diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 2f7d37fdd..7dc2bd11b 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -278,6 +278,9 @@ func main() {
 func prepare(ctx *cli.Context) {
 	// If we're running a known preset, log it for convenience.
 	switch {
+	case ctx.IsSet(utils.PulseChainFlag.Name):
+		log.Info("Starting Geth on PulseChain mainnet...")
+
 	case ctx.IsSet(utils.GoerliFlag.Name):
 		log.Info("Starting Geth on Görli testnet...")
 
@@ -287,6 +290,9 @@ func prepare(ctx *cli.Context) {
 	case ctx.IsSet(utils.HoleskyFlag.Name):
 		log.Info("Starting Geth on Holesky testnet...")
 
+	case ctx.IsSet(utils.PulseChainTestnetFlag.Name):
+		log.Info("Starting Geth on PulseChain testnet...")
+
 	case ctx.IsSet(utils.DeveloperFlag.Name):
 		log.Info("Starting Geth in ephemeral dev mode...")
 		log.Warn(`You are running Geth in --dev mode. Please note the following:
@@ -315,7 +321,7 @@ func prepare(ctx *cli.Context) {
 			!ctx.IsSet(utils.SepoliaFlag.Name) &&
 			!ctx.IsSet(utils.GoerliFlag.Name) &&
 			!ctx.IsSet(utils.DeveloperFlag.Name) {
-			// Nope, we're really on mainnet. Bump that cache up!
+			// Nope, we're really on mainnet or PulseChain. Bump that cache up!
 			log.Info("Bumping default cache on mainnet", "provided", ctx.Int(utils.CacheFlag.Name), "updated", 4096)
 			ctx.Set(utils.CacheFlag.Name, strconv.Itoa(4096))
 		}
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index b813e5297..b965e678d 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -140,6 +140,10 @@ var (
 		Usage:    "Ethereum mainnet",
 		Category: flags.EthCategory,
 	}
+	PulseChainFlag = &cli.BoolFlag{
+		Name:  "pulsechain",
+		Usage: "PulseChain mainnet",
+	}
 	GoerliFlag = &cli.BoolFlag{
 		Name:     "goerli",
 		Usage:    "Görli network: pre-configured proof-of-authority test network",
@@ -155,6 +159,11 @@ var (
 		Usage:    "Holesky network: pre-configured proof-of-stake test network",
 		Category: flags.EthCategory,
 	}
+	PulseChainTestnetFlag = &cli.BoolFlag{
+		Name:  "pulsechain-testnet",
+		Usage: "PulseChain testnet",
+	}
+
 	// Dev mode
 	DeveloperFlag = &cli.BoolFlag{
 		Name:     "dev",
@@ -916,9 +925,13 @@ var (
 		GoerliFlag,
 		SepoliaFlag,
 		HoleskyFlag,
+		PulseChainTestnetFlag,
 	}
 	// NetworkFlags is the flag group of all built-in supported networks.
-	NetworkFlags = append([]cli.Flag{MainnetFlag}, TestnetFlags...)
+	NetworkFlags = append([]cli.Flag{
+		MainnetFlag,
+		PulseChainFlag,
+	}, TestnetFlags...)
 
 	// DatabaseFlags is the flag group of all database flags.
 	DatabaseFlags = []cli.Flag{
@@ -936,6 +949,9 @@ var (
 // then a subdirectory of the specified datadir will be used.
 func MakeDataDir(ctx *cli.Context) string {
 	if path := ctx.String(DataDirFlag.Name); path != "" {
+		if ctx.Bool(PulseChainFlag.Name) {
+			return filepath.Join(path, "pulsechain")
+		}
 		if ctx.Bool(GoerliFlag.Name) {
 			return filepath.Join(path, "goerli")
 		}
@@ -945,6 +961,9 @@ func MakeDataDir(ctx *cli.Context) string {
 		if ctx.Bool(HoleskyFlag.Name) {
 			return filepath.Join(path, "holesky")
 		}
+		if ctx.Bool(PulseChainTestnetFlag.Name) {
+			return filepath.Join(path, "pulsechain-testnet")
+		}
 		return path
 	}
 	Fatalf("Cannot determine default data directory, please set manually (--datadir)")
@@ -1001,12 +1020,16 @@ func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
 			return // Already set by config file, don't apply defaults.
 		}
 		switch {
+		case ctx.Bool(PulseChainFlag.Name):
+			urls = params.PulseChainBootnodes
 		case ctx.Bool(HoleskyFlag.Name):
 			urls = params.HoleskyBootnodes
 		case ctx.Bool(SepoliaFlag.Name):
 			urls = params.SepoliaBootnodes
 		case ctx.Bool(GoerliFlag.Name):
 			urls = params.GoerliBootnodes
+		case ctx.Bool(PulseChainTestnetFlag.Name):
+			urls = params.PulseChainTestnetBootnodes
 		}
 	}
 	cfg.BootstrapNodes = mustParseBootnodes(urls)
@@ -1428,12 +1451,16 @@ func SetDataDir(ctx *cli.Context, cfg *node.Config) {
 		cfg.DataDir = ctx.String(DataDirFlag.Name)
 	case ctx.Bool(DeveloperFlag.Name):
 		cfg.DataDir = "" // unless explicitly requested, use memory databases
+	case ctx.Bool(PulseChainFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "pulsechain")
 	case ctx.Bool(GoerliFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "goerli")
 	case ctx.Bool(SepoliaFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "sepolia")
 	case ctx.Bool(HoleskyFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "holesky")
+	case ctx.Bool(PulseChainTestnetFlag.Name) && cfg.DataDir == node.DefaultDataDir():
+		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "pulsechain-testnet")
 	}
 }
 
