diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..e69de29
diff --git a/bin/web3conv b/bin/web3conv
index 974a6ea..f853efb 100644
--- a/bin/web3conv
+++ b/bin/web3conv
@@ -10,31 +10,54 @@ args
   .demandCommand()
   .recommendCommands()
   .strict()
-  .command("asciitobytes32", "[-s <ascii string>]", yargs => {
-    let option = yargs.option("string", { alias: "s", demandOption: true }).argv;
+  .command("asciitobytes32", "[-s <ascii string>]", (yargs) => {
+    let option = yargs.option("string", { alias: "s", demandOption: true })
+      .argv;
     asciitobytes32(option.string);
   })
-  .command("bytes32toascii", "[-s <bytes32 string>]", yargs => {
-    let option = yargs.option("string", { alias: "s", demandOption: true, string: true }).argv;
+  .command("bytes32toascii", "[-s <bytes32 string>]", (yargs) => {
+    let option = yargs.option("string", {
+      alias: "s",
+      demandOption: true,
+      string: true,
+    }).argv;
     bytes32ToAscii(option.string);
   })
-  .command("hash", "[-a <hash algorithm>] [-s [string] | -f [file]]", yargs => {
+  .command(
+    "hash",
+    "[-a <hash algorithm>] [-s [string] | -f [file]]",
+    (yargs) => {
+      let option = yargs
+        .option("string", { alias: "s" })
+        .option("algorithm", { alias: "a", demandOption: true })
+        .option("file", { alias: "f" }).argv;
+      hash(option.algorithm, option.string, option.file);
+    }
+  )
+  .command("checksumaddress", "[-a <address>] [-i [chainId]]", (yargs) => {
     let option = yargs
-      .option("string", { alias: "s" })
-      .option("algorithm", { alias: "a", demandOption: true })
-      .option("file", { alias: "f" }).argv;
-    hash(option.algorithm, option.string, option.file);
+      .option("address", {
+        alias: "a",
+        demandOption: true,
+        string: true,
+      })
+      .option("chainId", { alias: "i", string: "true" }).argv;
+    toChecksumAddress(option.address, option.chainId);
   })
-  .command("checksumaddress", "[-a <ETH Address>]", yargs => {
-    let option = yargs.option("address", { alias: "a", demandOption: true, string: true }).argv;
-    toChecksumAddress(option.address);
-  })
-  .command("base58tohex", "[-s <base85 string>]", yargs => {
-    let option = yargs.option("string", { alias: "s", demandOption: true, string: true }).argv;
+  .command("base58tohex", "[-s <base85 string>]", (yargs) => {
+    let option = yargs.option("string", {
+      alias: "s",
+      demandOption: true,
+      string: true,
+    }).argv;
     base58tohex(option.string);
   })
-  .command("hextobase58", "[-s <hex string>]", yargs => {
-    let option = yargs.option("string", { alias: "s", demandOption: true, string: true }).argv;
+  .command("hextobase58", "[-s <hex string>]", (yargs) => {
+    let option = yargs.option("string", {
+      alias: "s",
+      demandOption: true,
+      string: true,
+    }).argv;
     hextobase58(option.string);
   })
   .help("h")
diff --git a/package-lock.json b/package-lock.json
index 1eed2de..722d30b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "web3conv",
+  "name": "@sebastinez/web3conv",
   "version": "1.1.0",
   "lockfileVersion": 1,
   "requires": true,
diff --git a/package.json b/package.json
index f0a276d..cd109a3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "web3conv",
-  "version": "1.1.0",
+  "name": "@sebastinez/web3conv",
+  "version": "1.2.0",
   "description": "CLI App for type conversion in the cripto universe",
   "main": "web3conv",
   "scripts": {},
diff --git a/src/checksumAddress.js b/src/checksumAddress.js
index 4371714..e226687 100644
--- a/src/checksumAddress.js
+++ b/src/checksumAddress.js
@@ -17,13 +17,18 @@ const toChecksumAddress = (address, chainId = null) => {
   let checksumAddress = "0x";
 
   for (let i = 0; i < stripAddress.length; i += 1)
-    checksumAddress += parseInt(keccakHash[i], 16) >= 8 ? stripAddress[i].toUpperCase() : stripAddress[i];
 
-  if (address === checksumAddress) console.log(chalk.underline("\nSupplied Address is valid"));
+    checksumAddress +=
+      parseInt(keccakHash[i], 16) >= 8
+        ? stripAddress[i].toUpperCase()
+        : stripAddress[i];
+
+  if (address === checksumAddress)
+    console.log(chalk.underline("\nSupplied Address is valid\n"));
   else
     console.log(
-      chalk.underline("\nConverted ASCII string to Bytes32 String\n\n") +
-        `Input: ${address}\nOutput: ${checksumAddress}`
+      chalk.underline(`\nChecksummed address to chainId ${chainId}\n\n`) +
+        `${checksumAddress}\n`
     );
 };