diff --git a/VERSION.FUSE.txt b/VERSION.FUSE.txt
new file mode 100644
index 00000000000..8b2dd6c36f4
--- /dev/null
+++ b/VERSION.FUSE.txt
@@ -0,0 +1 @@
+4.0.5
\ No newline at end of file
diff --git a/src/Nethermind/Chains/fuse.json b/src/Nethermind/Chains/fuse.json
new file mode 100644
index 00000000000..da26f3fc3eb
--- /dev/null
+++ b/src/Nethermind/Chains/fuse.json
@@ -0,0 +1,79 @@
+{
+  "name": "FuseNetwork",
+  "engine": {
+    "authorityRound": {
+      "params": {
+        "stepDuration": "5",
+        "blockReward": "0x0",
+        "blockRewardContractAddress": "0x63D4efeD2e3dA070247bea3073BCaB896dFF6C9B",
+        "blockRewardContractTransition": 100,
+        "validators": {
+          "multi": {
+            "0": {
+              "list": ["0xd9176e84898a0054680aec3f7c056b200c3d96c3"]
+            },
+            "100": {
+              "safeContract": "0x3014ca10b91cb3D0AD85fEf7A3Cb95BCAc9c0f79"
+            }
+          }
+        }
+      }
+    }
+  },
+  "params": {
+    "gasLimitBoundDivisor": "0x400",
+    "maximumExtraDataSize": "0x20",
+    "minGasLimit": "0x1388",
+    "networkID" : "0x07a",
+    "eip155Transition": 0,
+    "validateChainIdTransition": 0,
+    "eip140Transition": 0,
+    "eip211Transition": 0,
+    "eip214Transition": 0,
+    "eip658Transition": 0,
+    "eip150Transition": "0x0",
+    "eip160Transition": "0x0",
+    "eip161abcTransition": "0x0",
+    "eip161dTransition": "0x0",
+    "eip98Transition": "0x7fffffffffffff",
+    "eip145Transition": "0x38ada7",
+    "eip1014Transition": "0x38ada7",
+    "eip1052Transition": "0x38ada7",
+    "eip1283Transition": "0xd29240",
+    "eip1344Transition": "0xd29240",
+    "eip1706Transition": "0xd29240",
+    "eip1884Transition": "0xd29240",
+    "eip2028Transition": "0xd29240",
+    "eip2929Transition": "0xd29240",
+    "eip2930Transition": "0xd29240",
+    "maxCodeSize": 24576,
+    "maxCodeSizeTransition": "0x0"
+  },
+  "genesis": {
+    "seal": {
+      "authorityRound": {
+        "step": "0x0",
+        "signature": "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+      }
+    },
+    "difficulty": "0x20000",
+    "gasLimit": "0x989680"
+  },
+  "nodes": [
+    "enode://c78e7cce5e84a3a6c723d10dc40a033ad50dbc835b3a1f1d85b1a4f299afe8e3a8112fe26b045e23370bbf22c179d0d9f6e4f8302bf72dea67fa3b684232d6eb@3.125.148.125:30303",
+    "enode://0690b49d2de17516e8776df4cd171da148769e43e9ac0c9b1ef6e9f6f6a983f5d508ce44bbb6e974c663611c3c03492cdf3d6838907e0ce392c125741912d8a5@3.121.55.130:30303",
+    "enode://7bc2e851cad345437984d6550b1b98d7029b694f2793e2c592637a793b243760060a5a3e00d6212b75f1c534a97b41d532221071242d01116e9ff3c8dcc95672@95.217.1.4:30303"
+  ],
+  "accounts": {
+      "0x0000000000000000000000000000000000000001": { "balance": "1", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
+      "0x0000000000000000000000000000000000000002": { "balance": "1", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
+      "0x0000000000000000000000000000000000000003": { "balance": "1", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
+      "0x0000000000000000000000000000000000000004": { "balance": "1", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
+      "0x0000000000000000000000000000000000000005": { "builtin": { "name": "modexp", "pricing": { "0": { "price": { "modexp": { "divisor": 20 } } }, "0xd29240": { "info": "EIP-2565: ModExp Gas Cost.", "price": { "modexp2565": {} } } } } },
