diff --git a/README.md b/README.md
index 3093c8c..f537e50 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # panacea-js
 
-Official client-side JavaScript library for the [medibloc blockchain](https://github.com/medibloc/panacea-core).
+Official client-side JavaScript library for the [medibloc blockchain](https://github.com/medibloc/panacea-core) (Stargate-compatible).
 
 ## Install
 
diff --git a/package.json b/package.json
index 6c02c04..f6cc2b4 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,10 @@
   },
   "homepage": "https://medibloc.org",
   "dependencies": {
+    "@cosmjs/crypto": "^0.25.4",
+    "@cosmjs/proto-signing": "^0.25.4",
+    "@cosmjs/stargate": "^0.25.4",
+    "@cosmjs/tendermint-rpc": "^0.25.4",
     "@medibloc/amino-js": "^1.2.0",
     "axios": "^0.21.1",
     "bech32": "^1.1.4",
@@ -66,6 +70,7 @@
     "eslint": "^7.9.0",
     "jest": "^26.4.2",
     "ts-jest": "^26.3.0",
+    "ts-proto": "^1.81.3",
     "typescript": "^4.0.2"
   }
 }
diff --git a/protocgen.sh b/protocgen.sh
new file mode 100755
index 0000000..ed1a6a8
--- /dev/null
+++ b/protocgen.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+#set -eo pipefail
+set -euxo pipefail
+
+SRC_PATH="third_party/proto"
+DST_PATH="src/proto"
+
+# Fetch 3rd-party proto files
+protodep up -u
+
+# Compile only Panacea proto files
+mkdir -p ${DST_PATH}
+protoc \
+  --plugin=./node_modules/.bin/protoc-gen-ts_proto \
+  --ts_proto_out="${DST_PATH}" \
+  --proto_path="${SRC_PATH}" \
+  --ts_proto_opt="esModuleInterop=true,forceLong=long,useOptional=true" \
+  ${SRC_PATH}/panacea/**/*.proto
diff --git a/test/index.ts b/test/index.ts
new file mode 100644
index 0000000..c7539e3
--- /dev/null
+++ b/test/index.ts
@@ -0,0 +1,112 @@
+import { stringToPath } from "@cosmjs/crypto";
+import { DirectSecp256k1HdWallet, GeneratedType, Registry } from "@cosmjs/proto-signing";
+import {
+  assertIsBroadcastTxSuccess,
+  createProtobufRpcClient,
+  defaultRegistryTypes,
+  QueryClient,
+  SigningStargateClient
+} from '@cosmjs/stargate';
+import { MsgCreateTopic } from '../src/pb/aol/tx';
+import { Tendermint34Client } from '@cosmjs/tendermint-rpc';
+import { QueryClientImpl } from '../src/pb/aol/query';
+
+const rpcEndpoint = "http://localhost:26657"
+const mnemonic = "bless front exercise burst solid venture vapor asthma clean table recall affair decrease hollow fabric voice display grid slim bag kingdom hole junior polar";
+const walletOpts = {
+  hdPaths: [stringToPath("m/44'/371'/0'/0/0")],
+  prefix: "panacea",
+}
+
+describe('yo', () => {
+  it('it1', async () => {
+    const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, walletOpts);
+    const [firstAccount] = await wallet.getAccounts();
+
+    const client = await SigningStargateClient.connectWithSigner(rpcEndpoint, wallet);
+
+    const msg = {
+      typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+      value: {
+        fromAddress: firstAccount.address,
+        toAddress: "panacea1trm407dm66g6mccm4k080e3mh3frcqqy743a74",
+        amount: [{
+          denom: "umed",
+          amount: "100",
+        }],
+      },
+    };
+
+    const fees = {
+      amount: [
+        {
+          denom: "umed",
+          amount: "1000000",
+        },
+      ],
+      gas: "100000",
+    };
+
+    const result = await client.signAndBroadcast(firstAccount.address, [msg], fees, "this is a memo");
+    assertIsBroadcastTxSuccess(result);
+
+    const coins = await client.getAllBalances(firstAccount.address);
+    console.log(coins);
+  });
+
+  it('custom module', async () => {
+    const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, walletOpts);
+    const [firstAccount] = await wallet.getAccounts();
+
+    const a: [string, GeneratedType] = ["/medibloc.panaceacore.aol.MsgCreateTopic", MsgCreateTopic];
+    const i: Iterable<[string, GeneratedType]> = [...defaultRegistryTypes, a];
+    const myRegistry = new Registry(i);
+
+
+    const client = await SigningStargateClient.connectWithSigner(rpcEndpoint, wallet, { registry: myRegistry });
+
+    const msg = {
+      typeUrl: "/medibloc.panaceacore.aol.MsgCreateTopic",
+      value: {
+        topicName: "topic1",
+        description: "this is a description",
+        ownerAddress: firstAccount.address,
+      },
+    };
+
+    const fees = {
+      amount: [
+        {
+          denom: "umed",
+          amount: "1000000",
+        },
+      ],
+      gas: "100000",
+    };
+
+    const result = await client.signAndBroadcast(firstAccount.address, [msg], fees, "this is a memo");
+    assertIsBroadcastTxSuccess(result);
+  });
+
+  it('custom module - query', async () => {
+    const wallet = await DirectSecp256k1HdWallet.fromMnemonic(mnemonic, walletOpts);
+    const [firstAccount] = await wallet.getAccounts();
+
+    // Tendermint34Client knows how to talk to the Tendermint RPC endpoint
+    const tmClient = await Tendermint34Client.connect(rpcEndpoint);
+    // The generic Stargate query client knows how to use the Tendermint34Client to submit unverified ABCI queries
+    const queryClient = new QueryClient(tmClient);
+    // This helper function wraps the generic Stargate query client for use by the specific generated query client.
+    const rpcClient = createProtobufRpcClient(queryClient);
+
+    // Here we instantiate a specific query client which will have the custom methods defined in the proto file.
+    const queryService = new QueryClientImpl(rpcClient);
+
+    const result = await queryService.Topic({
+      ownerAddress: firstAccount.address,
+      topicName: "topic1",
+    });
+
+    console.log(result);
+  });
+});
diff --git a/tsconfig.json b/tsconfig.json
index 0cf7a4d..b7bb49d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -22,7 +22,7 @@
     "removeComments": true,                   /* Do not emit comments to output. */
     // "noEmit": true,                        /* Do not emit outputs. */
     // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
-    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+     "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
     // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
 
     /* Strict Type-Checking Options */