PAPR

PAPR

PAPR is an NFT lending protocol powered by Uniswap V3. The contract uses the market price of its token to determine interest owed by borrowers, which is paid through the appreciation in the price of papr tokens. This creates a perpetual feedback loop between supply, demand, and the token price on Uniswap to discover the optimal APR for loans.
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Description

Papr interest rates and the papr trading price are in a constant feedback loop. Interest rates are programmatically updated on chain as a function of papr's trading price on Uniswap (the lower the trading price, the higher the interest to borrowers), and interest rates in turn affect the trading price, as borrowers ope. Interest accrues to the value of papr itself: over time, new borrowers are allowed less papr for the exact same collateral. When closing a loan, borrowers repay the exact same amount of papr that they minted. However, due to interest charges, it is expected that the market value of papr will have risen since they opened their loan. As a token, papr is traded external to the protocol. This means its price can incorporate external forces or new information in the market, accurately reflecting the sentiment of the market in real time. Loans have a max LTV of 50%. That means that the total debt owed — the principal plus interest — cannot exceed 50% of the collateral NFT's floor value. This is calculated based on the 30-day time-weighted average floor listing, which can change over the life of a loan.