diff --git a/chain/chain_config.go b/chain/chain_config.go
index 104eca64d..3e7cace3f 100644
--- a/chain/chain_config.go
+++ b/chain/chain_config.go
@@ -65,6 +65,7 @@ type Config struct {
 	ShanghaiTime     *big.Int `json:"shanghaiTime,omitempty"`     // Shanghai switch time (nil = no fork, 0 = already activated)
 	CancunTime       *big.Int `json:"cancunTime,omitempty"`       // Cancun switch time (nil = no fork, 0 = already activated)
 	ShardingForkTime *big.Int `json:"shardingForkTime,omitempty"` // Mini-Danksharding switch block (nil = no fork, 0 = already activated)
+	PragueTime       *big.Int `json:"pragueTime,omitempty"`       // Prague switch time (nil = no fork, 0 = already activated)
 
 	// Parlia fork blocks
 	RamanujanBlock  *big.Int `json:"ramanujanBlock,omitempty" toml:",omitempty"`  // ramanujanBlock switch block (nil = no fork, 0 = already activated)
@@ -109,7 +110,7 @@ func (c *Config) String() string {
 		)
 	}
 
-	return fmt.Sprintf("{ChainID: %v, Homestead: %v, DAO: %v, DAO Support: %v, Tangerine Whistle: %v, Spurious Dragon: %v, Byzantium: %v, Constantinople: %v, Petersburg: %v, Istanbul: %v, Muir Glacier: %v, Berlin: %v, London: %v, Arrow Glacier: %v, Gray Glacier: %v, Terminal Total Difficulty: %v, Merge Netsplit: %v, Shanghai: %v, Cancun: %v, Engine: %v}",
+	return fmt.Sprintf("{ChainID: %v, Homestead: %v, DAO: %v, DAO Support: %v, Tangerine Whistle: %v, Spurious Dragon: %v, Byzantium: %v, Constantinople: %v, Petersburg: %v, Istanbul: %v, Muir Glacier: %v, Berlin: %v, London: %v, Arrow Glacier: %v, Gray Glacier: %v, Terminal Total Difficulty: %v, Merge Netsplit: %v, Shanghai: %v, Cancun: %v, Sharding: %v, Prague: %v, Engine: %v}",
 		c.ChainID,
 		c.HomesteadBlock,
 		c.DAOForkBlock,
@@ -129,6 +130,8 @@ func (c *Config) String() string {
 		c.MergeNetsplitBlock,
 		c.ShanghaiTime,
 		c.CancunTime,
+		c.ShardingForkTime,
+		c.PragueTime,
 		engine,
 	)
 }
@@ -307,6 +310,11 @@ func (c *Config) IsCancun(time uint64) bool {
 	return isForked(c.CancunTime, time)
 }
 
+// IsPrague returns whether time is either equal to the Prague fork time or greater.
+func (c *Config) IsPrague(time uint64) bool {
+	return isForked(c.PragueTime, time)
+}
+
 func (c *Config) IsEip1559FeeCollector(num uint64) bool {
 	return c.Eip1559FeeCollector != nil && isForked(c.Eip1559FeeCollectorTransition, num)
 }
@@ -660,7 +668,7 @@ type Rules struct {
 	IsHomestead, IsTangerineWhistle, IsSpuriousDragon       bool
 	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
 	IsBerlin, IsLondon, IsShanghai, IsCancun                bool
-	IsSharding                                              bool
+	IsSharding, IsPrague                                    bool
 	IsNano, IsMoran, IsGibbs                                bool
 	IsEip1559FeeCollector                                   bool
 	IsParlia, IsAura                                        bool
@@ -686,6 +694,8 @@ func (c *Config) Rules(num uint64, time uint64) *Rules {
 		IsLondon:              c.IsLondon(num),
 		IsShanghai:            c.IsShanghai(time),
 		IsCancun:              c.IsCancun(time),
+		IsSharding:            c.IsSharding(time),
+		IsPrague:              c.IsPrague(time),
 		IsNano:                c.IsNano(num),
 		IsMoran:               c.IsMoran(num),
 		IsEip1559FeeCollector: c.IsEip1559FeeCollector(num),