Keystone 3 Pro Crypto Wallet
4.4 ⭐⭐⭐⭐
Keystone 3 Pro
- Developed by Keystone, a Hong Kong–based opensource hardware wallet maker founded by Lixin Liu.
- Released in 2023, the Keystone 3 Pro is Keystone’s flagship model, reflecting both the company’s open-source principles – it promotes itself as an “open-source pioneer” and its commitment to web3 innovation and security.
- Keystone has partnered with numerous major crypto projects, payment facilitators, and security specialists, including Solana, ArConnect, BlockWallet, and Yearn.
- Security Features: 5.0 ⭐ 95%
- Supported Cryptocurrencies: 5.0 ⭐ 95%
- User Experience (UX): 5.0 ⭐ 95%
- Integration & Compatibility: 4.0 ⭐ 85%
- Backup & Recovery Options: 4.5 ⭐ 90%
- Hardware
- Non-Custodial.
- The Keystone 3 Pro is built to work with third-party wallets such as MetaMask, BlueWallet, Sparrow, Nunchuk, etc.
- It is also compatible with the Keystone Nexus, a companion app for transaction signing.
Keystone 3 Pro Wallet
Cold wallets are the gold standard for keeping crypto secure. Unlike crypto hot wallets, your private keys stay completely offline, keeping your crypto safe from potential hackers and malware threats. Cold Wallet providers will take different approaches to security, with some offering unique tools to safeguard your digital assets.
The Keystone 3 Pro stands out from rival cold wallets due to its airgapped design, large touchscreen, and advanced security features like multi-secureelement chips and Shamir Secret Sharing. In this Keystone 3 Pro review, we’ll explore how it stacks up on price, usability, security, web3 features, and token support compared to other top cold wallets.
Key Features & Functionalities
Security Features
Employs air-gapped QR/microSD signing, triple secure elements, fingerprint biometrics, Shamir Secret Sharing, anti-tamper self-destruct, and open-source firmware for advanced protection.
Supported Assets
Supports thousands of assets across 200+ blockchains including BTC, ETH, NFTs, with a proposal platform for new integrations.
User Experience (UX)
Features a large 4-inch color touchscreen, smartphone-like design, built-in camera for QR scanning, and fingerprint sensor for intuitive navigation and use.
Integration & Compatibility
Compatible with third-party wallets like MetaMask, BlueWallet, and Keystone Nexus app for Web3, DeFi, and transaction signing.
Backup & Recovery Options
Utilizes BIP39 seed phrases with Shamir Secret Sharing support and SD card for offline backups and recovery.
Pros and Cons of Keystone 3 Pro
Pros:
100% Air-Gapped. Air-gapped QR/micro-SD signing ensures strong offline security.
Triple Secure Elements. Most comparable wallets only have 1 SE chip.
Excellent UX. The device has a large, user-friendly touchscreen.
Open Source Ethos. Keystone prioritizes transparency.
Massive Token Support. Add crypto and NFTs from 200+ blockchains.
Cons:
Bulky Device. The Keystone 3 Pro is not as portable as some cold wallets, including Ledger Nano cold wallets.
Web3 Limitations. No native staking or DeFi interfaces. Keystone relies entirely on third-party apps for web3 and DeFi services.
Security Features
Air-Gapped Signing Security
Airgapped QR code and microSD signing, so there is no need for direct USB or wireless data transfer.
Triple Secure Elements
The wallet uses three independent secure element chips.
Biometric Fingerprint Authentication
Use fingerprint biometrics for wallet entry and optional passphrase protection.
Shamir Secret Sharing (SSS)
You can split the seed phrase into multiple parts for enhanced backup security.
Anti-tamper physical design
With self-destruct mechanisms available.
Open-Source Ethos
Opensource hardware and firmware under MIT license.
Supported Cryptocurrencies
Popular Coins
Keystone 3 Pro supports thousands of cryptocurrencies and digital assets across 200+ blockchains, including BTC, ETH, and NFTs.
Custom Assets
Keystone has a proposal platform, allowing you to suggest support for new cryptocurrencies and wallet integrations.
User Experience (UX)
4-inch touchscreen
Large, easy-to-use color screen.
Sleek design
The wallet has a smartphone-like design with a sturdy build.
Camera
In-built camera for QR scanning and a fingerprint sensor on the back.
Integration & Compatibility
Compatible with widely used wallets and Web3 platforms
MetaMask, BlueWallet, Sparrow, Nunchuk, etc.
Compatible with Keystone Nexus
A companion app for transaction signing
Backup & Recovery Options
Standard BIP39 seed phrase
With Shamir backup support available
SD card support
For offline signing and firmware updates
Security & Risks Assessment
Past Security Incidents
Keystone has had no major vulnerabilities or hacks reported to date. The Keystone 3 Pro is promoted as one of the most secure ways to store your crypto, with innovations like the Triple Secure Element chip system.
User Protection Measures
- Fully air-gapped design mitigates malware risk.
- Open-source ethos allows community auditing.
- Fingerprint and passphrase add additional layers.
- Tamper detection reduces physical compromise risk.
Potential Risks
- The Keystone brand is relatively new and less widespread than Ledger or Trezor, meaning fewer community audits.
- Manufactured in China, which might raise supply-chain trust concerns for some users. However, there is no indication that Keystone devices have been in any way compromised.
- There is a dependence on third-party wallets for web3 activities like staking.
User Reviews & Community Feedback
Trustpilot Ratings & Reviews
Keystone gets 4.7 out of 5 stars on Trustpilot, which is representative of 475 current reviews. The positive reviews highlight the security features, with some praising the wallet’s smartphone-like design as being intuitive. The handful of negative reviews (there are few compared to most crypto products on Trustpilot) mention issues with the battery and delivery problems.
