diff --git a/params/bootnodes.go b/params/bootnodes.go
index 5e2c7c218..e33e2c526 100644
--- a/params/bootnodes.go
+++ b/params/bootnodes.go
@@ -20,7 +20,7 @@ import "github.com/ethereum/go-ethereum/common"
 
 // MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on
 // the main Ethereum network.
-var MainnetBootnodes = []string{
+var MainnetBootnodes = []string{ // 수정 필요
 	// Ethereum Foundation Go Bootnodes
 	"enode://d860a01f9722d78051619d1e2351aba3f43f943f6f00718d1b9baa4101932a1f5011f16bb2b1bb35db20d6fe28fa0bf09636d26a87d31de9ec6203eeedb1f666@18.138.108.67:30303", // bootnode-aws-ap-southeast-1-001
 	"enode://22a8232c3abc76a16ae9d6c3b164f98775fe226f0917b0ca871128a74a8e9630b458460865bab457221f1d448dd9791d24c4e5d88786180ac185df813a68d4de@3.209.45.79:30303",   // bootnode-aws-us-east-1-001
diff --git a/params/config.go b/params/config.go
index fb5175119..cbc3d0c0f 100644
--- a/params/config.go
+++ b/params/config.go
@@ -25,7 +25,7 @@ import (
 )
 
 // Genesis hashes to enforce below configs on.
-var (
+var ( // 수정 필요(첫 geth 실행 후)
 	MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
 	HoleskyGenesisHash = common.HexToHash("0xb5f7f912443c940f21fd611f12828d75b534364ed9e95ca4e307729a4661bde4")
 	SepoliaGenesisHash = common.HexToHash("0x25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9")
@@ -38,7 +38,7 @@ var (
 	MainnetTerminalTotalDifficulty, _ = new(big.Int).SetString("58_750_000_000_000_000_000_000", 0)
 
 	// MainnetChainConfig is the chain parameters to run a node on the main network.
-	MainnetChainConfig = &ChainConfig{
+	MainnetChainConfig = &ChainConfig{ // 수정 필요
 		ChainID:                       big.NewInt(1),
 		HomesteadBlock:                big.NewInt(1_150_000),
 		DAOForkBlock:                  big.NewInt(1_920_000),