unified-node-open-mining-portal/coins/21coin.json

An extremely efficient, highly scalable, all-in-one, easy to setup cryptocurrency mining pool

{
    "name": "21coin",
    "symbol": "21",
    "algorithm": "sha256",                                                                                                                                                         │·····································
    "peerMagic": "21212121",                                                                                                                                             │·····································
    "peerMagicTestnet": "01fefe05"
}