Prosper Prosper (PROS) is a cryptocurrency and operates on the EthereumEthereumEthereum is an open source, public, blockchain-based distributed computing platform and operating system featuring smart contract functionality. It supports a modified version of Nakamoto consensus via transaction-based state transitions.en.wikipedia.org platform. Prosper has a current supply of 100,000,000 with 3,891,300 in circulation. The last known price of Prosper is 0.45139698 USD and is up 0.00 over the last 24 hours. It is currently trading on 1 active market (s) with $2,487,100.39 traded over the last 24 hours.