# Fundamentals

- [Basics of Lending Protocol](/product-docs/fundamentals/basics-of-lending-protocol.md): Aligning understandings is also an important part before reaching consensus
- [Peer to Peer Model](/product-docs/fundamentals/basics-of-lending-protocol/peer-to-peer-model.md): A BNPL Order is Peer to Peer Matched With A Specific Lender Offer
- [Collateral Backed Lending](/product-docs/fundamentals/basics-of-lending-protocol/collateral-backed-lending.md): Every single lending is secured by a collateral
- [Batch Lending Offers](/product-docs/fundamentals/basics-of-lending-protocol/batch-lending-offers.md)
- [Offer Score](/product-docs/fundamentals/basics-of-lending-protocol/offer-score.md): Intro
- [Lending Q\&A](/product-docs/fundamentals/lending-q-and-a.md)
- [Buy Now Pay Later (BNPL) Q\&A](/product-docs/fundamentals/buy-now-pay-later-bnpl-q-and-a.md): AHow we match borrower with lender
- [Collateral Selling Q\&A](/product-docs/fundamentals/collateral-selling-q-and-a.md): Sell at Best and Seize the Opportunity with Money Market
- [Trading-Up Service  Q\&A](/product-docs/fundamentals/trading-up-service-q-and-a.md)
- [Launch xBank to Offer Buy Now Pay Later(BNPL) for Community](/product-docs/fundamentals/launch-xbank-to-offer-buy-now-pay-later-bnpl-for-community.md): Value To The Community