diff --git a/README.md b/README.md
index c4294f1..834cc7b 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,7 @@ logic lives now.
 - `errors` — `VeroError` with stable, switchable `VeroErrorCode`s
 - `network` — network config and HTTPS-enforcing endpoint validation
 - `rpc` — RPC client with failover, health tracking, and origin-safe URL building
+- `account` — Horizon account loader, data-entry helpers, and stroop-safe balances
 - `contract` — typed read/write wrappers for the Vero core contract entrypoints
 
 Wallet adapters and higher-level transaction builders are tracked as open
diff --git a/scripts/smoke-test.mjs b/scripts/smoke-test.mjs
index f69d1ae..51981b4 100644
--- a/scripts/smoke-test.mjs
+++ b/scripts/smoke-test.mjs
@@ -18,19 +18,25 @@ const REQUIRED_EXPORTS = [
   'MAINNET',
   'retry',
   'defaultIsRetryable',
+  'AccountLoader',
+  'AccountDataKey',
 ];
 
 const DECLARATION_CHECKS = [
-  ['cjs', 'index.d.ts', /export \* from '\.\/(types|errors|network|rpc|nonce)\/index\.js'/],
+  ['cjs', 'index.d.ts', /export \* from '\.\/(types|errors|network|rpc|nonce|account)\/index\.js'/],
   ['cjs', 'index.d.ts', /export \* from '\.\/resilience\/backoff\.js'/],
+  ['cjs', 'index.d.ts', "export * from './account/index.js'"],
   ['cjs', 'errors/index.d.ts', 'VeroError'],
   ['cjs', 'rpc/index.d.ts', 'RpcClient'],
   ['cjs', 'nonce/index.d.ts', 'NonceManager'],
-  ['esm', 'index.d.ts', /export \* from '\.\/(types|errors|network|rpc|nonce)\/index\.js'/],
+  ['cjs', 'account/index.d.ts', 'AccountLoader'],
+  ['esm', 'index.d.ts', /export \* from '\.\/(types|errors|network|rpc|nonce|account)\/index\.js'/],
   ['esm', 'index.d.ts', /export \* from '\.\/resilience\/backoff\.js'/],
+  ['esm', 'index.d.ts', "export * from './account/index.js'"],
   ['esm', 'errors/index.d.ts', 'VeroError'],
   ['esm', 'rpc/index.d.ts', 'RpcClient'],
   ['esm', 'nonce/index.d.ts', 'NonceManager'],
+  ['esm', 'account/index.d.ts', 'AccountLoader'],
 ];
 
 function assert(condition, message) {
diff --git a/src/__tests__/index.test.ts b/src/__tests__/index.test.ts
new file mode 100644
index 0000000..38d6297
--- /dev/null
+++ b/src/__tests__/index.test.ts
@@ -0,0 +1,77 @@
+/**
+ * Root barrel regression (#67).
+ *
+ * Account tests imported `../index` (the account-local barrel), so the
+ * module could ship in `dist` and still be unreachable from
+ * `@vero-protocol/sdk`. This file imports the package root and asserts
+ * every module directory is re-exported, so a new module cannot be
+ * omitted the same way.
+ */
+
+import { readdirSync, readFileSync, statSync } from 'node:fs';
+import { join } from 'node:path';
+import {
+  AccountDataKey,
+  AccountLoader,
+  DataKey,
+  EventCursor,
+  NonceManager,
+  retry,
+  Role,
+  RpcClient,
+  validateUrl,
+  VeroError,
+} from '../index';
+
+/**
+ * `contract` re-exports `Task`, `Vote`, and `SubmitResult`, so
+ * `export * from './contract'` collides with `./types`. Resolving that
+ * is outside #67.
+ */
+const ROOT_BARREL_EXCEPTIONS = new Set(['contract']);
+
+describe('package root barrel', () => {
+  it('exposes AccountLoader for import { AccountLoader } from "@vero-protocol/sdk"', () => {
+    expect(AccountLoader).toBeDefined();
+    expect(typeof AccountLoader).toBe('function');
+  });
+
+  it('keeps protocol DataKey distinct from AccountDataKey', () => {
+    expect(DataKey.reputation).toBe('vero_reputation');
+    expect(AccountDataKey.Reputation).toBe('reputation');
+    expect(DataKey).not.toBe(AccountDataKey);
+  });
+
+  it('re-exports every module directory', () => {
+    const srcDir = join(__dirname, '..');
+    const barrel = readFileSync(join(srcDir, 'index.ts'), 'utf8');
+    const moduleDirs = readdirSync(srcDir).filter((name) => {
+      const full = join(srcDir, name);
+      return statSync(full).isDirectory() && name !== '__tests__';
+    });
+
+    for (const name of ROOT_BARREL_EXCEPTIONS) {
+      expect(moduleDirs).toContain(name);
+    }
+
+    const missing = moduleDirs.filter((name) => {
+      if (ROOT_BARREL_EXCEPTIONS.has(name)) {
+        return false;
+      }
+      return !barrel.includes(`from './${name}`);
+    });
+
+    expect(missing).toEqual([]);
+  });
+
+  it('resolves a representative symbol from each public module', () => {
+    expect(Role).toBeDefined();
+    expect(VeroError).toBeDefined();
+    expect(validateUrl).toBeDefined();
+    expect(RpcClient).toBeDefined();
+    expect(NonceManager).toBeDefined();
+    expect(retry).toBeDefined();
+    expect(EventCursor).toBeDefined();
+    expect(AccountLoader).toBeDefined();
+  });
+});
diff --git a/src/account/__tests__/data.test.ts b/src/account/__tests__/data.test.ts
index c829ec3..fa6c1ac 100644
--- a/src/account/__tests__/data.test.ts
+++ b/src/account/__tests__/data.test.ts
@@ -3,7 +3,7 @@
  */
 
