Save Review: Solana Lending, Isolated Pools & Liquidation

Save (formerly Solend) is one of the original Solana lending protocols, running both a shared main pool and isolated pools for higher-risk collateral — and it’s the platform behind one of the most instructive liquidation stress-tests in Solana DeFi history. Suppliers earn yield paid by borrowers, and borrowers post collateral to draw a loan against it, subject to liquidation if their collateral value falls too far relative to what they’ve borrowed.

What you’d use Save for

Save works like any Solana lending market: supply an asset to earn yield, or post collateral to borrow against it. Its split between a shared main pool and isolated pools lets it list riskier collateral without exposing the whole protocol to that asset’s risk.

How Save’s lending rates work across pools

Supply and borrow rates float with utilization per market, same as any Solana money market — check the app for current rates rather than assuming a fixed figure. Isolated pools can carry different rate curves than the main pool for the same asset.

See our head-to-head comparisons: Save vs Kamino and Save vs MarginFi.

Isolated pools versus shared-pool risk on Save

• Pro: isolated pools contain a bad asset’s risk to that pool rather than exposing the whole protocol.
• Pro: long operating history through multiple market cycles, including a well-documented large-position stress event it continued operating through.
• Con: assets in the shared main pool carry some correlated risk with everything else in that pool.
• Con: as with any lending market, a fast enough price move can outrun liquidation mechanics for large, concentrated positions.

Save’s track record, including its largest stress test

Save has operated since the early period of Solana DeFi and has been through multiple market cycles, including at least one widely publicized episode involving a very large individual position that stressed the protocol’s liquidation mechanics — a useful case study in why isolated risk pools and conservative collateral parameters matter for large, concentrated positions. It has continued operating and iterating on its risk parameters since.

Why pool choice matters on Save

Standard lending and liquidation risk applies — read our guide to lending risk and liquidation. Because Save has both a shared main pool and isolated pools, pay attention to which pool a given asset sits in: isolated pools contain risk from a bad asset to that pool specifically, while assets in a shared pool carry some correlated risk with everything else in it.

What to verify before lending through Save

Save’s shared-versus-isolated pool structure is described in its public documentation and reflected in on-chain market data. Before supplying or borrowing, identify the exact pool, then check its borrow cap, collateral parameters, liquidation settings, and available liquidity; the pool type changes the risk that a single asset can transmit through the market.