OKX will open XDP deposits at 03:00 UTC, followed by XDP/USDT pre-open from 12:00 to 13:00 UTC, and spot trading at 13:00 UTC on September 28, 2026. XDP withdrawals will open at 15:00 UTC. Doppler Finance is building infrastructure for tokenized capital markets across yield, collateral utility, and tokenized real-world assets.