diff --git a/cmd/jsutils/getchainstatus.js b/cmd/jsutils/getchainstatus.js
index 939b09c183..ee6d050283 100644
--- a/cmd/jsutils/getchainstatus.js
+++ b/cmd/jsutils/getchainstatus.js
@@ -315,10 +315,53 @@ async function getBinaryVersion() {
     let turnLength = program.turnLength;
     for (let i = 0; i < program.num; i++) {
         let blockData = await provider.getBlock(blockNum - i * turnLength);
-        // 1.get Geth client version
-        let major = ethers.toNumber(ethers.dataSlice(blockData.extraData, 2, 3));
-        let minor = ethers.toNumber(ethers.dataSlice(blockData.extraData, 3, 4));
-        let patch = ethers.toNumber(ethers.dataSlice(blockData.extraData, 4, 5));
+
+        let major = 0, minor = 0, patch = 0;
+        let commitID = "";
+
+        try {
+            major = ethers.toNumber(ethers.dataSlice(blockData.extraData, 2, 3));
+            minor = ethers.toNumber(ethers.dataSlice(blockData.extraData, 3, 4));
+            patch = ethers.toNumber(ethers.dataSlice(blockData.extraData, 4, 5));
+            
+            // Check version: >= 1.6.4 uses new format with commitID
+            const isNewFormat = major > 1 || (major === 1 && minor > 6) || (major === 1 && minor === 6 && patch >= 4);
+            
+            if (isNewFormat) {
+                const extraVanity = 28;
+                let vanityBytes = ethers.getBytes(ethers.dataSlice(blockData.extraData, 0, extraVanity));
+
+                let rlpLength = vanityBytes.length;
+                if (vanityBytes[0] >= 0xC0 && vanityBytes[0] <= 0xF7) {
+                    rlpLength = (vanityBytes[0] - 0xC0) + 1; 
+                }
+                
+                const rlpData = ethers.dataSlice(blockData.extraData, 0, rlpLength);
+                const decoded = ethers.decodeRlp(rlpData);
+                
+                if (Array.isArray(decoded) && decoded.length >= 2) {
+                     const secondElemHex = decoded[1];
+                     let secondElemStr = "";
+                     try {
+                         secondElemStr = ethers.toUtf8String(secondElemHex);
+                     } catch (e) {
+                         secondElemStr = secondElemHex;
+                     }
+                     
+                     if (secondElemStr.length > 0 && secondElemStr !== "geth") {
+                         commitID = secondElemStr.startsWith("0x") ? secondElemStr.substring(2) : secondElemStr;
+                     }
+                }
+            }
+        } catch (e) {
+            console.log("Parsing failed:", e.message);
+        }
+
+        // Format version string
+        let versionStr = major + "." + minor + "." + patch;
+        if (commitID && commitID.length > 0) {
+            versionStr = versionStr + "-" + commitID;
+        }
 
         // 2.get minimum txGasPrice based on the last non-zero-gasprice transaction
         let lastGasPrice = 0;
@@ -332,7 +375,7 @@ async function getBinaryVersion() {
             break;
         }
         var moniker = await getValidatorMoniker(blockData.miner, blockNum);
-        console.log(blockNum - i * turnLength, blockData.miner, "version =", major + "." + minor + "." + patch, " MinGasPrice = " + lastGasPrice, moniker);
+        console.log(blockNum - i * turnLength, blockData.miner, "version =", versionStr, " MinGasPrice = " + lastGasPrice, moniker);
     }
 }
 
diff --git a/eth/backend.go b/eth/backend.go
index a4f6f08586..37312fa5b9 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -28,11 +28,12 @@ import (
 	"sync"
 	"time"
 
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/params"
 
 	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/consensus"
 	"github.com/ethereum/go-ethereum/consensus/parlia"
 	"github.com/ethereum/go-ethereum/core"
@@ -66,7 +67,6 @@ import (
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/dnsdisc"
 	"github.com/ethereum/go-ethereum/p2p/enode"
-	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/triedb/pathdb"
@@ -510,12 +510,24 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 
 func makeExtraData(extra []byte) []byte {
 	if len(extra) == 0 {
-		// create default extradata
+		// For version >= 1.6.4, use compact format: [version(uint32), commitID, go_version, os]
+		commitID := ""
+		git, ok := version.VCS()
+		if ok && len(git.Commit) >= 8 {
+			commitID = git.Commit[:8]
+		}
+
+		osName := runtime.GOOS
+		if len(osName) > 3 {
+			osName = osName[:3]
+		}
+
+		versionWord := uint32(gethversion.Major<<16 | gethversion.Minor<<8 | gethversion.Patch)
 		extra, _ = rlp.EncodeToBytes([]interface{}{
-			uint(gethversion.Major<<16 | gethversion.Minor<<8 | gethversion.Patch),
-			"geth",
+			versionWord,
+			commitID,
 			runtime.Version(),
-			runtime.GOOS,
+			osName,
 		})
 	}
 	if uint64(len(extra)) > params.MaximumExtraDataSize-params.ForkIDSize {