diff --git a/packages/stargate/src/queries/bank.spec.ts b/packages/stargate/src/queries/bank.spec.ts
index bb50bcd3..14a0f6c5 100644
--- a/packages/stargate/src/queries/bank.spec.ts
+++ b/packages/stargate/src/queries/bank.spec.ts
@@ -44,4 +44,31 @@ describe("BankExtension", () => {
       expect(response).toBeNull();
     });
   });
+
+  describe("allBalances", () => {
+    it("returns all balances for unused account", async () => {
+      pendingWithoutSimapp();
+      const client = await makeBankClient(simapp.tendermintUrl);
+
+      const balances = await client.bank.unverified.allBalances(unused.address);
+      expect(balances).toEqual([
+        {
+          amount: unused.balanceFee,
+          denom: simapp.denomFee,
+        },
+        {
+          amount: unused.balanceStaking,
+          denom: simapp.denomStaking,
+        },
+      ]);
+    });
+
+    it("returns an empty list for non-existent account", async () => {
+      pendingWithoutSimapp();
+      const client = await makeBankClient(simapp.tendermintUrl);
+
+      const balances = await client.bank.unverified.allBalances(nonExistentAddress);
+      expect(balances).toEqual([]);
+    });
+  });
 });
diff --git a/packages/stargate/src/queries/bank.ts b/packages/stargate/src/queries/bank.ts
index b6a93a0d..2207f8e6 100644
--- a/packages/stargate/src/queries/bank.ts
+++ b/packages/stargate/src/queries/bank.ts
@@ -7,7 +7,8 @@ import { QueryClient } from "../queryclient";
  * Use this to convert a protobuf.js class to the interface (e.g. Coin to ICoin)
  * in a ways that makes Jasmine's toEqual happy.
  */
-function toObject<I extends O, O>(thing: I): O {
+// eslint-disable-next-line @typescript-eslint/ban-types
+function toObject<I extends object>(thing: I): Omit<I, never> {
   return { ...thing };
 }
 
@@ -15,7 +16,7 @@ export interface BankExtension {
   readonly bank: {
     readonly balance: (address: string, denom: string) => Promise<cosmos.ICoin | null>;
     readonly unverified: {
-      readonly balances: (address: string) => Promise<cosmos.ICoin[]>;
+      readonly allBalances: (address: string) => Promise<cosmos.ICoin[]>;
     };
   };
 }
@@ -47,9 +48,9 @@ export function setupBankExtension(base: QueryClient): BankExtension {
         return responseData.length ? toObject(cosmos.Coin.decode(responseData)) : null;
       },
       unverified: {
-        balances: async (address: string) => {
-          const response = await queryService.allBalances({ address: Bech32.decode(address).data });
-          return response.balances;
+        allBalances: async (address: string) => {
+          const { balances } = await queryService.allBalances({ address: Bech32.decode(address).data });
+          return balances.map(toObject);
         },
       },
     },
diff --git a/packages/stargate/src/stargateclient.ts b/packages/stargate/src/stargateclient.ts
index 9cf168f6..64e34451 100644
--- a/packages/stargate/src/stargateclient.ts
+++ b/packages/stargate/src/stargateclient.ts
@@ -204,7 +204,7 @@ export class StargateClient {
    * proofs from such a method.
    */
   public async getAllBalancesUnverified(address: string): Promise<readonly Coin[]> {
-    const balances = await this.queryClient.bank.unverified.balances(address);
+    const balances = await this.queryClient.bank.unverified.allBalances(address);
     return balances.map(coinFromProto);
   }
 
diff --git a/packages/stargate/types/queries/bank.d.ts b/packages/stargate/types/queries/bank.d.ts
index 48cabf7d..6b62b2c4 100644
--- a/packages/stargate/types/queries/bank.d.ts
+++ b/packages/stargate/types/queries/bank.d.ts
@@ -4,7 +4,7 @@ export interface BankExtension {
   readonly bank: {
     readonly balance: (address: string, denom: string) => Promise<cosmos.ICoin | null>;
     readonly unverified: {
-      readonly balances: (address: string) => Promise<cosmos.ICoin[]>;
+      readonly allBalances: (address: string) => Promise<cosmos.ICoin[]>;
     };
   };
 }