+      "0x0000000000000000000000000000000000000006": { "builtin": { "name": "alt_bn128_add", "pricing": { "0": { "price": { "alt_bn128_const_operations": { "price": 500 } } }, "0xd29240": { "info": "EIP-1108 Istanbul HF", "price": { "alt_bn128_const_operations": { "price": 150 } } } } } },
+      "0x0000000000000000000000000000000000000007": { "builtin": { "name": "alt_bn128_mul", "pricing": { "0": { "price": { "alt_bn128_const_operations": { "price": 4000 } } }, "0xd29240": { "info": "EIP-1108 Istanbul HF", "price": { "alt_bn128_const_operations": { "price": 6000 } } } } } },
+      "0x0000000000000000000000000000000000000008": { "builtin": { "name": "alt_bn128_pairing", "pricing": { "0": { "price": { "alt_bn128_pairing": { "base": 100000, "pair": 80000 } } }, "0xd29240": { "info": "EIP-1108 Istanbul HF", "price": { "alt_bn128_pairing": { "base": 45000, "pair": 34000 } } } } } },
+      "0x0000000000000000000000000000000000000009": { "builtin": { "name": "blake2_f", "pricing": { "0xd29240": { "info": "EIP-152 Istanbul HF", "price": { "blake2_f": { "gas_per_round": 1 } } } } } },
+      "0xd9176e84898a0054680aec3f7c056b200c3d96c3": { "balance": "300000000000000000000000000" }
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Chains/spark.json b/src/Nethermind/Chains/spark.json
new file mode 100644
index 00000000000..d5fce97ed0d
--- /dev/null
+++ b/src/Nethermind/Chains/spark.json
@@ -0,0 +1,155 @@
+{
+  "name": "FuseNetwork",
+  "engine": {
+    "authorityRound": {
+      "params": {
+        "stepDuration": "5",
+        "blockReward": "0x0",
+        "blockRewardContractAddress": "0x52B9b9585e1b50DA5600f7dbD94E9fE68943162c",
+        "blockRewardContractTransition": 1000,
+        "validators": {
+          "multi": {
+            "0": {
+              "list": ["0xba7829b381f07cca0d186bdf619fdc6c7f756d0a"]
+            },
+            "1000": {
+              "safeContract": "0xC8c3a332f9e4CE6bfFFcf967026cB006Db2311c7"
+            },
+            "6905799": {
+              "list": [
+                "0x379e81df609e8235c9026f25a379d49a27b10d30",
+                "0xba7829b381f07cca0d186bdf619fdc6c7f756d0a",
+                "0xe4cc9b2836ba373c3ccf473cbb15ed07007963ee",
+                "0xbc048d3064fd912b40a9aadcf67a14fd4601db77"
+              ]
+            },
+            "6910120": {
+              "safeContract": "0xC8c3a332f9e4CE6bfFFcf967026cB006Db2311c7"
+            },
+            "6925000": {
+              "list": [
+                "0x379e81df609e8235c9026f25a379d49a27b10d30",
+                "0xba7829b381f07cca0d186bdf619fdc6c7f756d0a",
+                "0xe4cc9b2836ba373c3ccf473cbb15ed07007963ee",
+                "0xbc048d3064fd912b40a9aadcf67a14fd4601db77"
+              ]
+            },
+            "13608000": {
+              "list": [
+                "0xba7829b381f07cca0d186bdf619fdc6c7f756d0a",
+                "0xe4cc9b2836ba373c3ccf473cbb15ed07007963ee",
+                "0xbc048d3064fd912b40a9aadcf67a14fd4601db77"
+              ]
+            },
+            "13639200": {
+              "safeContract": "0x8C682051D70301A0ca913Ce0A0e71539702E1122"
+            }
+          }
+        },
+        "blockRewardContractTransitions": {
+          "13639200": "0xEa2151b6095CB76ECc57A57DE166728dd9b53Ed9"
+        }
+      }
+    }
+  },
+  "params": {
+    "gasLimitBoundDivisor": "0x400",
+    "maximumExtraDataSize": "0x20",
