On-chain lending has been tried many times. Most of it has not ended well. Each protocol launched with real capital, real borrowers, and a real thesis. Each one ran into a version of the same problem. The capital was on-chain. The repayment was not. When a borrower agreed to repay a loan, that promise lived off-protocol. A spreadsheet, a wire transfer, a corporate treasury that may or may not still be solvent when the loan came due. When things went well, the protocol looked clean. When things went badly, the protocol had no recourse — because the cash that was supposed to come back was sitting in a place the protocol could not see, let alone touch. That is not a protocol problem. That is the absence of a protocol on the side that matters most. What e-commerce changes is the shape of the repayment source. The cash a merchant owes is not a future intention. It is a future disbursement — already triggered by sales that have already happened, sitting in a platform's settlement queue, on a schedule the platform has already committed to. If a protocol can attach itself to that flow, repayment stops being a promise. It becomes a deduction the protocol observes and enforces. This is the part on-chain lending has been missing. Not better borrowers. Not better underwriting. A repayment source that lives in the same structure as the loan itself.