 import {
-  DataKey,
+  AccountDataKey,
   readDataEntry,
   getReputation,
   getMetadata,
@@ -80,7 +80,7 @@ describe('Account Data', () => {
     });
 
     it('getReputation returns null for an entry failing the validity check (#70)', () => {
-      const data = { [DataKey.Reputation]: '!!!not base64!!!' };
+      const data = { [AccountDataKey.Reputation]: '!!!not base64!!!' };
       expect(getReputation(data)).toBeNull();
     });
   });
@@ -88,7 +88,7 @@ describe('Account Data', () => {
   describe('getReputation', () => {
     it('should parse valid reputation data', () => {
       const data = {
-        [DataKey.Reputation]: Buffer.from(
+        [AccountDataKey.Reputation]: Buffer.from(
           JSON.stringify({ score: 250, metadata: { contributions: 5 } })
         ).toString('base64'),
       };
@@ -106,7 +106,7 @@ describe('Account Data', () => {
 
     it('should handle invalid reputation JSON gracefully', () => {
       const data = {
-        [DataKey.Reputation]: Buffer.from('invalid json').toString('base64'),
+        [AccountDataKey.Reputation]: Buffer.from('invalid json').toString('base64'),
       };
       const result = getReputation(data);
       expect(result).toBeNull();
@@ -114,7 +114,7 @@ describe('Account Data', () => {
 
     it('should handle reputation with missing score', () => {
       const data = {
-        [DataKey.Reputation]: Buffer.from(
+        [AccountDataKey.Reputation]: Buffer.from(
           JSON.stringify({ metadata: { contributions: 5 } })
         ).toString('base64'),
       };
@@ -136,7 +136,7 @@ describe('Account Data', () => {
 
       for (const { score, tier } of testCases) {
         const data = {
-          [DataKey.Reputation]: Buffer.from(
+          [AccountDataKey.Reputation]: Buffer.from(
             JSON.stringify({ score })
           ).toString('base64'),
         };
@@ -149,7 +149,7 @@ describe('Account Data', () => {
   describe('getMetadata', () => {
     it('should parse valid metadata', () => {
       const data = {
-        [DataKey.Metadata]: Buffer.from(
+        [AccountDataKey.Metadata]: Buffer.from(
           JSON.stringify({ name: 'test', version: 1 })
         ).toString('base64'),
       };
@@ -167,7 +167,7 @@ describe('Account Data', () => {
 
     it('should handle invalid metadata JSON', () => {
       const data = {
-        [DataKey.Metadata]: Buffer.from('invalid json').toString('base64'),
+        [AccountDataKey.Metadata]: Buffer.from('invalid json').toString('base64'),
       };
       const result = getMetadata(data);
       expect(result).toBeNull();
@@ -175,7 +175,7 @@ describe('Account Data', () => {
 