Reddit & Crypto Community Discussions
Crypto users on Reddit praise the air-gapped design, open-source code, large screen, and token support. There are some concerns about bugginess when connecting the wallet to Keystone Nexus and third-party hot wallets like MetaMask.
Expert Reviews & Endorsements
CoinBureau: Highlights QR code signing, biometric authentication, triple-layer security, and SSS.
BlockDyor: Calls Keystone 3 Pro a “versatile open-source wallet… sleek design, top-tier security… exceptional value.”
Pricing & Cost Analysis
Price: $149 USD. Note that Keystone sells a lot of “bundles,” offering the Keystone 3 Pro alongside other Keystone accessories.
The Keystone 3 Pro is placed in the upper mid-range of the cold wallet market, comparable to the Ledger Nano X in price. It offers superior security features and functionality compared to budget cold wallets, such as the Trezor Model One.
Accessories:
You can add micro-SD support or a pouch for a slightly higher cost.
Additional Costs:
Optional purchase include metal seed backups, micro-SD cards, Keystone Tablet accessories. Keystone Nexus is free to download and use.
| Feature | Keystone 3 Pro | Ledger Nano S Plus | Coldcard Mk4 |
|---|---|---|---|
| Security Features | Triple SE, air-gapped, SSS | EAL5+, USB only | Air-gapped, fewer SEs |
| Supported Cryptos |
Thousands of tokens across 200+ blockchains | 5,500+ tokens | Bitcoin-only |
| Companion App | Third-party wallets, Keystone Nexus | Ledger Live | CLI/interfaces |
| Battery | Yes | USB-powered | No |
| Price | $149 – upper mid-range | $79 mid-range | $150 upper mid-range |
Final Verdict & Recommendations
The Keystone 3 Pro is Keystone’s flagship wallet, and, basically, the only device it markets from its range. The company has hung its hat on several benefits – Air-Gapped Signing, a Unique Triple Secure Element Chip mechanism, and one of the widest crypto support from any cold wallet. The only drawback is that its web3 functions – staking, etc. – are much more limited than comparable options offered by Ledger and Trezor. The Trezor Nexus app is only used for basic functions like transaction signing. That said, the lack of DeFi and dApp access is offset by Keystone’s partnership with top DeFi-friendly hot wallets, like Solflare and MetaMask.
The Keystone 3 Pro is a superb option for users who prioritize security and are comfortable using third-party wallets for web3 access. It is also easy to use for beginners. Its relatively large size – it’s similar in bulk to a smartphone – might put some off who prefer small devices and crypto wallet cards, but it remains a highly-rated, secure crypto wallet. We give the Keystone 3 Pro a rating of 4.4 out of 5.
Our Rating
4.4 ⭐
⭐ 4.4 | Keystone 3 Pro Wallet
FAQs
Is the Keystone 3 Pro the safest cold wallet?
The safest cold wallets are a point of debate, but we can say that the Keystone 3 Pro has many ‘premium’ security features, some of which are not offered by rival wallets. These include air-gapped signing via QR code, triple SE chips (almost unique in the industry, Shamir backups, and open-source design. It’s a premium cold wallet, designed to keep your crypto ultra-secure.
Can I store multiple cryptocurrencies in this wallet?
Yes. The Keystone 3 Pro supports thousands of coins and NFTs across 200+ blockchains. This includes major assets like Bitcoin, Ethereum, and XRP, stablecoins like USDT (Tether), memecoins like Doge and Shiba Inu, as well as NFTs supported on the compatible blockchains. Token support is comprehensive and among the best in the cold wallet section.
How does Keystone 3 Pro compare to Ledger Nano X?
The Ledger Nano X is one of the world’s most popular cold wallets, selling millions of units since its introduction. Keystone 3 Pro and the overall Keystone brand are considered up-and-coming. The Ledger Nano X has a similar price point, and it offers more in terms of web3 access (native staking, etc.). The Keystone 3 Pro arguably has superior security features, including the unique 3 SE chip function.
Does the Keystone 3 Pro support staking and DeFi?
Not directly. You can integrate it with third-party apps like MetaMask or BlueWallet for staking and DeFi activity. Keystone puts a lot of emphasis on its integration with De-Fi-friendly hot wallets, striking up partnerships with these brands for seamless access.
How can I recover my wallet if I lose access?
On activating the wallet, you will be provided with a seed phrase (BIP39). This is a series of words in a mnemonic passphrase. It is designed to restore access to your crypto on the blockchain via a new wallet (it does not necessarily have to be a Keystone crypto wallet). You can also use Shamir backup pieces to restore your wallet. Keep backups offline and ideally in multiple formats.
Best Security Practices for Crypto Cold Wallets
Cold wallets are the best way to secure your digital assets. They do this by keeping your private keys (the access point to your crypto) offline, making the wallets immune to the traditional online threats (malware, etc.) faced by hot wallets. Nonetheless, no device can ever be 100% secure. You should augment your crypto wallet security by following simple security tips and advice.
- Always buy cold wallets from official stores and trusted resellers.
- Check the device and packaging for evidence of tampering when you receive it.
- Follow official setup procedures and ensure any connected devices are not public.
- Use all available additional security tools provided by your cold wallet provider, such as passphrases and biometrics.
- Ensure that all device firmware is up to date.
- Follow your wallet provider and other crypto security experts on social media, e.g., @KeystoneWallet, to ensure that you are kept abreast of security trends and potential vulnerabilities.
- Keep your seed phrase stored offline and in a safe place. Do not share it with anyone.