{
  "name": "ropsten",
  "chainId": 3,
  "networkId": 3,
  "comment": "PoW test network",
  "url": "https://github.com/ethereum/ropsten",
  "genesis": {
    "hash": "0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d",
    "timestamp": null,
    "gasLimit": 16777216,
    "difficulty": 1048576,
    "nonce": "0x0000000000000042",
    "extraData": "0x3535353535353535353535353535353535353535353535353535353535353535",
    "stateRoot": "0x217b0bbcfb72e2d57e28f33cb361b9983513177755dc3f33ce3e7022ed62b77b"
  },
  "hardforks": [
    {
      "name": "chainstart",
      "block": 0,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "homestead",
      "block": 0,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "dao",
      "block": null,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "tangerineWhistle",
      "block": 0,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "spuriousDragon",
      "block": 10,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "byzantium",
      "block": 1700000,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "constantinople",
      "block": null,
      "consensus": "pow",
      "finality": null
    },
    {
      "name": "hybridCasper",
      "block": null,
      "consensus": "pow",
      "finality": "pos"
    }
  ],
  "bootstrapNodes": [
    {
    "ip": "52.176.7.10",
    "port": "30303",
    "id": "30b7ab30a01c124a6cceca36863ece12c4f5fa68e3ba9b0b51407ccc002eeed3b3102d20a88f1c1d3c3154e2449317b8ef95090e77b312d5cc39354f86d5d606",
    "network": "Ropsten",
    "chainId": 3,
    "location": "US",
    "comment": "US-Azure geth"
   },
   {
    "ip": "52.176.100.77",
    "port": "30303",
    "id": "865a63255b3bb68023b6bffd5095118fcc13e79dcf014fe4e47e065c350c7cc72af2e53eff895f11ba1bbb6a2b33271c1116ee870f266618eadfc2e78aa7349c",
    "network": "Ropsten",
    "chainId": 3,
    "location": "US",
    "comment": "US-Azure parity"
   },
   {
    "ip": "52.232.243.152",
    "port": "30303",
    "id": "6332792c4a00e3e4ee0926ed89e0d27ef985424d97b6a45bf0f23e51f0dcb5e66b875777506458aea7af6f9e4ffb69f43f3778ee73c81ed9d34c51c4b16b0b0f",
    "network": "Ropsten",
    "chainId": 3,
    "location": "US",
    "comment": "Parity"
   },
   {
    "ip": "192.81.208.223",
    "port": "30303",
    "id": "94c15d1b9e2fe7ce56e458b9a3b672ef11894ddedd0c6f247e0f1d3487f52b66208fb4aeb8179fce6e3a749ea93ed147c37976d67af557508d199d9594c35f09",
    "network": "Ropsten",
    "chainId": 3,
    "location": "US",
    "comment": "@gpip"
   }
  ]
}