DeFi is an acronym for Decentralized Finance, also known as Open Finance, which refers to the decentralized protocol used to build an open financial system designed to allow anyone in the world to conduct financial activities anywhere, anytime.

The Port of DeFi Network is an Ethereum-based decentralized asset value exchange, interactive financial services network designed to act as a port of call between Ethereum assets and real-world assets, using Price Oracle as data support for DeFi's underlying lending protocols, enabling real-world assets to be collateralized in the cryptocurrency asset markets, along with cryptocurrencies, and other assets.

Port of DeFi Network is committed to building a permanent, fair and equitable DeFi ecosystem, rebuilding a network for social and financial order, creating a real value interchange between personal real assets and digital assets, steadily increasing investor assets, making the social order more transparent and equitable, making credit more reliable, and making the global economic balance stronger.

The Port of DeFi Network is a decentralized lending platform within the DeFi ecosystem. PDF is the token of the loan agreement, investors will be rewarded with a platform pass PDF while pledging their borrowed assets. At the same time, PDF can enhance the community governance of the Port of DeFi Network. The Port of DeFi Network agreement will open up the borrowing and mining mechanism as an incentive to improve the liquidity for borrowers and lenders.

The core of the Port of DeFi Network is the interest rate, which is uniformly applicable to all borrowers and is adjusted with the change of supply and demand over time. The history of each interest rate in each money market is recorded by the interest rate index, which is calculated every time the interest rate changes. This is caused by the user casting, redeeming, borrowing, repaying or clearing assets.

Decentralized lending platforms commonly use a form of "collateralized lending": the borrower is required to pledge assets worth more than the loan as collateral to ensure that the lender has access to the collateral in the event that the debt cannot be repaid.