diff --git a/.changeset/every-donuts-stop.md b/.changeset/every-donuts-stop.md
new file mode 100644
index 00000000000..8f624eb26d6
--- /dev/null
+++ b/.changeset/every-donuts-stop.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+ENS: add coinType param to reverse resolver
diff --git a/packages/thirdweb/src/extensions/ens/__generated__/UniversalResolver/read/reverse.ts b/packages/thirdweb/src/extensions/ens/__generated__/UniversalResolver/read/reverse.ts
index f9e4de7d1a1..a33b67961aa 100644
--- a/packages/thirdweb/src/extensions/ens/__generated__/UniversalResolver/read/reverse.ts
+++ b/packages/thirdweb/src/extensions/ens/__generated__/UniversalResolver/read/reverse.ts
@@ -14,14 +14,22 @@ export type ReverseParams = {
     type: "bytes";
     name: "reverseName";
   }>;
+  coinType: AbiParameterToPrimitiveType<{
+    type: "uint256";
+    name: "coinType";
+  }>;
 };
 
-export const FN_SELECTOR = "0xec11c823" as const;
+export const FN_SELECTOR = "0x5d78a217" as const;
 const FN_INPUTS = [
   {
     name: "reverseName",
     type: "bytes",
   },
+  {
+    name: "coinType",
+    type: "uint256",
+  },
 ] as const;
 const FN_OUTPUTS = [
   {
@@ -33,9 +41,6 @@ const FN_OUTPUTS = [
   {
     type: "address",
   },
-  {
-    type: "address",
-  },
 ] as const;
 
 /**
@@ -70,7 +75,10 @@ export function isReverseSupported(availableSelectors: string[]) {
  * ```
  */
 export function encodeReverseParams(options: ReverseParams) {
-  return encodeAbiParameters(FN_INPUTS, [options.reverseName]);
+  return encodeAbiParameters(FN_INPUTS, [
+    options.reverseName,
+    options.coinType,
+  ]);
 }
 
 /**
@@ -128,6 +136,6 @@ export async function reverse(options: BaseTransactionOptions<ReverseParams>) {
   return readContract({
     contract: options.contract,
     method: [FN_SELECTOR, FN_INPUTS, FN_OUTPUTS] as const,
-    params: [options.reverseName],
+    params: [options.reverseName, options.coinType],
   });
 }
diff --git a/packages/thirdweb/src/extensions/ens/resolve-name.ts b/packages/thirdweb/src/extensions/ens/resolve-name.ts
index 0d9c8b70303..12ea520214a 100644
--- a/packages/thirdweb/src/extensions/ens/resolve-name.ts
+++ b/packages/thirdweb/src/extensions/ens/resolve-name.ts
@@ -3,8 +3,6 @@ import { ethereum } from "../../chains/chain-definitions/ethereum.js";
 import type { Chain } from "../../chains/types.js";
 import type { ThirdwebClient } from "../../client/client.js";
 import { getContract } from "../../contract/contract.js";
-import { toHex } from "../../utils/encoding/hex.js";
-import { packetToBytes } from "../../utils/ens/packetToBytes.js";
 import { withCache } from "../../utils/promise/withCache.js";
 import { reverse } from "./__generated__/UniversalResolver/read/reverse.js";
 import { UNIVERSAL_RESOLVER_ADDRESS } from "./constants.js";
@@ -33,7 +31,9 @@ export type ResolveNameOptions = {
  * @extension ENS
  * @returns A promise that resolves to the Ethereum address.
  */
-export async function resolveName(options: ResolveNameOptions) {
+export async function resolveName(
+  options: ResolveNameOptions,
+): Promise<string | null> {
   const { client, address, resolverAddress, resolverChain } = options;
 
   return withCache(
@@ -44,25 +44,28 @@ export async function resolveName(options: ResolveNameOptions) {
         client,
       });
 
-      const reverseName = toHex(
-        packetToBytes(`${address.toLowerCase().substring(2)}.addr.reverse`),
-      );
-
-      const [name, resolvedAddress] = await reverse({
+      const [name] = await reverse({
         contract,
-        reverseName,
+        reverseName: address as `0x${string}`,
+        coinType: 60n,
       }).catch((e) => {
-        if ("data" in e && e.data === "0x7199966d") {
-          return [null, address] as const;
+        // Re-throw verification errors so callers can detect data integrity issues
+        if (
+          typeof e === "object" &&
+          e !== null &&
+          "data" in e &&
+          typeof e.data === "string"
+        ) {
+          // ReverseAddressMismatch(string,bytes) = 0xef9c03ce
+          if (e.data.startsWith("0xef9c03ce")) {
+            throw e;
+          }
         }
-        throw e;
+        // Swallow expected "no resolver" / "no name" errors
+        return [null] as const;
       });
 
-      if (address.toLowerCase() !== resolvedAddress.toLowerCase()) {
-        return null;
-      }
-
-      return name;
+      return name || null;
     },
     {
       cacheKey: `ens:name:${resolverChain?.id || 1}:${address}`,