diff --git a/sdk/js/src/utils/array.test.ts b/sdk/js/src/utils/array.test.ts
index b165552f88..f1b7c44d23 100644
--- a/sdk/js/src/utils/array.test.ts
+++ b/sdk/js/src/utils/array.test.ts
@@ -33,6 +33,33 @@ test("wormchain address conversion", () => {
   expect(tryNativeToHexString(human, "wormchain")).toBe(canonical);
 });
 
+test("wormchain address conversion2", () => {
+  const human =
+    "wormhole1466nf3zuxpya8q9emxukd7vftaf6h4psr0a07srl5zw74zh84yjq4lyjmh";
+  const canonical =
+    "aeb534c45c3049d380b9d9b966f9895f53abd4301bfaff407fa09dea8ae7a924";
+  const native = tryUint8ArrayToNative(
+    new Uint8Array(Buffer.from(canonical, "hex")),
+    "wormchain"
+  );
+  expect(native).toBe(human);
+
+  expect(tryNativeToHexString(human, "wormchain")).toBe(canonical);
+});
+
+test("wormchain address conversion no leading 0s", () => {
+  const human = "wormhole1yre8d0ek4vp0wjlec407525zjctq7t32z930fp";
+  const canonical = "20f276bf36ab02f74bf9c55fea2a8296160f2e2a";
+  const native = tryUint8ArrayToNative(
+    new Uint8Array(Buffer.from(canonical, "hex")),
+    "wormchain"
+  );
+  expect(native).toBe(human);
+
+  // Can't do the reverse because the supplied canonical does not have leading 0s
+  // expect(tryNativeToHexString(human, "wormchain")).toBe(canonical);
+});
+
 test("injective address conversion", () => {
   const human = "inj180rl9ezc4389t72pc3vvlkxxs5d9jx60w9eeu3";
   const canonical = canonicalAddress(human);
@@ -40,3 +67,15 @@ test("injective address conversion", () => {
   const native = tryUint8ArrayToNative(lpadCanonical, "injective");
   expect(native).toBe(human);
 });
+
+test("sei address conversion", () => {
+  const human =
+    "sei189adguawugk3e55zn63z8r9ll29xrjwca636ra7v7gxuzn98sxyqwzt47l";
+  const canonical =
+    "397ad473aee22d1cd2829ea2238cbffa8a61c9d8eea3a1f7ccf20dc14ca78188";
+  const native = tryUint8ArrayToNative(
+    new Uint8Array(Buffer.from(canonical, "hex")),
+    "sei"
+  );
+  expect(native).toBe(human);
+});
diff --git a/sdk/js/src/utils/array.ts b/sdk/js/src/utils/array.ts
index 78329458a0..15c3444a9e 100644
--- a/sdk/js/src/utils/array.ts
+++ b/sdk/js/src/utils/array.ts
@@ -57,7 +57,7 @@ import { isValidSuiType } from "../sui";
  */
 export const isHexNativeTerra = (h: string): boolean => h.startsWith("01");
 
-const isLikely20ByteTerra = (h: string): boolean =>
+const isLikely20ByteCosmwasm = (h: string): boolean =>
   h.startsWith("000000000000000000000000");
 
 export const nativeTerraHexToDenom = (h: string): string =>
@@ -93,23 +93,29 @@ export const tryUint8ArrayToNative = (
     if (isHexNativeTerra(h)) {
       return nativeTerraHexToDenom(h);
     } else {
-      if (chainId === CHAIN_ID_TERRA2 && !isLikely20ByteTerra(h)) {
+      if (chainId === CHAIN_ID_TERRA2 && !isLikely20ByteCosmwasm(h)) {
         // terra 2 has 32 byte addresses for contracts and 20 for wallets
         return humanAddress("terra", a);
       }
       return humanAddress("terra", a.slice(-20));
     }
   } else if (chainId === CHAIN_ID_INJECTIVE) {
-    return humanAddress("inj", a.slice(-20));
+    const h = uint8ArrayToHex(a);
+    return humanAddress("inj", isLikely20ByteCosmwasm(h) ? a.slice(-20) : a);
   } else if (chainId === CHAIN_ID_ALGORAND) {
     return uint8ArrayToNativeStringAlgorand(a);
   } else if (chainId == CHAIN_ID_WORMCHAIN) {
-    // wormchain addresses are always 20 bytes.
-    return humanAddress("wormhole", a.slice(-20));
+    const h = uint8ArrayToHex(a);
+    return humanAddress(
+      "wormhole",
+      isLikely20ByteCosmwasm(h) ? a.slice(-20) : a
+    );
   } else if (chainId === CHAIN_ID_XPLA) {
-    return humanAddress("xpla", a.slice(-20));
+    const h = uint8ArrayToHex(a);
+    return humanAddress("xpla", isLikely20ByteCosmwasm(h) ? a.slice(-20) : a);
   } else if (chainId === CHAIN_ID_SEI) {
-    return humanAddress("sei", a.slice(-20));
+    const h = uint8ArrayToHex(a);
+    return humanAddress("sei", isLikely20ByteCosmwasm(h) ? a.slice(-20) : a);
   } else if (chainId === CHAIN_ID_NEAR) {
     throw Error("uint8ArrayToNative: Use tryHexToNativeStringNear instead.");
   } else if (chainId === CHAIN_ID_OSMOSIS) {