Port Finance

Port Finance is a non-custodial decentralized money market protocol built on the Solana blockchain, offering variable-rate lending, fixed-rate lending via its Sundial product, and interest rate swaps.

Launched in 2021 and audited by OtterSec, Kudelski, SlowMist, and Bramah Systems, Port Finance enables cross-collateral borrowing, flash loans, and a natively integrated swap aggregator.

The protocol leverages Solana's high throughput and sub-second finality to deliver lower collateral requirements and faster liquidations compared to Ethereum-based alternatives.

Users can supply assets to earn dynamic interest or borrow against deposited collateral across 10+ supported tokens including SOL, USDC, and mSOL.

Port Finance's Sundial fixed-rate product tokenizes lending positions into principal and yield tokens using a zero-coupon bond model, a unique mechanism among Solana lending protocols. The protocol also supports portfolio tracking and cross-chain bridging.

Security is anchored by four independent smart contract audits and a bug bounty program via Immunefi with payouts up to $500K. The PORT governance token enables community voting and benefits from a buy-and-burn mechanism funded by protocol fees.

With approximately $1.8M in current TVL and over 10,000 historical DeFi users, Port Finance serves as a foundational liquidity layer within the Solana ecosystem, having raised $6.5M from investors including Jump Capital, Alameda Research, Brevan Howard, and Spartan Capital.

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