# SSP Key — Your 2FA for SSP Wallet

> Secure 2FA crypto wallet with 2-of-2 multi-signature for enhanced transaction security. (iPhone/iPad app by Influx Technologies Limited.)

- Source: https://appshunter.io/ios/app/ssp-key/id6463717332 (this page in markdown: same URL + `.md`)
- Developer: [Influx Technologies Limited](https://appshunter.io/developer/1656895808)
- Category: Utilities, Finance
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 71 MB
- Languages: American English
- Released: 2024-01-24
- Data updated: 2026-08-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ssp-key/id6463717332/reviews.md

## What is SSP Key?

SSP Key – Secure. Simple. Powerful.
Your 2FA for SSP Wallet: the second key in true 2-of-2 multisignature self-custody.

SSP Key turns your phone into the second factor of a genuine two-of-two multisig wallet. The SSP Wallet browser extension holds one private key, and SSP Key holds the other. Every transaction must be signed by both devices — so a stolen laptop, a phished password, or a compromised browser is never enough to move your funds. There is no single seed phrase that can be stolen from one device.

HOW IT WORKS

- A transaction is created and signed in SSP Wallet on your computer.
- The request instantly appears on your phone in SSP Key.
- You review the details and approve — SSP Key adds the second signature.
- Keys are generated on your devices and never leave them. No seed, private key, or extended private key is ever shared between devices.

APPROVE WITH CONFIDENCE

See exactly what you are signing before you sign it: recipient, amount, fee, and chain, with decoded contract calls for dApp interactions. Approvals are protected by Face ID, Touch ID, or your PIN.

OPEN SOURCE AND AUDITED

The entire codebase is public — anyone can review, audit, and contribute. SSP Wallet, SSP Key, and the SSP smart contracts have been independently audited by Halborn. SSP Key also integrates LavaMoat runtime protection to defend against supply-chain attacks.

MULTI-CHAIN, ONE KEY

One SSP Key secures all your chains: Bitcoin (BTC, Native SegWit), Ethereum (ETH), and major EVM networks — Polygon (POL), Base (ETH), BNB Smart Chain (BNB), Avalanche C-Chain (AVAX) — plus Solana (SOL) and Litecoin (LTC), Bitcoin Cash (BCH), Dogecoin (DOGE), Zcash (ZEC), Ravencoin (RVN), and Flux (FLUX), with custom token support on EVM and Solana chains. On Ethereum and EVM chains, SSP is the first wallet with true Schnorr multi-signature Account Abstraction (ERC-4337).

WEB3 READY

Connect SSP Wallet to thousands of dApps through WalletConnect v2 (Reown). Every dApp transaction and signature still requires approval on your SSP Key — multi-signature security for all of Web3.

WORKS OFFLINE TOO

Sign transactions entirely offline using QR-code synchronization between your devices — self-custody that works even in restricted or air-gapped environments.

GETTING STARTED

1. Install SSP Wallet in your browser (Chrome or Firefox).
2. Install SSP Key (this app) on your phone.
3. Scan the sync QR code — your 2-of-2 wallet is ready in minutes.
4. Approve transactions with a single slide, secured by biometrics.

Guides and documentation: docs.sspwallet.io

SSP Key is built for people who value security, transparency, and real self-custody — whether you are new to crypto or protecting serious holdings.

## Key features

- Two-factor authentication for crypto
- 2-of-2 multi-signature security
- Private keys never shared between devices
- Open-source for transparency
- WalletConnect integration for dApps
- Supports multiple blockchain chains


## Frequently asked questions about SSP Key

### What is SSP Key used for?

SSP Key acts as a secure two-factor authentication method for your SSP Wallet. It requires its own private key to sign transactions, ensuring that two separate devices are needed for any operation, thus enhancing security.

### How does SSP Key ensure security?

SSP Key employs a 2-of-2 multi-signature system. This means that neither the SSP Wallet's private key nor the SSP Key's private key are ever shared between devices. Both must be used to authorize a transaction, making the wallet's security uncompromisable.

### Can I connect SSP Key to decentralized applications?

Yes, SSP Key supports WalletConnect, allowing you to connect to your favorite dApps. This integration provides smooth dApp interaction while maintaining the robust multi-signature security of your wallet.

### What cryptocurrencies does SSP Key support?

SSP Key supports a wide range of popular blockchains, including Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Zcash (ZEC), Dogecoin (DOGE), and many others like Polygon and Binance Smart Chain.

### Is SSP Key available on multiple devices?

SSP Key is designed for use on iPhone and iPad devices. It requires a separate SSP Wallet on another device to operate, reinforcing its multi-device security model.

### What is the update frequency for SSP Key?

The latest version of SSP Key is v1.27.0, last updated on May 22, 2026. This indicates a commitment to ongoing development and security enhancements.

### Does SSP Key have ads?

No, SSP Key does not contain advertisements. It is a free application focused on providing a secure and uninterrupted user experience for managing your cryptocurrency.

### What do users like about SSP Key?

Based on its rating, users appreciate the strong security features, the 2-of-2 multi-signature approach, and the seamless integration with dApps via WalletConnect. The open-source nature also contributes to user trust.

## Version history (last 5 releases)

### v2.1.0 — 2026-08-20

Solana mainnet support. 
Your SSP Key now co-signs Solana transactions — SOL and SPL tokens (USDC, FLUX) secured by the same 2-of-2 approval flow as every other chain.

### v2.0.0 — 2026-08-11

SSP Key 2.0 — the biggest update ever. A complete redesign, with the approval moment rebuilt from the ground up. Same keys, same 2-of-2 self-custody, zero migration.

NEW
• Slide to approve — every signature is a deliberate gesture
• Clearer approvals — plain-language summaries decoded on your device, with loud warnings for unlimited token allowances
• Batch chain sync — approve once to activate multiple chains
• Pairing verification — both devices show the same 6 words, proving your pairing wasn't tampered with
• Real backup verification — a quick word challenge when creating a new key
• Signing history — a local, encrypted, biometric-gated log of everything this Key has co-signed
• Privacy mode — mask identities in your history at a tap

IMPROVED
• The new SSP look across every screen, light and dark
• Smaller app, smoother animations, reduce-motion support

Nothing changed in how transactions are signed or how your seed is stored — verified by independent audit. Works with SSP Wallet v1 and v2; update in any order.

### v1.28.0 — 2026-07-16

Unified color scheme
Refreshed branding

### v1.27.1 — 2026-07-01

Bug fixes

### v1.27.0 — 2026-05-22

Solana Devnet support
Dependency refresh, React Native 0.85
Other minor improvements and bug fixes

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*