+    "minGasLimit": "0x1388",
+    "networkID": "0x07b",
+    "eip155Transition": 0,
+    "validateChainIdTransition": 0,
+    "eip140Transition": 0,
+    "eip211Transition": 0,
+    "eip214Transition": 0,
+    "eip658Transition": 0,
+    "eip150Transition": "0x0",
+    "eip160Transition": "0x0",
+    "eip161abcTransition": "0x0",
+    "eip161dTransition": "0x0",
+    "eip98Transition": "0x7fffffffffffff",
+    "eip145Transition": "0x6bf64",
+    "eip1014Transition": "0x6bf64",
+    "eip1052Transition": "0x6bf64",
+    "eip1283Transition": "0x13d620",
+    "eip1344Transition": "0x13d620",
+    "eip1706Transition": "0x13d620",
+    "eip1884Transition": "0x13d620",
+    "eip2028Transition": "0x13d620",
+    "eip2929Transition": "0x13d620",
+    "eip2930Transition": "0x13d620",
+    "maxCodeSize": 24576,
+    "maxCodeSizeTransition": "0x0"
+  },
+  "genesis": {
+    "seal": {
+      "authorityRound": {
+        "step": "0x0",
+        "signature": "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
+      }
+    },
+    "difficulty": "0x20000",
+    "gasLimit": "0x5F5E100"
+  },
+  "accounts": {
+    "0x0000000000000000000000000000000000000001": {
+      "balance": "1",
+      "builtin": {
+        "name": "ecrecover",
+        "pricing": { "linear": { "base": 3000, "word": 0 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000002": {
+      "balance": "1",
+      "builtin": {
+        "name": "sha256",
+        "pricing": { "linear": { "base": 60, "word": 12 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000003": {
+      "balance": "1",
+      "builtin": {
+        "name": "ripemd160",
+        "pricing": { "linear": { "base": 600, "word": 120 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000004": {
+      "balance": "1",
+      "builtin": {
+        "name": "identity",
+        "pricing": { "linear": { "base": 15, "word": 3 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000005": {
+      "builtin": {
+        "name": "modexp",
+        "activate_at": 0,
+        "pricing": { "modexp": { "divisor": 20 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000006": {
+      "builtin": {
+        "name": "alt_bn128_add",
+        "activate_at": 0,
+        "pricing": { "linear": { "base": 500, "word": 0 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000007": {
+      "builtin": {
+        "name": "alt_bn128_mul",
+        "activate_at": 0,
+        "pricing": { "linear": { "base": 40000, "word": 0 } }
+      }
+    },
+    "0x0000000000000000000000000000000000000008": {
+      "builtin": {
+        "name": "alt_bn128_pairing",
+        "activate_at": 0,
+        "pricing": { "alt_bn128_pairing": { "base": 100000, "pair": 80000 } }
+      }
+    },
+    "0xba7829b381f07cca0d186bdf619fdc6c7f756d0a": {
+      "balance": "300000000000000000000000000"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Nethermind.Init/Steps/InitializeBlockchain.cs b/src/Nethermind/Nethermind.Init/Steps/InitializeBlockchain.cs
index f87e07b38f7..526ba1461f6 100644
--- a/src/Nethermind/Nethermind.Init/Steps/InitializeBlockchain.cs
+++ b/src/Nethermind/Nethermind.Init/Steps/InitializeBlockchain.cs
@@ -27,6 +27,7 @@
 using Nethermind.Db.FullPruning;
 using Nethermind.Evm;
 using Nethermind.Evm.TransactionProcessing;
+using Nethermind.JsonRpc;
 using Nethermind.JsonRpc.Converters;
 using Nethermind.JsonRpc.Modules.DebugModule;
 using Nethermind.JsonRpc.Modules.Eth.GasPrice;
