. The most open source betting protocol. PolyCash is a P2P blockchain platform for wallets, asset issuance, bonds and games. PolyCash is a P2P blockchain platform for wallets, asset issuance, bonds and games. 23 Followers, 4 Following, 2 Posts - See Instagram photos and videos from BetStar Exchange Casino (@betstarexchange). The most open source betting protocol. Javascript cryptography prng gambling. The most open source betting protocol. 23 Followers, 4 Following, 2 Posts - See Instagram photos and videos from BetStar Exchange Casino (@betstarexchange). Javascript cryptography prng gambling. Javascript cryptography prng gambling. 23 Followers, 4 Following, 2 Posts - See Instagram photos and videos from BetStar Exchange Casino (@betstarexchange). PolyCash is a P2P blockchain platform for wallets, asset issuance, bonds and games.