Interest Rate Mechanism

Definition ∞ An interest rate mechanism denotes the system or methodology through which interest rates are established and modified within a financial system. In traditional finance, central banks typically determine benchmark rates, whereas in decentralized finance (DeFi), algorithms or governance protocols frequently govern these rates. This mechanism affects the cost of borrowing and the returns on lending, consequently influencing capital allocation and economic activity. Its function is vital for market equilibrium.
Context ∞ In decentralized finance, the interest rate mechanism is a primary discussion point, particularly regarding lending and borrowing protocols. News frequently covers how adjustments in these algorithmic rates impact stablecoin peg stability, collateralization requirements, and the profitability of various yield generation strategies. Comprehending these mechanisms is essential for evaluating the risk and reward profiles of different DeFi applications and their wider market implications.