Primary Elements

Core Pools Core Pools constitute multi-asset lending environments in which a heterogeneous set of tokens can be simultaneously supplied or borrowed. This configuration optimizes aggregate liquidity and capital utilization but introduces coupled risk domains: compromise of any asset within the pool—whether through oracle deviation, economic manipulation, or token-level inflation exploits—can propagate through the shared collateralization framework, thereby impacting the solvency of the entire pool.

Isolated Pools Isolated Pools implement strict fault-containment by defining a market that includes precisely two assets: one asset authorized as collateral and one asset authorized as the borrowable instrument. Because each pool operates as an independent risk silo, adverse events affecting either asset—such as depegging, liquidity collapse, or protocol-specific exploits—remain confined to that isolated domain and do not compromise other markets within the system. Isolated Markets Purrlend’s Isolated Lending Markets are specialized, where each market consists of exactly two ERC-20 assets—one serving as collateral and the other as the borrowable asset—operating independently to ensure that risk remains confined within the pair. In these isolated markets, collateral in one pair cannot influence or be influenced by positions in any other market, and custom parameters such as LTV ratios, liquidation thresholds, and interest-rate dynamics can be tailored to the unique risk characteristics of each asset pair, enabling safer participation, particularly for newer or more volatile tokens. Participants include lenders, who deposit Asset Tokens to receive yield-bearing pTokens, and borrowers, who supply Collateral Tokens in exchange for Asset Tokens while accruing interest that is ultimately paid out to lenders. Supporting components of the system include robust price oracles for both assets in each pair, rate calculators that adjust interest rates according to market utilization, and a registry tracking all deployed isolated markets. This architecture provides strong risk containment, asset-specific configuration, simpler risk assessment, and the ability to launch highly specialized lending pairs, while each market enforces its own liquidation thresholds and mechanisms to address undercollateralized positions. High Efficiency Mode (E-Mode) E-Mode is a parameterized operational mode that permits elevated collateralization thresholds and loan-to-value (LTV) ratios for positions composed of assets belonging to the same correlation class (e.g., fiat-pegged stablecoins or liquid-staking derivatives). By constraining position construction to a predefined asset group, E-Mode enhances capital efficiency while mitigating cross-category contagion risk. When enabled, the system restricts both collateral deposits and borrowable assets to those within the designated correlation set.