diff --git a/packages/apps/src/bridges/lnbridge-default.ts b/packages/apps/src/bridges/lnbridge-default.ts
index 8f1f26192..91581e0a2 100644
--- a/packages/apps/src/bridges/lnbridge-default.ts
+++ b/packages/apps/src/bridges/lnbridge-default.ts
@@ -41,6 +41,11 @@ export class LnBridgeDefault extends LnBridgeBase {
         sourceAddress: "0x7e101911E5FB461d78FBde3992f76F3Bf8BbA829",
         targetAddress: "0xe8d55759c32fb608fD092aB2C0ef8A1F52B254d4",
       };
+    } else if (this.sourceChain?.id === ChainID.ZKSYNC) {
+      this.contract = {
+        sourceAddress: "0x767Bc046c989f5e63683fB530f939DD34b91ceAC",
+        targetAddress: "0x767Bc046c989f5e63683fB530f939DD34b91ceAC",
+      };
     } else if (isProduction()) {
       this.contract = {
         sourceAddress: "0x94C614DAeFDbf151E1BB53d6A201ae5fF56A9337",
diff --git a/packages/apps/src/config/chains/arbitrum.ts b/packages/apps/src/config/chains/arbitrum.ts
index 256ca2089..1850ec03f 100644
--- a/packages/apps/src/config/chains/arbitrum.ts
+++ b/packages/apps/src/config/chains/arbitrum.ts
@@ -53,7 +53,10 @@ export const arbitrumChain: ChainConfig = {
       type: "erc20",
       address: "0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9",
       logo: "usdt.svg",
-      cross: [{ target: { network: "mantle", symbol: "USDT" }, bridge: { category: "lnbridgev20-default" } }],
+      cross: [
+        { target: { network: "mantle", symbol: "USDT" }, bridge: { category: "lnbridgev20-default" } },
+        { target: { network: "zksync", symbol: "USDT" }, bridge: { category: "lnbridgev20-default" } },
+      ],
     },
   ],
 };
diff --git a/packages/apps/src/config/chains/zksync.ts b/packages/apps/src/config/chains/zksync.ts
index abb032747..f75d974a7 100644
--- a/packages/apps/src/config/chains/zksync.ts
+++ b/packages/apps/src/config/chains/zksync.ts
@@ -26,5 +26,15 @@ export const zksyncChain: ChainConfig = {
       url: "https://explorer.zksync.io/",
     },
   },
-  tokens: [],
+  tokens: [
+    {
+      decimals: 6,
+      symbol: "USDT",
+      name: "USDT",
+      type: "erc20",
+      address: "0x493257fD37EDB34451f62EDf8D2a0C418852bA4C",
+      logo: "usdt.svg",
+      cross: [{ target: { network: "arbitrum", symbol: "USDT" }, bridge: { category: "lnbridgev20-default" } }],
+    },
+  ],
 };