diff --git a/packages/massa-web3/test/experimental/unit/account.spec.ts b/packages/massa-web3/test/experimental/unit/account.spec.ts
index 22d96543..b3f0e17a 100644
--- a/packages/massa-web3/test/experimental/unit/account.spec.ts
+++ b/packages/massa-web3/test/experimental/unit/account.spec.ts
@@ -77,6 +77,56 @@ describe('Basic use cases', () => {
     expect(account.address.isEOA).toBe(true)
   })
 
+  test('Account - to and from keystore (V0)', async () => {
+    const accountv0 = await Account.fromPrivateKey(
+      'S12jWf59Yzf2LimL89soMnAP2VEBDBpfCbZLoEFo36CxEL3j92rZ',
+      Version.V0
+    )
+
+    const ks = await accountv0.toKeyStore(
+      'unsecurePassword',
+      new Uint8Array([
+        146, 63, 151, 136, 93, 135, 105, 113, 124, 41, 189, 207, 86, 124, 17,
+        152,
+      ]),
+      new Uint8Array([250, 104, 81, 250, 235, 79, 110, 84, 243, 225, 144, 242])
+    )
+    expect(ks.Version).toBe(Version.V0)
+    expect(ks.Address).toBe(
+      'AU126tkwrhXn9gEG5JPtrNy8NNLbVMwywokgLKshSYyzP8qusqXZL'
+    )
+    expect(ks.Nonce).toStrictEqual(
+      new Uint8Array([250, 104, 81, 250, 235, 79, 110, 84, 243, 225, 144, 242])
+    )
+    expect(ks.Salt).toStrictEqual(
+      new Uint8Array([
+        146, 63, 151, 136, 93, 135, 105, 113, 124, 41, 189, 207, 86, 124, 17,
+        152,
+      ])
+    )
+    expect(ks.PublicKey).toStrictEqual([
+      0, 143, 111, 199, 160, 227, 187, 57, 238, 223, 80, 251, 169, 64, 21, 116,
+      165, 95, 187, 192, 76, 97, 33, 64, 208, 119, 99, 182, 139, 174, 219, 61,
+      109,
+    ])
+    expect(ks.CipheredData).toStrictEqual([
+      191, 181, 5, 198, 76, 145, 242, 89, 253, 215, 151, 10, 245, 32, 241, 9,
+      171, 181, 76, 103, 121, 184, 33, 16, 227, 83, 53, 133, 194, 38, 20, 217,
+      34, 61, 169, 108, 156, 217, 196, 74, 34, 127, 129, 33, 103, 215, 117, 66,
+      78,
+    ])
+
+    const account = await Account.fromKeyStore(ks, 'unsecurePassword')
+
+    expect(account).toBeDefined()
+    expect(account.privateKey).toBeDefined()
+    expect(account.publicKey).toBeDefined()
+    expect(account.address).toBeDefined()
+    expect(account.version).toBe(Version.V0)
+    expect(account.address.version).toBe(Version.V0)
+    expect(account.address.isEOA).toBe(true)
+  })
+
   test('Account - from yaml file', async () => {
     const walletPath = path.join(__dirname, 'wallet_test_version_1.yaml')
 
@@ -91,4 +141,30 @@ describe('Basic use cases', () => {
     expect(account.address.version).toBe(Version.V0)
     expect(account.address.isEOA).toBe(true)
   })
+
+  test('Account - from environment variables', async () => {
+    process.env.PRIVATE_KEY =
+      'S12jWf59Yzf2LimL89soMnAP2VEBDBpfCbZLoEFo36CxEL3j92rZ'
+
+    const account = await Account.fromEnv()
+
+    expect(account).toBeDefined()
+    expect(account.address.toString()).toBe(
+      'AU126tkwrhXn9gEG5JPtrNy8NNLbVMwywokgLKshSYyzP8qusqXZL'
+    )
+    expect(account.publicKey.toString()).toBe(
+      'P126AtzfcSJwdi6xsAmXbzXhhwVhS9d1hRjFNT4PfrDogt3nAihj'
+    )
+    expect(account.version).toBe(Version.V1)
+    expect(account.address.isEOA).toBe(true)
+  })
+
+  test('Account - sign message and verify signature', async () => {
+    const account = await Account.fromPrivateKey(
+      'S12jWf59Yzf2LimL89soMnAP2VEBDBpfCbZLoEFo36CxEL3j92rZ'
+    )
+    const messsage = new Uint8Array([1, 2, 3])
+    const signature = await account.sign(messsage)
+    expect(account.verify(messsage, signature)).toBeTruthy()
+  })
 })
diff --git a/packages/massa-web3/test/experimental/unit/passwordSeal.spec.ts b/packages/massa-web3/test/experimental/unit/passwordSeal.spec.ts
new file mode 100644
index 00000000..8a8d5578
--- /dev/null
+++ b/packages/massa-web3/test/experimental/unit/passwordSeal.spec.ts
@@ -0,0 +1,19 @@
+import { PasswordSeal } from '../../../src/experimental/crypto/passwordSeal'
+import randomUint8Array from 'secure-random'
+
+describe('Password Seal tests', () => {
+  test('creates Sealer from env variable', async () => {
+    process.env.PASSWORD = 'unsecurePassword'
+    process.env.SALT = Buffer.from(randomUint8Array(16)).toString('base64')
+    process.env.NONCE = Buffer.from(randomUint8Array(12)).toString('base64')
+
+    const sealer = PasswordSeal.fromEnv()
+    expect(sealer).toBeDefined()
+
+    const originalData = Uint8Array.from([1, 2, 3, 4, 5])
+    const encryptedData = await sealer.seal(originalData)
+    const decryptedData = await sealer.unseal(encryptedData)
+
+    expect(originalData).toEqual(Uint8Array.from(decryptedData))
+  })
+})