diff --git a/examples/common.mjs b/examples/common.mjs
new file mode 100644
index 00000000..dcbe71bd
--- /dev/null
+++ b/examples/common.mjs
@@ -0,0 +1,9 @@
+export const YearnGovernance = "0xFEB4acf3df3cDEA7399794D0869ef76A6EfAff52";
+export const Addresses = !process.env.WEB3_PROVIDER && {
+  adapters: {
+    registryV2: "0xFbD588c72B438faD4Cf7cD879c8F730Faa213Da0",
+    ironBank: "0xed00238F9A0F7b4d93842033cdF56cCB32C781c2"
+  },
+  helper: "0x420b1099B9eF5baba6D92029594eF45E19A04A4A",
+  oracle: "0xE7eD6747FaC5360f88a2EFC03E00d25789F69291"
+};
diff --git a/examples/ironbank.mjs b/examples/ironbank.mjs
new file mode 100644
index 00000000..f1529c01
--- /dev/null
+++ b/examples/ironbank.mjs
@@ -0,0 +1,40 @@
+import Table from "cli-table3";
+
+import { JsonRpcProvider } from "@ethersproject/providers";
+import { YearnGovernance, Addresses } from "./common.mjs";
+
+import { Yearn } from "../dist/index.js";
+
+const url = process.env.WEB3_PROVIDER || "http://localhost:8545";
+const provider = new JsonRpcProvider(url);
+
+const yearn = new Yearn(1, {
+  provider,
+  addresses: Addresses
+});
+
+async function main() {
+  const ironBank = await yearn.ironBank.get();
+
+  const ironBankTable = new Table();
+  ironBankTable.push(...ironBank.map(market => [market.name, market.address, market.typeId]));
+
+  console.log("IronBank markets:");
+  console.log(ironBankTable.toString());
+
+  const ironBankGeneralPositionTable = new Table();
+  const ironBankGeneralPosition = await yearn.ironBank.generalPositionOf(YearnGovernance);
+
+  ironBankGeneralPositionTable.push(...Object.entries(ironBankGeneralPosition));
+  console.log("Yearn Multisig general IronBank position:");
+  console.log(ironBankGeneralPositionTable.toString());
+
+  const ironBankUserMetadataTable = new Table();
+  const ironBankUserMetadata = await yearn.ironBank.userMetadata(YearnGovernance);
+
+  ironBankUserMetadataTable.push(...ironBankUserMetadata.map(market => Object.values(market)));
+  console.log("Yearn Multisig IronBank user metadata:");
+  console.log(ironBankUserMetadataTable.toString());
+}
+
+main();
diff --git a/examples/mvp.js b/examples/mvp.js
deleted file mode 100644
index 82b7ce20..00000000
--- a/examples/mvp.js
+++ /dev/null
@@ -1,95 +0,0 @@
-const Table = require("cli-table3");
-
-const { JsonRpcProvider } = require("@ethersproject/providers");
-
-const { Yearn } = require("../dist");
-
-const url = process.env.WEB3_PROVIDER || "http://localhost:8545";
-const provider = new JsonRpcProvider(url);
-
-const yearn = new Yearn(1, {
-  provider,
-  addresses: {
-    adapters: {
-      registryV2: "0xFbD588c72B438faD4Cf7cD879c8F730Faa213Da0",
-      ironBank: "0xed00238F9A0F7b4d93842033cdF56cCB32C781c2"
-    },
-    helper: "0x420b1099B9eF5baba6D92029594eF45E19A04A4A",
-    oracle: "0xE7eD6747FaC5360f88a2EFC03E00d25789F69291"
-  }
-});
-
-async function main() {
-  const gov = "0xFEB4acf3df3cDEA7399794D0869ef76A6EfAff52";
-
-  // VAULTS V1 & V2
-  const vaults = await yearn.vaults.get();
-
-  const vaultsTable = new Table();
-  vaultsTable.push(...vaults.map(vault => [vault.name, vault.address, vault.typeId]));
-
-  console.log("V1 & V2 vaults:");
-  console.log(vaultsTable.toString());
-
-  const positions = await yearn.vaults.positionsOf(gov);
-
-  const positionsTable = new Table();
-  positionsTable.push(
-    ...positions.map(position => {
-      const vault = vaults.find(vault => (vault.address = position.assetAddress));
-      return [vault.name, position.balance];
-    })
-  );
-
-  console.log("Yearn Multisig vault positions:");
-  console.log(positionsTable.toString());
-
-  // Get token balances for common coins in ETH mainnet
-  const vaultBalances = await yearn.vaults.balances(gov);
-
-  const vaultBalancesTable = new Table();
-  vaultBalancesTable.push(...vaultBalances.map(balance => [balance.token.name, balance.balance, balance.balanceUsdc]));
-
-  console.log("Yearn Multisig underlying vault tokens balances:");
-  console.log(vaultBalancesTable.toString());
-  
-  // IRON BANK
-  const ironBank = await yearn.ironBank.get();
-
-  const ironBankTable = new Table();
-  ironBankTable.push(...ironBank.map(market => [market.name, market.address, market.typeId]));
-
-  console.log("IronBank markets:");
-  console.log(ironBankTable.toString());
-
-  const ironBankGeneralPositionTable = new Table();
-  const ironBankGeneralPosition = await yearn.ironBank.generalPositionOf(gov);
-
-  ironBankGeneralPositionTable.push(...Object.entries(ironBankGeneralPosition));
-  console.log("Yearn Multisig general IronBank position:");
-  console.log(ironBankGeneralPositionTable.toString());
-
-  const ironBankUserMetadataTable = new Table();
-  const ironBankUserMetadata = await yearn.ironBank.userMetadata(gov);
-
-  ironBankUserMetadataTable.push(...ironBankUserMetadata.map(market => Object.values(market)));
-  console.log("Yearn Multisig IronBank user metadata:");
-  console.log(ironBankUserMetadataTable.toString());
-
-  // ONLY ETH
-
-  // Get all tokens supported by zapper
-  const supported = await yearn.tokens.supported();
-  console.log("SDK supported tokens:", supported.length);
-
-  // Get token balances for common coins in ETH mainnet
-  const balances = await yearn.tokens.balances(gov);
-
-  const balancesTable = new Table();
-  balancesTable.push(...balances.map(balance => [balance.token.name, balance.balance, balance.balanceUsdc]));
-
-  console.log("Yearn Multisig token balances:");
-  console.log(balancesTable.toString());
-}
-
-main();
diff --git a/examples/token.mjs b/examples/token.mjs
new file mode 100644
index 00000000..aaed5a64
--- /dev/null
+++ b/examples/token.mjs
@@ -0,0 +1,31 @@
+import Table from "cli-table3";
+
+import { JsonRpcProvider } from "@ethersproject/providers";
+import { YearnGovernance, Addresses } from "./common.mjs";
+
+import { Yearn } from "../dist/index.js";
+
+const url = process.env.WEB3_PROVIDER || "http://localhost:8545";
+const provider = new JsonRpcProvider(url);
+
+const yearn = new Yearn(1, {
+  provider,
+  addresses: Addresses
+});
+
+async function main() {
+  // Get all tokens supported by zapper
+  const supported = await yearn.tokens.supported();
+  console.log("Zapper supported tokens:", supported.length);
+
+  // Get token balances for common coins in ETH mainnet
+  const balances = await yearn.tokens.balances(YearnGovernance);
+
+  const balancesTable = new Table();
+  balancesTable.push(...balances.map(balance => [balance.token.name, balance.balance, balance.balanceUsdc]));
+
+  console.log("Yearn Multisig token balances:");
+  console.log(balancesTable.toString());
+}
+
+main();
diff --git a/examples/vault.mjs b/examples/vault.mjs
new file mode 100644
index 00000000..7692dd47
--- /dev/null
+++ b/examples/vault.mjs
@@ -0,0 +1,39 @@
+import Table from "cli-table3";
+
+import { JsonRpcProvider } from "@ethersproject/providers";
+import { YearnGovernance, Addresses } from "./common.mjs";
+
+import { Yearn } from "../dist/index.js";
+
+const url = process.env.WEB3_PROVIDER || "http://localhost:8545";
+const provider = new JsonRpcProvider(url);
+
+const yearn = new Yearn(1, {
+  provider,
+  addresses: Addresses
+});
+
+async function main() {
+  const vaults = await yearn.vaults.get();
+
+  const vaultsTable = new Table();
+  vaultsTable.push(...vaults.map(vault => [vault.name, vault.address, vault.typeId]));
+
+  console.log("V1 & V2 vaults:");
+  console.log(vaultsTable.toString());
+
+  const positions = await yearn.vaults.positionsOf(YearnGovernance);
+
+  const positionsTable = new Table();
+  positionsTable.push(
+    ...positions.map(position => {
+      const vault = vaults.find(vault => (vault.address = position.assetAddress));
+      return [vault.name, position.balance];
+    })
+  );
+
+  console.log("Yearn Multisig vault positions:");
+  console.log(positionsTable.toString());
+}
+
+main();
diff --git a/src/services/adapters/ironbank.ts b/src/services/adapters/ironbank.ts
index 18e9ee1b..626b538c 100644
--- a/src/services/adapters/ironbank.ts
+++ b/src/services/adapters/ironbank.ts
@@ -57,9 +57,9 @@ export class IronBankAdapter<T extends ChainId> extends ContractService {
     switch (chainId) {
       case 1:
       case 1337:
-        return "0x21670dDB429B6D80B5bE4e65532576bB14b7cC62";
+        return "0xFF0bd2d0C7E9424ccB149ED3757155eEf41a793D";
       case 250: // FIXME: doesn't actually exist
-        return "0x21670dDB429B6D80B5bE4e65532576bB14b7cC62";
+        return "0xFF0bd2d0C7E9424ccB149ED3757155eEf41a793D";
     }
   }
 