@@ -69,6 +70,7 @@ protected virtual Task InitBlockchain()
 
             IInitConfig initConfig = getApi.Config<IInitConfig>();
             IBlocksConfig blocksConfig = getApi.Config<IBlocksConfig>();
+            IJsonRpcConfig jsonRpcConfig = getApi.Config<IJsonRpcConfig>();
 
             IStateReader stateReader = setApi.StateReader!;
             ITxPool txPool = _api.TxPool = CreateTxPool();
@@ -101,7 +103,7 @@ protected virtual Task InitBlockchain()
             setApi.TxSender = new TxPoolSender(txPool, nonceReservingTxSealer, nonceManager, getApi.EthereumEcdsa!);
 
             setApi.TxPoolInfoProvider = new TxPoolInfoProvider(chainHeadInfoProvider.AccountStateProvider, txPool);
-            setApi.GasPriceOracle = new GasPriceOracle(getApi.BlockTree!, getApi.SpecProvider, _api.LogManager, blocksConfig.MinGasPrice);
+            setApi.GasPriceOracle = new GasPriceOracle(getApi.BlockTree!, getApi.SpecProvider, _api.LogManager, blocksConfig.MinGasPrice, jsonRpcConfig.UseMinGasPriceInEstimates);
             IBlockProcessor mainBlockProcessor = setApi.MainBlockProcessor = CreateBlockProcessor();
 
             BlockchainProcessor blockchainProcessor = new(
diff --git a/src/Nethermind/Nethermind.JsonRpc/IJsonRpcConfig.cs b/src/Nethermind/Nethermind.JsonRpc/IJsonRpcConfig.cs
index c50477df65f..d5d991084d8 100644
--- a/src/Nethermind/Nethermind.JsonRpc/IJsonRpcConfig.cs
+++ b/src/Nethermind/Nethermind.JsonRpc/IJsonRpcConfig.cs
@@ -106,6 +106,11 @@ public interface IJsonRpcConfig : IConfig
     [ConfigItem(Description = "The max length of HTTP request body, in bytes.", DefaultValue = "30000000")]
     long? MaxRequestBodySize { get; set; }
 
+    [ConfigItem(
+            Description = "Set a lower limit for GetGasPriceEstimate. This ensure rpc calls to eth_gasPrice are never below the limit set by MiningConfig.MinGasPrice",
+            DefaultValue = "false")]
+    bool UseMinGasPriceInEstimates { get; set; }
+
     [ConfigItem(
         Description = """
             The number of concurrent instances for non-sharable calls:
diff --git a/src/Nethermind/Nethermind.JsonRpc/JsonRpcConfig.cs b/src/Nethermind/Nethermind.JsonRpc/JsonRpcConfig.cs
index 79bdf2dd36c..510a8d03b17 100644
--- a/src/Nethermind/Nethermind.JsonRpc/JsonRpcConfig.cs
+++ b/src/Nethermind/Nethermind.JsonRpc/JsonRpcConfig.cs
@@ -54,6 +54,7 @@ public int WebSocketsPort
         public string[] EngineEnabledModules { get; set; } = ModuleType.DefaultEngineModules.ToArray();
         public int MaxBatchSize { get; set; } = 1024;
         public long? MaxBatchResponseBodySize { get; set; } = 30.MB();
+        public bool UseMinGasPriceInEstimates { get; set; } = false;
     };
 };
 
diff --git a/src/Nethermind/Nethermind.JsonRpc/Modules/Eth/GasPrice/GasPriceOracle.cs b/src/Nethermind/Nethermind.JsonRpc/Modules/Eth/GasPrice/GasPriceOracle.cs
index 47242f2e164..41c498403f0 100644
--- a/src/Nethermind/Nethermind.JsonRpc/Modules/Eth/GasPrice/GasPriceOracle.cs
+++ b/src/Nethermind/Nethermind.JsonRpc/Modules/Eth/GasPrice/GasPriceOracle.cs
@@ -19,6 +19,7 @@ public class GasPriceOracle : IGasPriceOracle
         private readonly IBlockFinder _blockFinder;
         private readonly ILogger _logger;
         private readonly UInt256 _minGasPrice;
+        private readonly bool _UseMinGasPrice;
         internal PriceCache _gasPriceEstimation;
         internal PriceCache _maxPriorityFeePerGasEstimation;
