nft-faucet/NftFaucet/wwwroot/appsettings.json

{
    "EthereumNetworks": [
        {
            "Id": "Ropsten",
            "Erc721ContractAddress": "0x71902F99902339d7ce1F994C12155f4350BCD226",
            "Erc1155ContractAddress": "0x80b45421881c0452A6e70148Fc928fA33107cEb3"
        },
        {
            "Id": "Kovan",
            "Erc721ContractAddress": "0x99ea658e02baDE18c43Af5Fa8c18cfF4f251E311",
            "Erc1155ContractAddress": "0xdBDD0377D1799910A4B0a4306F8d812265bF33Cb"
        },
        {
            "Id": "Rinkeby",
            "Erc721ContractAddress": "0x9F64932Be34D5D897C4253D17707b50921f372B6",
            "Erc1155ContractAddress": "0xf67C575502fc1cE399a3e1895dDf41847185D7bD"
        },
        {
            "Id": "Goerli",
            "Erc721ContractAddress": "0xC3E4214dd442136079dF06bb2529Bae276d37564",
            "Erc1155ContractAddress": "0x5807d7be82153F6a302d92199221090E3b78A3C3"
        },
        {
            "Id": "PolygonMumbai",
            "Erc721ContractAddress": "0xeE8272220A0988279627714144Ff6981E204fbE4",
            "Erc1155ContractAddress": "0x23147CdbD963A3D0fec0F25E4604844f477F65d2"
        }
    ],
    "IpfsGateways": [
        {
            "Id": "IpfsOfficial",
            "BaseUrl": "https://ipfs.io/ipfs"
        },
        {
            "Id": "Infura",
            "BaseUrl": "https://ipfs.infura.io/ipfs"
        },
        {
            "Id": "NftStorage",
            "BaseUrl": "https://nftstorage.link/ipfs"
        },
        {
            "Id": "Crust",
            "BaseUrl": "https://gw.crustapps.net/ipfs"
        }
    ]
}