiaomi's Star Bank to explore cross-border payment solutions, aiming to address its own cross-border settlement pain points and serve the real economy. Meta Restarts Stablecoin Project, Planning to Integrate Stablecoin Payments in WhatsApp, Covering Its 2 Billion User Base.