diff --git a/src/services/adapters/registry.ts b/src/services/adapters/registry.ts
index 5702a9be..fd12b2ad 100644
--- a/src/services/adapters/registry.ts
+++ b/src/services/adapters/registry.ts
@@ -32,9 +32,9 @@ export class RegistryV2Adapter<T extends ChainId> extends ContractService implem
     switch (chainId) {
       case 1:
       case 1337:
-        return "0xE75E51566C5761896528B4698a88C92A54B3C954";
+        return "0x240315db938d44bb124ae619f5fd0269a02d1271";
       case 250: // FIXME: doesn't actually exist
-        return "0xE75E51566C5761896528B4698a88C92A54B3C954";
+        return "0x240315db938d44bb124ae619f5fd0269a02d1271";
     }
   }
 
diff --git a/src/services/helper.ts b/src/services/helper.ts
index 1b65e7d5..6f107bbe 100644
--- a/src/services/helper.ts
+++ b/src/services/helper.ts
@@ -22,10 +22,10 @@ export class HelperService<T extends ChainId> extends ContractService {
 
   static addressByChain(chainId: ChainId): string {
     switch (chainId) {
-      case 1: // FIXME: doesn't actually exist
-      case 250: // ditto
-      case 1337: // ditto
-        return "0x420b1099B9eF5baba6D92029594eF45E19A04A4A";
+      case 1:
+      case 1337:
+      case 250: // FIXME: doesn't actually exist
+        return "0x5AACD0D03096039aC4381CD814637e9FB7C34a6f";
     }
   }