     it('should handle malformed metadata base64', () => {
       const data = {
-        [DataKey.Metadata]: 'not-valid-base64!',
+        [AccountDataKey.Metadata]: 'not-valid-base64!',
       };
       const result = getMetadata(data);
       expect(result).toBeNull();
@@ -185,7 +185,7 @@ describe('Account Data', () => {
   describe('getProfile', () => {
     it('should parse valid profile', () => {
       const data = {
-        [DataKey.Profile]: Buffer.from(
+        [AccountDataKey.Profile]: Buffer.from(
           JSON.stringify({ name: 'testuser', email: 'test@example.com' })
         ).toString('base64'),
       };
@@ -203,7 +203,7 @@ describe('Account Data', () => {
 
     it('should handle invalid profile JSON', () => {
       const data = {
-        [DataKey.Profile]: Buffer.from('invalid json').toString('base64'),
+        [AccountDataKey.Profile]: Buffer.from('invalid json').toString('base64'),
       };
       const result = getProfile(data);
       expect(result).toBeNull();
diff --git a/src/account/__tests__/index.test.ts b/src/account/__tests__/index.test.ts
index f06edf0..035f0e0 100644
--- a/src/account/__tests__/index.test.ts
+++ b/src/account/__tests__/index.test.ts
@@ -9,7 +9,7 @@ describe('Account module index', () => {
     // Check that all expected exports exist
     expect(account.AccountLoader).toBeDefined();
     expect(account.accountLoader).toBeDefined();
-    expect(account.DataKey).toBeDefined();
+    expect(account.AccountDataKey).toBeDefined();
     expect(account.readDataEntry).toBeDefined();
     expect(account.getReputation).toBeDefined();
     expect(account.getMetadata).toBeDefined();
diff --git a/src/account/data.ts b/src/account/data.ts
index 2bf4c5d..ad8b814 100644
--- a/src/account/data.ts
+++ b/src/account/data.ts
@@ -8,15 +8,18 @@
 import { AccountDataEntry, ReputationData } from './types.js';
 
 /**
- * Data key constants
+ * Horizon account data-entry names.
+ *
+ * Named `AccountDataKey` so it does not collide with the contract storage
+ * `DataKey` in `src/types` when both are re-exported from the package root.
  */
-export const DataKey = {
+export const AccountDataKey = {
   Reputation: 'reputation',
   Metadata: 'metadata',
   Profile: 'profile',
 } as const;
 
-export type DataKey = typeof DataKey[keyof typeof DataKey];
+export type AccountDataKey = typeof AccountDataKey[keyof typeof AccountDataKey];
 
 /**
  * Strip trailing base64 padding so two equivalent encodings compare equal.
@@ -70,7 +73,7 @@ export function readDataEntry(
  * @returns The reputation data, or null if not found
  */
 export function getReputation(data: Record<string, string>): ReputationData | null {
-  const entry = readDataEntry(data, DataKey.Reputation);
+  const entry = readDataEntry(data, AccountDataKey.Reputation);
   if (!entry || !entry.isValid) {
     return null;
   }
@@ -105,7 +108,7 @@ function getReputationTier(score: number): 'bronze' | 'silver' | 'gold' | 'plati
  * Read metadata from account data.
  */
 export function getMetadata(data: Record<string, string>): Record<string, unknown> | null {
-  const entry = readDataEntry(data, DataKey.Metadata);
+  const entry = readDataEntry(data, AccountDataKey.Metadata);
   if (!entry || !entry.isValid) {
     return null;
   }
@@ -121,7 +124,7 @@ export function getMetadata(data: Record<string, string>): Record<string, unknow
  * Read profile data from account data.
  */
 export function getProfile(data: Record<string, string>): Record<string, unknown> | null {
-  const entry = readDataEntry(data, DataKey.Profile);
+  const entry = readDataEntry(data, AccountDataKey.Profile);
   if (!entry || !entry.isValid) {
     return null;
   }
diff --git a/src/account/index.ts b/src/account/index.ts
index 76b48ec..8acc9e0 100644
--- a/src/account/index.ts
+++ b/src/account/index.ts
@@ -13,7 +13,7 @@ export { AccountLoader, accountLoader } from './loader.js';
 
 // Data
 export {
-  DataKey,
+  AccountDataKey,
   readDataEntry,
   getReputation,
   getMetadata,
diff --git a/src/index.ts b/src/index.ts
index 8de3cc6..80faefb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,3 +14,4 @@ export * from './rpc/index.js';
 export * from './nonce/index.js';
 export * from './resilience/backoff.js';
 export * from './events/index.js';
+export * from './account/index.js';