Solana Ecosystem

Port Finance

An early Solana lending protocol supporting variable and fixed rate lending markets. Port Finance operated from 2021 to 2023, offering users the ability to supply assets for yield or borrow against collateral with algorithmic interest rates. It was among the first wave of lending protocols on Solana before the ecosystem consolidated around larger platforms like marginfi and Kamino.

IDport-finance

Plain meaning

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An early Solana lending protocol supporting variable and fixed rate lending markets. Port Finance operated from 2021 to 2023, offering users the ability to supply assets for yield or borrow against collateral with algorithmic interest rates. It was among the first wave of lending protocols on Solana before the ecosystem consolidated around larger platforms like marginfi and Kamino.

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Technical context

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Teams, protocols, tools, and the wider Solana product landscape.

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Port Finance (port-finance)
Category: Solana Ecosystem
Definition: An early Solana lending protocol supporting variable and fixed rate lending markets. Port Finance operated from 2021 to 2023, offering users the ability to supply assets for yield or borrow against collateral with algorithmic interest rates. It was among the first wave of lending protocols on Solana before the ecosystem consolidated around larger platforms like marginfi and Kamino.
Related: Lending Protocol, Borrowing, marginfi
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Concept graph

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Branch

Lending Protocol

A DeFi protocol that enables users to deposit tokens to earn yield and borrow tokens against collateral. Key Solana lending protocols include Solend, MarginFi, Kamino, and Save (formerly Solend v2). Lending rates float based on utilization (borrowed/deposited). Deposits receive interest-bearing receipt tokens representing their share.

Branch

Borrowing

The act of taking a loan against deposited collateral in a lending protocol. Borrowers pay a variable interest rate that increases with pool utilization. The borrowed amount must stay below the maximum loan-to-value (LTV) ratio or the position becomes eligible for liquidation. Flash loans allow uncollateralized borrowing within a single transaction.

Branch

marginfi

A decentralized lending and borrowing protocol on Solana that enables users to supply assets to earn yield or borrow against collateral. marginfi features a risk engine that evaluates asset correlations and concentration risk, isolated lending pools for higher-risk assets, and integration with Solana DeFi composability. It became one of the largest lending protocols on Solana by TVL during 2023-2024.

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DeFi

Lending Protocol

A DeFi protocol that enables users to deposit tokens to earn yield and borrow tokens against collateral. Key Solana lending protocols include Solend, MarginFi, Kamino, and Save (formerly Solend v2). Lending rates float based on utilization (borrowed/deposited). Deposits receive interest-bearing receipt tokens representing their share.

DeFi

Borrowing

The act of taking a loan against deposited collateral in a lending protocol. Borrowers pay a variable interest rate that increases with pool utilization. The borrowed amount must stay below the maximum loan-to-value (LTV) ratio or the position becomes eligible for liquidation. Flash loans allow uncollateralized borrowing within a single transaction.

Solana Ecosystem

marginfi

A decentralized lending and borrowing protocol on Solana that enables users to supply assets to earn yield or borrow against collateral. marginfi features a risk engine that evaluates asset correlations and concentration risk, isolated lending pools for higher-risk assets, and integration with Solana DeFi composability. It became one of the largest lending protocols on Solana by TVL during 2023-2024.

Solana Ecosystem

Portal Bridge

Wormhole's user-facing bridge interface for transferring tokens and NFTs between Solana and 20+ blockchains. Portal Bridge uses Wormhole's guardian network of 19 validators to verify cross-chain messages and secure asset transfers. It was one of the earliest production cross-chain bridges for Solana and remains a primary interface for moving assets between Solana and other ecosystems.

Commonly confused with

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Solana Ecosystemdual-finance

Dual Finance

A DeFi options protocol on Solana enabling projects to distribute tokens through option-based incentive programs called Staking Options rather than direct airdrops. Dual Finance allows protocols to offer staking rewards as options contracts, giving recipients the right to purchase tokens at a discount. This model aligns incentives by rewarding committed stakeholders over passive airdrop recipients.

Solana Ecosystemmaple-finance

Maple Finance

An institutional lending protocol connecting capital providers with vetted institutional borrowers through on-chain credit pools. Pool delegates underwrite loans and manage risk on behalf of depositors. Maple offers Solana pools for US Treasury yield and direct institutional lending, bridging traditional credit markets with DeFi infrastructure for higher-quality borrowers.

Solana Ecosystemmayan-finance

Mayan Finance

A cross-chain swap protocol built on Wormhole enabling token transfers between Solana, Ethereum, and other chains with competitive rates through auction-based pricing. Mayan uses a relay system where solvers compete to fulfill cross-chain swaps at the best rates, combining Wormhole's messaging security with market-driven pricing to offer efficient cross-chain asset transfers.

Related terms

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DeFilending

Lending Protocol

A DeFi protocol that enables users to deposit tokens to earn yield and borrow tokens against collateral. Key Solana lending protocols include Solend, MarginFi, Kamino, and Save (formerly Solend v2). Lending rates float based on utilization (borrowed/deposited). Deposits receive interest-bearing receipt tokens representing their share.

DeFiborrowing

Borrowing

The act of taking a loan against deposited collateral in a lending protocol. Borrowers pay a variable interest rate that increases with pool utilization. The borrowed amount must stay below the maximum loan-to-value (LTV) ratio or the position becomes eligible for liquidation. Flash loans allow uncollateralized borrowing within a single transaction.

Solana Ecosystemmarginfi

marginfi

A decentralized lending and borrowing protocol on Solana that enables users to supply assets to earn yield or borrow against collateral. marginfi features a risk engine that evaluates asset correlations and concentration risk, isolated lending pools for higher-risk assets, and integration with Solana DeFi composability. It became one of the largest lending protocols on Solana by TVL during 2023-2024.

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Solana Ecosystem

Phantom

The most popular Solana wallet, available as a browser extension and mobile app with multi-chain support (Solana, Ethereum, Polygon, Bitcoin). Phantom provides token swaps, NFT management, staking, and a built-in dApp browser. Known for its clean UX and rapid feature adoption, it has become the default entry point for most Solana users and consistently ranks among the top crypto wallets by active users.

Solana Ecosystem

Solflare

A Solana-native wallet offering browser extension, mobile, and web interfaces with deep staking integration, hardware wallet support (Ledger), and a built-in dApp browser. Solflare was one of the first Solana wallets and provides advanced features like stake account management, token metadata display, and priority fee controls. It supports the Solana Wallet Standard for seamless dApp connectivity.

Solana Ecosystem

Backpack Wallet

A multi-chain wallet developed by Coral (the team behind xNFT protocol) that combines MPC and self-custody models. Backpack pioneered executable NFTs (xNFTs) that embed full applications inside NFTs, enabling a decentralized app store experience within the wallet. It supports Solana, Ethereum, and other chains with a focus on developer extensibility and programmable wallet experiences.

Solana Ecosystem

Backpack Exchange

A regulated cryptocurrency exchange built by the same team behind Backpack Wallet (Coral). Licensed in multiple jurisdictions, it offers spot and perpetual futures trading with a focus on the Solana ecosystem. Backpack Exchange integrates tightly with the Backpack Wallet for seamless fund transfers and aims to bridge the gap between centralized exchange liquidity and self-custodial wallet experiences.