# Mechanism

- [Coupons](/mechanism/coupons.md): Answering the question, what is a coupon?
- [Bond (Deposit)](/mechanism/bond-deposit.md): The "bond" in bond coupon.
- [Loan (Borrow)](/mechanism/loan-borrow.md): Money markets, facilitated by coupons
- [Liquidation](/mechanism/loan-borrow/liquidation.md): Keeping the liquidity protocol liquid