[ { "chain_id": 1, "shortcut": "ETH", "name": "Ethereum", "url": "https://www.ethereum.org" }, { "chain_id": 2, "shortcut": "EXP", "name": "Expanse", "url": "https://expanse.tech" }, { "chain_id": 3, "shortcut": "tETH", "name": "Ethereum Testnet/Ropsten", "url": "https://www.ethereum.org" }, { "chain_id": 4, "shortcut": "tETH", "name": "Ethereum Testnet/Rinkeby", "url": "https://www.ethereum.org" }, { "chain_id": 8, "shortcut": "UBQ", "name": "UBIQ", "url": "https://ubiqsmart.com" }, { "chain_id": 28, "shortcut": "ETSC", "name": "Ethereum Social", "url": "https://ethereumsocial.kr" }, { "chain_id": 30, "shortcut": "RSK", "name": "Rootstock", "url": "https://www.rsk.co" }, { "chain_id": 31, "shortcut": "tRSK", "name": "Rootstock Testnet", "url": "https://www.rsk.co" }, { "chain_id": 42, "shortcut": "tETH", "name": "Ethereum Testnet/Kovan", "url": "https://www.ethereum.org" }, { "chain_id": 61, "shortcut": "ETC", "name": "Ethereum Classic", "url": "https://ethereumclassic.github.io" }, { "chain_id": 62, "shortcut": "tETC", "name": "Ethereum Classic Testnet", "url": "https://ethereumclassic.github.io" }, { "chain_id": 1987, "shortcut": "EGEM", "name": "EtherGem", "url": "https://egem.io" } ]