diff --git a/protocol/settings/chain.go b/protocol/settings/chain.go
index b56fda04..7b706ffb 100644
--- a/protocol/settings/chain.go
+++ b/protocol/settings/chain.go
@@ -7,12 +7,13 @@ var defaultRateLimiting = &RateLimit{
 
 // ChainSettings contains chain-specific settings.
 type ChainSettings struct {
-	ChainID             int
-	Name                string
-	EnableTrace         bool
-	JsonRpcRateLimiting *RateLimit
-	InspectionInterval  int // in block number
-	BlockThreshold      int
+	ChainID                     int
+	Name                        string
+	EnableTrace                 bool
+	JsonRpcRateLimiting         *RateLimit
+	InspectionInterval          int // in block number
+	BlockThreshold              int
+	JSONRPCRetryIntervalSeconds int
 }
 
 // RateLimit is token bucket algorithm parameters.
@@ -27,60 +28,67 @@ type RateLimit struct {
 // safe offsets are adjusted to be 5-10% of the block threshold (at least 1)
 var allChainSettings = []ChainSettings{
 	{
-		ChainID:             1,
-		Name:                "Ethereum Mainnet",
-		EnableTrace:         true,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  50,
-		BlockThreshold:      8,
+		ChainID:                     1,
+		Name:                        "Ethereum Mainnet",
+		EnableTrace:                 true,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          50,
+		BlockThreshold:              8,
+		JSONRPCRetryIntervalSeconds: 8,
 	},
 	{
-		ChainID:             10,
-		Name:                "Optimism",
-		EnableTrace:         false,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  100,
-		BlockThreshold:      8,
+		ChainID:                     10,
+		Name:                        "Optimism",
+		EnableTrace:                 false,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          100,
+		BlockThreshold:              10,
+		JSONRPCRetryIntervalSeconds: 4,
 	},
 	{
-		ChainID:             56,
-		Name:                "BSC",
-		EnableTrace:         false,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  250,
-		BlockThreshold:      20,
+		ChainID:                     56,
+		Name:                        "BSC",
+		EnableTrace:                 false,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          250,
+		BlockThreshold:              20,
+		JSONRPCRetryIntervalSeconds: 4,
 	},
 	{
-		ChainID:             137,
-		Name:                "Polygon",
-		EnableTrace:         false,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  70,
-		BlockThreshold:      30,
+		ChainID:                     137,
+		Name:                        "Polygon",
+		EnableTrace:                 false,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          70,
+		BlockThreshold:              30,
+		JSONRPCRetryIntervalSeconds: 4,
 	},
 	{
-		ChainID:             250,
-		Name:                "Fantom",
-		EnableTrace:         true,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  750,
-		BlockThreshold:      35,
+		ChainID:                     250,
+		Name:                        "Fantom",
+		EnableTrace:                 true,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          750,
+		BlockThreshold:              37,
+		JSONRPCRetryIntervalSeconds: 4,
 	},
 	{
-		ChainID:             42161,
-		Name:                "Arbitrum",
-		EnableTrace:         false,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  1500,
-		BlockThreshold:      80,
+		ChainID:                     42161,
+		Name:                        "Arbitrum",
+		EnableTrace:                 false,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          1500,
+		BlockThreshold:              80,
+		JSONRPCRetryIntervalSeconds: 4,
 	},
 	{
-		ChainID:             43114,
-		Name:                "Avalanche",
-		EnableTrace:         false,
-		JsonRpcRateLimiting: defaultRateLimiting,
-		InspectionInterval:  350,
-		BlockThreshold:      30,
+		ChainID:                     43114,
+		Name:                        "Avalanche",
+		EnableTrace:                 false,
+		JsonRpcRateLimiting:         defaultRateLimiting,
+		InspectionInterval:          350,
+		BlockThreshold:              32,
+		JSONRPCRetryIntervalSeconds: 4,
 	},
 }