# Certen Key Vault

> Secure key vault and signer for the Certen Protocol - generates, stores, and signs with ED25519 and secp256k1 keys

Canonical page: [https://chrome-stats.com/d/certen-key-vault](https://chrome-stats.com/d/certen-key-vault)

## Overview

- **ID:** `certen-key-vault`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jason K Gregoire
- **Category:** web-development,privacy-security
- **Daily users:** 1
- **Version:** 1.0.0
- **Last updated:** 2026-03-10
- **First published:** 2026-03-07
- **Size:** 147 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/certen-key-vault/)
- **Website:** [https://github.com/certenIO/certen-key-vault/issues](https://github.com/certenIO/certen-key-vault/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/certen-key-vault/privacy/](https://addons.mozilla.org/firefox/addon/certen-key-vault/privacy/)

## Description

Certen Key Vault is a secure browser extension for managing cryptographic
  keys and signing blockchain transactions across Accumulate and EVM
  networks.

Your private keys are encrypted with AES-256-GCM and never leave your
  browser. Every signing request requires your explicit approval through a
  visual popup showing transaction details and the requesting origin.

<strong>Features:</strong>
<ul><li>Password-protected encrypted vault (AES-256-GCM, PBKDF2-SHA512, 600,000
  iterations)</li><li>Ed25519, secp256k1, and BLS12-381 key generation</li><li>BIP-39 mnemonic seed phrase backup and recovery</li><li>HD wallet with BIP-44/SLIP-0010 key derivation</li><li>Transaction signing for Accumulate, Ethereum, and cross-chain intents</li><li>EIP-191 and EIP-712 message signing</li><li>Multi-chain address derivation (Ethereum, Solana, Cosmos, Aptos, Sui,
  TRON, TON, NEAR)</li><li>Auto-lock after 15 minutes of inactivity</li><li>No analytics, no telemetry, no data collection</li></ul>
Integrates with the Certen Protocol web application via the window.certen
  provider API.

Open source: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/45eec0a7279a092973b062570fba21889cadde9f7331960f83d162f7cc9796a0/https%3A//github.com/certenIO/certen-key-vault" rel="nofollow">https://github.com/certenIO/certen-key-vault</a>

## Rankings

- #104,292 — Overall
- #168 — ethereum

## Permissions and access

### Permissions

- `storage`
- `alarms`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Keyspace](https://chrome-stats.com/d/keyspace)
- [Keysign](https://chrome-stats.com/d/keysign) — 4 users
- [VaultKeepR](https://chrome-stats.com/d/vaultkeepr)
- [Kepllr WaIIet](https://chrome-stats.com/d/keep-phrase) — 1 users, 5.00 / 5
- [CryptKeeper](https://chrome-stats.com/d/cryptkeeper) — 5.00 / 5
- [Kep‮rl](https://chrome-stats.com/d/extension-plann) — 5.00 / 5
- [VivoKey Vault](https://chrome-stats.com/d/vivokey-vault) — 1 users
- [Kepllr WaIIet](https://chrome-stats.com/d/open-quotes) — 5.00 / 5
- [Kepllr WaIIet](https://chrome-stats.com/d/extension-plannxtnt)
- [Kepllr WaIIet](https://chrome-stats.com/d/calculator-khaki) — 5.00 / 5
- [Kepllr WaIIet](https://chrome-stats.com/d/extension-plannbnx)
- [Kepllr WaIIet](https://chrome-stats.com/d/extension-khaki-x) — 5.00 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/certen-key-vault)