         private UInt256 FallbackGasPrice(in UInt256? baseFeePerGas = null) => _gasPriceEstimation.LastPrice ?? GetMinimumGasPrice(baseFeePerGas ?? UInt256.Zero);
@@ -32,11 +33,13 @@ public GasPriceOracle(
             IBlockFinder blockFinder,
             ISpecProvider specProvider,
             ILogManager logManager,
-            UInt256? minGasPrice = null)
+            UInt256? minGasPrice = null,
+            bool useMinGasPrice = false)
         {
             _blockFinder = blockFinder;
             _logger = logManager.GetClassLogger();
             _minGasPrice = minGasPrice ?? new BlocksConfig().MinGasPrice;
+            _UseMinGasPrice = useMinGasPrice;
             SpecProvider = specProvider;
         }
 
@@ -56,6 +59,10 @@ public UInt256 GetGasPriceEstimate()
 
             IEnumerable<UInt256> txGasPrices = GetSortedGasPricesFromRecentBlocks(headBlock.Number);
             UInt256 gasPriceEstimate = GetGasPriceAtPercentile(txGasPrices.ToList()) ?? GetMinimumGasPrice(headBlock.BaseFeePerGas);
+            if (_UseMinGasPrice == true)
+            {
+                gasPriceEstimate = UInt256.Max(gasPriceEstimate, GetMinimumGasPrice(headBlock.BaseFeePerGas));
+            }
             gasPriceEstimate = UInt256.Min(gasPriceEstimate!, EthGasPriceConstants.MaxGasPrice);
             _gasPriceEstimation.Set(headBlockHash, gasPriceEstimate);
             return gasPriceEstimate!;
diff --git a/src/Nethermind/Nethermind.Runner/configs/fuse.cfg b/src/Nethermind/Nethermind.Runner/configs/fuse.cfg
new file mode 100644
index 00000000000..c7e9966d44f
--- /dev/null
+++ b/src/Nethermind/Nethermind.Runner/configs/fuse.cfg
@@ -0,0 +1,54 @@
+{
+  "Init": {
+    "DiscoveryEnabled": true,
+    "WebSocketsEnabled": false,
+    "StoreReceipts" : true,
+    "ChainSpecPath": "chainspec/fuse.json",
+    "BaseDbPath": "nethermind_db/fuse",
+    "LogFileName": "fuse.logs.txt"
+  },
+  "Sync": {
+    "FastSync": true,
+    "PivotNumber": 27600000,
+    "PivotHash": "0x7181ad9fa9b8317c886668a1fa7738de280cf8fcf09bc45d99fbd6e92b0744aa",
+    "PivotTotalDifficulty": "9391793327017901591589139165116802635816949662",
+    "FastBlocks": true,
+    "UseGethLimitsInFastBlocks": false,
+    "FastSyncCatchUpHeightDelta": 10000000000
+  },
+  "Network": {
+    "DiscoveryPort": 30303,
+    "P2PPort": 30303,
+    "LocalIp": "0.0.0.0",
+    "ExternalIp": "0.0.0.0"
+  },
+  "JsonRpc": {
+    "Enabled": true,
+    "Timeout": 20000,
+    "Host": "0.0.0.0",
+    "Port": 8545,
+    "WebSocketsPort": 8546,
+    "UseMinGasPriceInEstimates": true
+   },
+  "Metrics": {
+    "NodeName": "Fuse"
+  },
+  "Bloom": {
+    "IndexLevelBucketSizes": [
+      16,
+      16,
+      16
+    ]
+  },
+  "Pruning": {
+    "Enabled": true,
+    "CacheMb": 1024,
+    "PersistenceInterval": 16384
+  },
+  "Mining": {
+    "MinGasPrice": "10000000000"
+  },
+  "Merge": {
+    "Enabled": false
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Nethermind.Runner/configs/fuse_archive.cfg b/src/Nethermind/Nethermind.Runner/configs/fuse_archive.cfg
new file mode 100644
index 00000000000..b164d812fe9
--- /dev/null
+++ b/src/Nethermind/Nethermind.Runner/configs/fuse_archive.cfg
@@ -0,0 +1,43 @@
+{
+  "Init": {
+    "DiscoveryEnabled": true,
+    "WebSocketsEnabled": true,
+    "StoreReceipts" : true,
+    "ChainSpecPath": "chainspec/fuse.json",
+    "BaseDbPath": "nethermind_db/fuse_archive",
