"From Bitcointalk Website" ProCoin is the fun, easy-to-use cryptocurrency designed for business, charitable giving, and for just plain having a good time. Anyone can benefit from using ProCoin to take payments. ProCoin uses its own fast network to make buying and selling easy. There’s no application, monthly fees, or network costs! ProCoin is completely free to use.
https://coinmarketcap.com/currencies/procoin/ https://bitcointalk.org/index.php?topic=511678.0 http://www.teamprocoin.com/