@@ -1585,7 +1612,7 @@ func CheckExclusive(ctx *cli.Context, args ...interface{}) {
 // SetEthConfig applies eth-related command line flags to the config.
 func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	// Avoid conflicting network flags
-	CheckExclusive(ctx, MainnetFlag, DeveloperFlag, GoerliFlag, SepoliaFlag, HoleskyFlag)
+	CheckExclusive(ctx, MainnetFlag, PulseChainFlag, DeveloperFlag, GoerliFlag, SepoliaFlag, HoleskyFlag, PulseChainTestnetFlag)
 	CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
 
 	// Set configurations from CLI flags
@@ -1736,6 +1763,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 		cfg.Genesis = core.DefaultGenesisBlock()
 		SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
+	case ctx.Bool(PulseChainFlag.Name):
+		if !ctx.IsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 369
+		}
+		cfg.Genesis = core.DefaultPulseChainGenesisBlock()
+		SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
 	case ctx.Bool(HoleskyFlag.Name):
 		if !ctx.IsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 17000
@@ -1754,6 +1787,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 		cfg.Genesis = core.DefaultGoerliGenesisBlock()
 		SetDNSDiscoveryDefaults(cfg, params.GoerliGenesisHash)
+	case ctx.Bool(PulseChainTestnetFlag.Name):
+		if !ctx.IsSet(NetworkIdFlag.Name) {
+			cfg.NetworkId = 942
+		}
+		cfg.Genesis = core.DefaultPulseChainTestnetGenesisBlock()
+		SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
 	case ctx.Bool(DeveloperFlag.Name):
 		if !ctx.IsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 1337
@@ -2057,12 +2096,16 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
 	switch {
 	case ctx.Bool(MainnetFlag.Name):
 		genesis = core.DefaultGenesisBlock()
+	case ctx.Bool(PulseChainFlag.Name):
+		genesis = core.DefaultPulseChainGenesisBlock()
 	case ctx.Bool(HoleskyFlag.Name):
 		genesis = core.DefaultHoleskyGenesisBlock()
 	case ctx.Bool(SepoliaFlag.Name):
 		genesis = core.DefaultSepoliaGenesisBlock()
 	case ctx.Bool(GoerliFlag.Name):
 		genesis = core.DefaultGoerliGenesisBlock()
+	case ctx.Bool(PulseChainTestnetFlag.Name):
+		genesis = core.DefaultPulseChainTestnetGenesisBlock()
 	case ctx.Bool(DeveloperFlag.Name):
 		Fatalf("Developer chains are ephemeral")
 	}
diff --git a/core/genesis.go b/core/genesis.go
index 54570ac61..d46471c4f 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -498,6 +498,18 @@ func DefaultGenesisBlock() *Genesis {
 	}
 }
 
+// DefaultPulseChainGenesisBlock returns the PulseChain mainnet genesis block.
+func DefaultPulseChainGenesisBlock() *Genesis {
+	return &Genesis{
+		Config:     params.PulseChainConfig,
+		Nonce:      66,
+		ExtraData:  hexutil.MustDecode("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
+		GasLimit:   5000,
+		Difficulty: big.NewInt(17179869184),
+		Alloc:      decodePrealloc(mainnetAllocData),
+	}
+}
+
 // DefaultGoerliGenesisBlock returns the Görli network genesis block.
 func DefaultGoerliGenesisBlock() *Genesis {
 	return &Genesis{
@@ -535,6 +547,18 @@ func DefaultHoleskyGenesisBlock() *Genesis {
 	}
 }
 
+// DefaultPulseChainTestnetGenesisBlock returns the PulseChain testnet genesis block.
+func DefaultPulseChainTestnetGenesisBlock() *Genesis {
+	return &Genesis{
+		Config:     params.PulseChainTestnetConfig,
+		Nonce:      66,
+		ExtraData:  hexutil.MustDecode("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
+		GasLimit:   5000,
+		Difficulty: big.NewInt(17179869184),
+		Alloc:      decodePrealloc(mainnetAllocData),
+	}
+}
+
 // DeveloperGenesisBlock returns the 'geth --dev' genesis block.
 func DeveloperGenesisBlock(gasLimit uint64, faucet *common.Address) *Genesis {
 	// Override the default period to the user requested one
diff --git a/params/bootnodes.go b/params/bootnodes.go
index 5e2c7c218..ad86d8078 100644
--- a/params/bootnodes.go
+++ b/params/bootnodes.go
@@ -36,6 +36,14 @@ var HoleskyBootnodes = []string{
 	"enode://a3435a0155a3e837c02f5e7f5662a2f1fbc25b48e4dc232016e1c51b544cb5b4510ef633ea3278c0e970fa8ad8141e2d4d0f9f95456c537ff05fdf9b31c15072@178.128.136.233:30303",
 }
 
+// PulseChainBootnodes are the enode URLs of the P2P bootstrap nodes running on
+// the main PulseChain network.
+var PulseChainBootnodes []string // TODO
+
+// PulseChainTestnetBootnodes are the enode URLs of the P2P bootstrap nodes running on
+// the main PulseChain network.
+var PulseChainTestnetBootnodes []string // TODO
+
 // SepoliaBootnodes are the enode URLs of the P2P bootstrap nodes running on the
 // Sepolia test network.
 var SepoliaBootnodes = []string{