+    "LogFileName": "fuse_archive.logs.txt"
+  },
+  "Network": {
+    "DiscoveryPort": 30303,
+    "P2PPort": 30303,
+    "LocalIp": "0.0.0.0",
+    "ExternalIp": "0.0.0.0"
+  },
+  "JsonRpc": {
+        "Enabled": true,
+        "Timeout": 20000,
+        "Host": "0.0.0.0",
+        "Port": 8545,
+        "WebSocketsPort": 8546,
+        "UseMinGasPriceInEstimates": true
+   },
+  "Metrics": {
+    "NodeName": "Fuse_archive"
+  },
+  "Bloom": {
+    "IndexLevelBucketSizes": [
+      16,
+      16,
+      16
+    ]
+  },
+  "Pruning": {
+    "Mode": "None"
+  },
+  "Mining": {
+    "MinGasPrice": "10000000000"
+  },
+  "Merge": {
+    "Enabled": false
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Nethermind.Runner/configs/fuse_validator.cfg b/src/Nethermind/Nethermind.Runner/configs/fuse_validator.cfg
new file mode 100644
index 00000000000..fa318875253
--- /dev/null
+++ b/src/Nethermind/Nethermind.Runner/configs/fuse_validator.cfg
@@ -0,0 +1,56 @@
+{
+  "Init": {
+    "DiscoveryEnabled": true,
+    "WebSocketsEnabled": false,
+    "StoreReceipts" : false,
+    "IsMining": true,
+    "ChainSpecPath": "chainspec/fuse.json",
+    "BaseDbPath": "nethermind_db/fuse",
+    "LogFileName": "fuse_validator.logs.txt"
+  },
+  "Sync": {
+    "FastSync": true,
+    "PivotNumber": 27600000,
+    "PivotHash": "0x7181ad9fa9b8317c886668a1fa7738de280cf8fcf09bc45d99fbd6e92b0744aa",
+    "PivotTotalDifficulty": "9391793327017901591589139165116802635816949662",
+    "FastBlocks": true,
+    "UseGethLimitsInFastBlocks": false,
+    "FastSyncCatchUpHeightDelta": 10000000000
+  },
+  "Network": {
+    "DiscoveryPort": 30303,
+    "P2PPort": 30303,
+    "LocalIp": "0.0.0.0",
+    "ExternalIp": "0.0.0.0"
+  },
+  "JsonRpc": {
+        "Enabled": true,
+        "Timeout": 20000,
+        "Host": "127.0.0.1",
+        "Port": 8545,
+        "UseMinGasPriceInEstimates": true
+   },
+  "Metrics": {
+    "NodeName": "Fuse"
+  },
+  "Bloom": {
+    "IndexLevelBucketSizes": [
+      16,
+      16,
+      16
+    ]
+  },
+  "Pruning": {
+    "Enabled": true,
+    "CacheMb": 512,
+    "PersistenceInterval": 16384
+  },
+  "Mining": {
+    "Enabled": true,
+    "MinGasPrice": "10000000000",
+    "TargetBlockGasLimit": "20000000"
+  },
+  "Merge": {
+    "Enabled": false
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Nethermind.Runner/configs/spark.cfg b/src/Nethermind/Nethermind.Runner/configs/spark.cfg
new file mode 100644
index 00000000000..b3ab49263e7
--- /dev/null
+++ b/src/Nethermind/Nethermind.Runner/configs/spark.cfg
@@ -0,0 +1,59 @@
+{
+  "Init": {
+    "DiscoveryEnabled": true,
+    "WebSocketsEnabled": false,
+    "StoreReceipts" : true,
+    "ChainSpecPath": "chainspec/spark.json",
+    "BaseDbPath": "nethermind_db/spark",
+    "LogFileName": "spark.logs.txt"
+  },
+  "Sync": {
+    "DownloadBodiesInFastSync": true,
+    "DownloadHeadersInFastSync": true,
+    "DownloadReceiptsInFastSync": true,
+    "FastSync": true,
+    "PivotNumber": 9000000,
+    "PivotHash": "0xe8ae7da314b811234661055a63df7d3b2eaecc6f2c7d600742c533ad909b65c0",
+    "PivotTotalDifficulty": "3062541302288446171170371466885913902759974689",
+    "FastBlocks": true,
+    "NetworkingEnabled": true,
+    "SynchronizationEnabled": true,
+    "UseGethLimitsInFastBlocks": false,
+    "FastSyncCatchUpHeightDelta": 10000000000
+  },
+  "Network": {
+    "DiscoveryPort": 30303,
+    "P2PPort": 30303,
