From 43c2b9f7251c0d04aa245840388b1f1fc6714852 Mon Sep 17 00:00:00 2001
From: Charly Chevalier <charly.chevalier@consensys.net>
Date: Tue, 7 Jul 2026 17:03:38 +0200
Subject: [PATCH 1/2] feat(keyring-api): add base32 private key type

---
 .../src/v2/api/create-account/index.test.ts   | 13 ++++++++++
 .../keyring-api/src/v2/api/keyring.test-d.ts  | 26 +++++++++++++++++++
 .../keyring-api/src/v2/api/private-key.ts     |  6 +++++
 3 files changed, 45 insertions(+)

diff --git a/packages/keyring-api/src/v2/api/create-account/index.test.ts b/packages/keyring-api/src/v2/api/create-account/index.test.ts
index 015649dbd..3bfe7a32b 100644
--- a/packages/keyring-api/src/v2/api/create-account/index.test.ts
+++ b/packages/keyring-api/src/v2/api/create-account/index.test.ts
@@ -63,6 +63,19 @@ describe('CreateAccountOptionsStruct', () => {
         assert(validPrivateKey, CreateAccountOptionsStruct),
       ).not.toThrow();
     });
+
+    it('validates PrivateKeyImport type with base32 encoding correctly', () => {
+      const validPrivateKey = {
+        type: AccountCreationType.PrivateKeyImport,
+        privateKey: 'JBSWY3DPEHPK3PXP',
+        encoding: 'base32',
+      };
+
+      expect(is(validPrivateKey, CreateAccountOptionsStruct)).toBe(true);
+      expect(() =>
+        assert(validPrivateKey, CreateAccountOptionsStruct),
+      ).not.toThrow();
+    });
   });
 
   describe('invalid account creation types', () => {
diff --git a/packages/keyring-api/src/v2/api/keyring.test-d.ts b/packages/keyring-api/src/v2/api/keyring.test-d.ts
index 3a02f89f6..c18c4d21d 100644
--- a/packages/keyring-api/src/v2/api/keyring.test-d.ts
+++ b/packages/keyring-api/src/v2/api/keyring.test-d.ts
@@ -50,6 +50,15 @@ expectAssignable<ImportPrivateKeyFormat>({
   type: 'eip155:eoa',
 });
 
+expectAssignable<ImportPrivateKeyFormat>({
+  encoding: 'base32',
+});
+
+expectAssignable<ImportPrivateKeyFormat>({
+  encoding: 'base32',
+  type: 'eip155:eoa',
+});
+
 expectNotAssignable<ImportPrivateKeyFormat>({
   encoding: 'invalid',
 });
@@ -133,6 +142,12 @@ expectAssignable<CreateAccountPrivateKeyOptions>({
   accountType: 'bip122:p2wpkh',
 });
 
+expectAssignable<CreateAccountPrivateKeyOptions>({
+  type: AccountCreationType.PrivateKeyImport,
+  privateKey: 'JBSWY3DPEHPK3PXP',
+  encoding: 'base32',
+});
+
 // Test CreateAccountCustomOptions
 expectAssignable<CreateAccountCustomOptions>({
   type: AccountCreationType.Custom,
@@ -172,6 +187,11 @@ expectAssignable<ExportAccountOptions>({
   encoding: 'base58',
 });
 
+expectAssignable<ExportAccountOptions>({
+  type: AccountExportType.PrivateKey,
+  encoding: 'base32',
+});
+
 // Test PrivateKeyExportedAccount
 expectAssignable<PrivateKeyExportedAccount>({
   type: AccountExportType.PrivateKey,
@@ -186,6 +206,12 @@ expectAssignable<ExportedAccount>({
   encoding: 'base58',
 });
 
+expectAssignable<ExportedAccount>({
+  type: AccountExportType.PrivateKey,
+  privateKey: 'JBSWY3DPEHPK3PXP',
+  encoding: 'base32',
+});
+
 // Test Keyring interface
 expectAssignable<Keyring['type']>(KeyringType.Hd);
 expectAssignable<Keyring['capabilities']>({
diff --git a/packages/keyring-api/src/v2/api/private-key.ts b/packages/keyring-api/src/v2/api/private-key.ts
index 97b657058..12176c9c6 100644
--- a/packages/keyring-api/src/v2/api/private-key.ts
+++ b/packages/keyring-api/src/v2/api/private-key.ts
@@ -16,6 +16,11 @@ export enum PrivateKeyEncoding {
    * Base58 encoding format.
    */
   Base58 = 'base58',
+
+  /**
+   * Base32 encoding format.
+   */
+  Base32 = 'base32',
 }
 
 /**
@@ -24,6 +29,7 @@ export enum PrivateKeyEncoding {
 export const PrivateKeyEncodingStruct = enums([
   `${PrivateKeyEncoding.Hexadecimal}`,
   `${PrivateKeyEncoding.Base58}`,
+  `${PrivateKeyEncoding.Base32}`,
 ]);
 
 /**

From c41a37f0f1270f4912f3ecfd7bfc68330b84032c Mon Sep 17 00:00:00 2001
From: Charly Chevalier <charly.chevalier@consensys.net>
Date: Wed, 8 Jul 2026 11:33:53 +0200
Subject: [PATCH 2/2] chore: changelog

---
 packages/keyring-api/CHANGELOG.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/keyring-api/CHANGELOG.md b/packages/keyring-api/CHANGELOG.md
index 3799f6e3b..fd7ed981e 100644
--- a/packages/keyring-api/CHANGELOG.md
+++ b/packages/keyring-api/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add support for `base32` private key encoding in `exportAccount` ([#589](https://github.com/MetaMask/accounts/pull/589))
+
 ## [23.5.0]
 
 ### Added