diff --git a/ethcore/res/ethereum/ethercore.json b/ethcore/res/ethereum/ethercore.json
new file mode 100644
index 00000000000..f6d854f7b4c
--- /dev/null
+++ b/ethcore/res/ethereum/ethercore.json
@@ -0,0 +1,211 @@
+{
+	"name": "EtherCore",
+	"dataDir": "ethercore",
+	"engine": {
+		"Ethash": {
+			"params": {
+				"minimumDifficulty": "0x20000",
+				"difficultyBoundDivisor": "0x800",
+				"durationLimit": "0xd",
+				"blockReward": "0xde0b6b3a7640000",
+				"homesteadTransition": "0x0",
+				"eip100bTransition": "0x0",
+				"bombDefuseTransition":"0x0",
+				"ecip1017EraRounds":"0x5f5e100",
+				"progpowTransition": "0x0"
+			}
+		}
+	},
+	"params": {
+		"gasLimitBoundDivisor": "0x400",
+		"accountStartNonce": "0x0",
+		"maximumExtraDataSize": "0x20",
+		"minGasLimit": "0x1388",
+		"networkID": "0x1d2",
+		"eip150Transition": "0x0",
+		"eip160Transition": "0x0",
+		"eip161abcTransition": "0x0",
+		"eip161dTransition": "0x0",
+		"eip155Transition": "0x0",
+		"maxCodeSize":"0x6000",
+		"maxCodeSizeTransition":"0x0",
+		"eip140Transition": "0x0",
+		"eip211Transition": "0x0",
+		"eip214Transition": "0x0",
+		"eip658Transition": "0x0",
+		"eip145Transition": "0x0",
+		"eip1014Transition": "0x0",
+		"eip1052Transition": "0x0",
+		"eip1283Transition": "0x0",
+		"eip1344Transition": "0x0",
+		"eip1706Transition": "0x0",
+		"eip1884Transition": "0x0",
+		"eip2028Transition": "0x0"
+	},
+	"genesis": {
+		"seal": {
+			"ethereum": {
+				"nonce": "0x0000000000000042",
+				"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+			}
+		},
+		"difficulty": "0x80000",
+		"author": "0x0000000000000000000000000000000000000000",
+		"timestamp": "0x5e0be100",
+		"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		"extraData": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		"gasLimit": "0x7a1200"
+	},
+	"nodes": [
+		"enode://dfcfd268e7d4631cec5a94d7eeb5981a2ed3f30235c774e1bf0a4e843672405e5a1c93502e1631edf108b6f1ea8701fb97e6d892eb5e3775c70dc53b2f773b9f@207.148.105.65:30303",
+		"enode://6c67afac3a018ee5641b0aba996f180fbb718aa7857174cad568b00440a43cccb1845124cd1cbe43c7ce1e95d597a3d20d175f0bf8494d875e83ec15e0f42cb4@207.148.105.65:30503"
+	],
+	"accounts": {
+		"0x0000000000000000000000000000000000000001":{
+			"builtin":{
+				"name":"ecrecover",
+				"pricing":{
+					"linear":{
+						"base":3000,
+						"word":0
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000002":{
+			"builtin":{
+				"name":"sha256",
+				"pricing":{
+					"linear":{
+						"base":60,
+						"word":12
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000003":{
+			"builtin":{
+				"name":"ripemd160",
+				"pricing":{
+					"linear":{
+						"base":600,
+						"word":120
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000004":{
+			"builtin":{
+				"name":"identity",
+				"pricing":{
+					"linear":{
+						"base":15,
+						"word":3
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000005":{
+			"builtin":{
+				"activate_at":"0x0",
+				"name":"modexp",
+				"pricing":{
+					"modexp":{
+						"divisor":20
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000006":{
+			"builtin":{
+				"name":"alt_bn128_add",
+				"pricing":{
+					"0x0":{
+						"price":{
+							"alt_bn128_const_operations":{
+								"price":500
+							}
+						}
+					},
+					"0xbe10b":{
+						"info":"EIP 1108 transition",
+						"price":{
+							"alt_bn128_const_operations":{
+								"price":150
+							}
+						}
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000007":{
+			"builtin":{
+				"name":"alt_bn128_mul",
+				"pricing":{
+					"0x0":{
+						"price":{
+							"alt_bn128_const_operations":{
+								"price":40000
+							}
+						}
+					},
+					"0xbe10b":{
+						"info":"EIP 1108 transition",
+						"price":{
+							"alt_bn128_const_operations":{
+								"price":6000
+							}
+						}
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000008":{
+			"builtin":{
+				"name":"alt_bn128_pairing",
+				"pricing":{
+					"0x0":{
+						"price":{
+							"alt_bn128_pairing":{
+								"base":100000,
+								"pair":80000
+							}
+						}
+					},
+					"0xbe10b":{
+						"info":"EIP 1108 transition",
+						"price":{
+							"alt_bn128_pairing":{
+								"base":45000,
+								"pair":34000
+							}
+						}
+					}
