
PayFi - 按课次结算的三方流程
On-chain escrow fixes prepaid rug-pull risk: release funds via dual-signature, auto-refund, with transparent, immutable trust.

PayFi - 按课次结算的三方流程
On-chain escrow fixes prepaid rug-pull risk: release funds via dual-signature, auto-refund, with transparent, immutable trust.