Prometheus59 is officially listed on CryptoBridge under [P59] ticker:
https://wallet.crypto-bridge.org/market/BRIDGE.P59_BRIDGE.BTCTrade will start in a couple of hours.
Minimum amount to stake: 100 coins.
Masternode collateral: 1000 coins.
Shared masternode services will be added soon and will allow to generate profits with 1 coin only.
Not much trading activity since the announcement of exchange, The project dev should put up some buy order and start a series of bounty to create a market for the coin for a start.