+    "LocalIp": "0.0.0.0",
+    "ExternalIp": "0.0.0.0"
+  },
+  "JsonRpc": {
+    "Enabled": true,
+    "Timeout": 20000,
+    "Host": "0.0.0.0",
+    "Port": 8545,
+    "WebSocketsPort": 8546,
+    "UseMinGasPriceInEstimates": true
+   },
+  "Metrics": {
+    "NodeName": "Spark"
+  },
+  "Bloom": {
+    "IndexLevelBucketSizes": [
+      16,
+      16,
+      16
+    ]
+  },
+  "Pruning": {
+    "Enabled": true,
+    "CacheMb": 1024,
+    "PersistenceInterval": 16384
+  },
+  "Mining": {
+    "MinGasPrice": "10000000000"
+  },
+  "Merge": {
+    "Enabled": false
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Nethermind.Runner/configs/spark_archive.cfg b/src/Nethermind/Nethermind.Runner/configs/spark_archive.cfg
new file mode 100644
index 00000000000..afd55a1abe3
--- /dev/null
+++ b/src/Nethermind/Nethermind.Runner/configs/spark_archive.cfg
@@ -0,0 +1,43 @@
+{
+  "Init": {
+    "DiscoveryEnabled": true,
+    "WebSocketsEnabled": true,
+    "StoreReceipts" : true,
+    "ChainSpecPath": "chainspec/spark.json",
+    "BaseDbPath": "nethermind_db/spark_archive",
+    "LogFileName": "spark_archive.logs.txt"
+  },
+  "Network": {
+    "DiscoveryPort": 30303,
+    "P2PPort": 30303,
+    "LocalIp": "0.0.0.0",
+    "ExternalIp": "0.0.0.0"
+  },
+  "JsonRpc": {
+        "Enabled": true,
+        "Timeout": 20000,
+        "Host": "0.0.0.0",
+        "Port": 8545,
+        "WebSocketsPort": 8546,
+        "UseMinGasPriceInEstimates": true
+   },
+  "Metrics": {
+    "NodeName": "Spark_archive"
+  },
+  "Bloom": {
+    "IndexLevelBucketSizes": [
+      16,
+      16,
+      16
+    ]
+  },
+  "Pruning": {
+    "Mode": "None"
+  },
+  "Mining": {
+    "MinGasPrice": "10000000000"
+  },
+  "Merge": {
+    "Enabled": false
+  }
+}
\ No newline at end of file
diff --git a/src/Nethermind/Nethermind.Runner/configs/spark_validator.cfg b/src/Nethermind/Nethermind.Runner/configs/spark_validator.cfg
new file mode 100644
index 00000000000..e3bd603a63b
--- /dev/null
+++ b/src/Nethermind/Nethermind.Runner/configs/spark_validator.cfg
@@ -0,0 +1,56 @@
+{
+  "Init": {
+    "DiscoveryEnabled": true,
+    "WebSocketsEnabled": false,
+    "StoreReceipts" : false,
+    "IsMining": true,
+    "ChainSpecPath": "chainspec/spark.json",
+    "BaseDbPath": "nethermind_db/spark",
+    "LogFileName": "spark_validator.logs.txt"
+  },
+  "Sync": {
+    "FastSync": true,
+    "PivotNumber": 9000000,
+    "PivotHash": "0xe8ae7da314b811234661055a63df7d3b2eaecc6f2c7d600742c533ad909b65c0",
+    "PivotTotalDifficulty": "3062541302288446171170371466885913902759974689",
+    "FastBlocks": true,
+    "UseGethLimitsInFastBlocks": false,
+    "FastSyncCatchUpHeightDelta": 10000000000
+  },
+  "Network": {
+    "DiscoveryPort": 30303,
+    "P2PPort": 30303,
+    "LocalIp": "0.0.0.0",
+    "ExternalIp": "0.0.0.0"
+  },
+  "JsonRpc": {
+        "Enabled": true,
+        "Timeout": 20000,
+        "Host": "127.0.0.1",
+        "Port": 8545,
+        "UseMinGasPriceInEstimates": true
+   },
+  "Metrics": {
+    "NodeName": "Fuse"
+  },
+  "Bloom": {
+    "IndexLevelBucketSizes": [
+      16,
+      16,
+      16
+    ]
+  },
+  "Pruning": {
+    "Enabled": true,
+    "CacheMb": 1024,
+    "PersistenceInterval": 16384
+  },
+  "Mining": {
+    "Enabled": true,
+    "MinGasPrice": "10000000000",
+    "TargetBlockGasLimit": "20000000"
+  },
+  "Merge": {
+    "Enabled": false
+  }
+}
\ No newline at end of file