diff --git a/constants/error-message.ts b/constants/error-message.ts
index aacdbf4..3e06c04 100644
--- a/constants/error-message.ts
+++ b/constants/error-message.ts
@@ -26,8 +26,8 @@ export const INVALID_REFERRAL_MESSAGE =
 
 export const TOO_MANY_CHAINS_IN_LEDGER_ERROR = "Output buffer too small";
 export const TOO_MANY_CHAINS_IN_LEDGER_MESSAGE =
-  "Maximum 20 chains can be linked at a time on Ledger hardware wallet. Unselect some chains and try again.";
+  "Due to hardware constraints, limited number of chains can be linked at a time(1-2 on Ledger Nano S / 25 on Ledger Nano S+/X). Please select less chains and try again.";
 
 export const EVM_CHAIN_IN_LEDGER_ERROR = "Ledger is unsupported for this chain";
 export const EVM_CHAIN_IN_LEDGER_MESSAGE =
-  "Ledger is unsupported for this chain. Remove EVM-based Cosmos SDK chains and try again.";
+  "ICNS for Cosmos chains using Ethereum/EVM keys are not supported. Remove EVM-based Cosmos SDK chains and try again.";
diff --git a/pages/complete/index.tsx b/pages/complete/index.tsx
index 33f9c3c..24171f0 100644
--- a/pages/complete/index.tsx
+++ b/pages/complete/index.tsx
@@ -11,11 +11,10 @@ import AlertCircleOutlineIcon from "../../public/images/svg/alert-circle-outline
 
 import { useRouter } from "next/router";
 import { useEffect, useState } from "react";
-import { TendermintTxTracer } from "@keplr-wallet/cosmos";
 import { queryAddressesFromTwitterName } from "../../queries";
 import { RegisteredAddresses } from "../../types";
 import { SHARE_URL } from "../../constants/twitter";
-import { RPC_URL } from "../../constants/icns";
+import { REST_URL, RPC_URL } from "../../constants/icns";
 
 export default function CompletePage() {
   const router = useRouter();
@@ -35,19 +34,33 @@ export default function CompletePage() {
   }, [router.query]);
 
   const initialize = async (txHash: string, twitterUserName: string) => {
-    const txTracer = new TendermintTxTracer(RPC_URL, "/websocket");
-
     try {
-      const result: { code?: number } = await txTracer.traceTx(
-        Buffer.from(txHash, "hex"),
-      );
+      for (let i = 0; i < 20; i++) {
+        // Try to fetch tx response per 3sec, 20times.
+        await new Promise((resolve) => setTimeout(resolve, 3000));
 
-      if (!result.code || result.code === 0) {
-        amplitude.track("complete registration");
+        const res = await fetch(`${REST_URL}/cosmos/tx/v1beta1/txs/${txHash}`);
 
-        const addresses = await queryAddressesFromTwitterName(twitterUserName);
-        setRegisteredAddressed(addresses.data.addresses);
-        setIsSuccess(true);
+        if (res.ok && res.status === 200) {
+          const txRes = await res.json();
+
+          if (txRes && txRes.tx_response) {
+            if (
+              txRes.tx_response.code == null ||
+              txRes.tx_response.code === 0
+            ) {
+              amplitude.track("complete registration");
+
+              const addresses = await queryAddressesFromTwitterName(
+                twitterUserName,
+              );
+              setRegisteredAddressed(addresses.data.addresses);
+              setIsSuccess(true);
+
+              break;
+            }
+          }
+        }
       }
     } catch (e) {
       console.log("error", e);
diff --git a/pages/verification/index.tsx b/pages/verification/index.tsx
index 8814a58..9c2bfe7 100644
--- a/pages/verification/index.tsx
+++ b/pages/verification/index.tsx
@@ -131,6 +131,12 @@ export default function VerificationPage() {
           return true;
         }
 
+        if (walletKey) {
+          if (walletKey.isLedgerNano && chain.isEthermintLike) {
+            return true;
+          }
+        }
+
         for (const registeredChain of registeredChainList) {
           if (
             chain.prefix === registeredChain.bech32_prefix &&
@@ -218,6 +224,8 @@ export default function VerificationPage() {
           );
 
           setRegisteredChainList(addressesQueryResponse.data.addresses);
+        } else {
+          setRegisteredChainList([]);
         }
       } catch (error) {
         if (error instanceof Error) {