Cairo implementation of CRISP by FrankieIsLost: https://www.paradigm.xyz/2022/01/constant-rate-issuance-sales-protocol
ELI5: NFT issuer sets a target rate of NFT sales per block. If the actual rate of NFT sales trends above the target rate, price will increase to adjust for the demand. Conversely, if the actual yrate of NFT sales trends below the target rate, price will decrease.