+				}
+			}
+		},
+		"0x0000000000000000000000000000000000000009": {
+			"builtin": {
+				"name": "blake2_f",
+				"activate_at": "0x0",
+				"pricing": {
+					"blake2_f": {
+						"gas_per_round": 1
+					}
+				}
+			}
+		},
+		"0xaf6F001FdB3CD98CD38A3f6C7306706D98689dF0": {
+			"balance": "0x295be96e64066972000000"
+		},
+		"0xf182a7D9e7789E82e362A98eBC5fCAcdC2904182": {
+			"balance": "0x295be96e64066972000000"
+		},
+		"0x5A23b7d2ee9dccbb7C33103d22852e1cC88548b2": {
+			"balance": "0xf8277896582678ac000000"
+		},
+		"0x22e0176a4aDD34A2a32B4423437B6cf23F7dc638": {
+			"balance": "0x6342fd08f00f6378000000"
+		}
+	}
+}
diff --git a/ethcore/spec/src/chain.rs b/ethcore/spec/src/chain.rs
index 38aa6587620..b037c023d2e 100644
--- a/ethcore/spec/src/chain.rs
+++ b/ethcore/spec/src/chain.rs
@@ -75,6 +75,7 @@ bundle_release_spec! {
 	"ethereum/musicoin" => new_musicoin,
 	"ethereum/poacore" => new_poanet,
 	"ethereum/xdai" => new_xdai,
+	"ethereum/ethercore" => new_ethercore,
 	"ethereum/poasokol" => new_sokol,
 	"ethereum/rinkeby" => new_rinkeby,
 	"ethereum/ropsten" => new_ropsten,
diff --git a/parity/cli/mod.rs b/parity/cli/mod.rs
index caecc9bdfaa..b49ac6cebb9 100644
--- a/parity/cli/mod.rs
+++ b/parity/cli/mod.rs
@@ -300,7 +300,7 @@ usage! {
 
 			ARG arg_chain: (String) = "foundation", or |c: &Config| c.parity.as_ref()?.chain.clone(),
 			"--chain=[CHAIN]",
-			"Specify the blockchain type. CHAIN may be either a JSON chain specification file or ethereum, classic, poacore, xdai, volta, ewc, musicoin, ellaism, mix, callisto, morden, mordor, ropsten, kovan, rinkeby, goerli, kotti, poasokol, testnet, evantestcore, evancore or dev.",
+			"Specify the blockchain type. CHAIN may be either a JSON chain specification file or ethereum, classic, poacore, xdai, volta, ewc, musicoin, ellaism, mix, callisto, ethercore, morden, mordor, ropsten, kovan, rinkeby, goerli, kotti, poasokol, testnet, evantestcore, evancore or dev.",
 
 			ARG arg_keys_path: (String) = "$BASE/keys", or |c: &Config| c.parity.as_ref()?.keys_path.clone(),
 			"--keys-path=[PATH]",
diff --git a/parity/params.rs b/parity/params.rs
index 99debe7a0b8..4526def3b5d 100644
--- a/parity/params.rs
+++ b/parity/params.rs
@@ -43,6 +43,7 @@ pub enum SpecType {
 	Ellaism,
 	Mix,
 	Callisto,
+	EtherCore,
 	Morden,
 	Mordor,
 	Ropsten,
@@ -78,6 +79,7 @@ impl str::FromStr for SpecType {
 			"ellaism" => SpecType::Ellaism,
 			"mix" => SpecType::Mix,
 			"callisto" => SpecType::Callisto,
+			"ethercore" => SpecType::EtherCore,
 			"morden" => SpecType::Morden,
 			"mordor" | "classic-testnet" => SpecType::Mordor,
 			"ropsten" => SpecType::Ropsten,
@@ -108,6 +110,7 @@ impl fmt::Display for SpecType {
 			SpecType::Ellaism => "ellaism",
 			SpecType::Mix => "mix",
 			SpecType::Callisto => "callisto",
+			SpecType::EtherCore => "ethercore",
 			SpecType::Morden => "morden",
 			SpecType::Mordor => "mordor",
 			SpecType::Ropsten => "ropsten",
@@ -138,6 +141,7 @@ impl SpecType {
 			SpecType::Ellaism => Ok(spec::new_ellaism(params)),
 			SpecType::Mix => Ok(spec::new_mix(params)),
 			SpecType::Callisto => Ok(spec::new_callisto(params)),
+			SpecType::EtherCore => Ok(spec::new_ethercore(params)),
 			SpecType::Morden => Ok(spec::new_morden(params)),
 			SpecType::Mordor => Ok(spec::new_mordor(params)),
 			SpecType::Ropsten => Ok(spec::new_ropsten(params)),
@@ -397,6 +401,7 @@ mod tests {
 		assert_eq!(SpecType::Ellaism, "ellaism".parse().unwrap());
 		assert_eq!(SpecType::Mix, "mix".parse().unwrap());
 		assert_eq!(SpecType::Callisto, "callisto".parse().unwrap());
+		assert_eq!(SpecType::EtherCore, "ethercore".parse().unwrap());
 		assert_eq!(SpecType::Morden, "morden".parse().unwrap());
 		assert_eq!(SpecType::Mordor, "mordor".parse().unwrap());
 		assert_eq!(SpecType::Mordor, "classic-testnet".parse().unwrap());
@@ -430,6 +435,7 @@ mod tests {
 		assert_eq!(format!("{}", SpecType::Ellaism), "ellaism");
 		assert_eq!(format!("{}", SpecType::Mix), "mix");
 		assert_eq!(format!("{}", SpecType::Callisto), "callisto");
+		assert_eq!(format!("{}", SpecType::EtherCore), "ethercore");
 		assert_eq!(format!("{}", SpecType::Morden), "morden");
 		assert_eq!(format!("{}", SpecType::Mordor), "mordor");
 		assert_eq!(format!("{}", SpecType::Ropsten), "ropsten");