Keystone Wallet In-Depth Review | Is Keystone Wallet Safe? Is It a Scam?

1. Brand Background and Development History

1. Company and Origin

• Predecessor : Cobo Vault (founded by Shenyu and his team, the hardware division of Cobo Wallet).

• Rebranding : In 2021, it went independent and changed its name to Keystone.

• Headquarters : Singapore.

• Vision : To create a hardware wallet with the highest level of security, suitable for large assets and professional investors.

2. Product positioning

• It features an Air-Gapped fully isolated design and is completely independent of USB, Bluetooth or WiFi.

• Positioned as a high-end hardware wallet, it is similar to the Ellipal Titan , but goes a step further in user experience and openness.

3. Market position

• It is regarded as one of the representatives of "professional cold wallets" and is suitable for institutions or large users.

• It is gradually being accepted by security enthusiasts and businesses in the European and American markets.

2. Functions and User Experience

1. Multi-asset support

• Supports mainstream chains such as BTC, ETH, BNB, SOL, DOT, ADA, XRP, TRON, etc.

• Supports ERC-20, BEP-20, TRC-20 and other tokens.

• Support NFT management (through Keystone App + third party).

2. Hardware Design

• All-metal body , anti-disassembly design.

• 4-inch touch screen for intuitive operation.

• No Bluetooth/No USB/No WiFi , completely isolated.

• Scan the QR code with the camera to complete the transaction signature.

• Built-in removable battery for easy replacement.

3. Software Support

• The Keystone App (iOS/Android) is used to generate transaction QR codes.

• Compatible with third-party wallets such as MetaMask, Electrum, BlueWallet, etc.

• Supports WalletConnect and access to DeFi.

4. User Experience

• Advantages: Large touch screen, intuitive operation.

• Disadvantages: The process is complicated and not suitable for high-frequency trading.

3. Security and Compliance

1. Security Architecture

• Air-Gapped : No wireless or wired connections are supported.

• Multi-signature : Supports use with BTC and ETH multi-signature wallets.

• Security chip : Uses EAL5+ certified security chip.

• Open source : The firmware is partially open source, which provides high transparency.

2. Security Incidents

• As of 2025, there have been no reported Keystone breaches.

• The security controversy mainly stems from the "complex operation" that can easily cause users to lose their mnemonics.

3. Compliance

4. User and Media Reviews

1. Media Comments

• CoinTelegraph : "Keystone is a professional-grade cold wallet that offers extreme security, but at the expense of convenience."

• Decrypt : "Suitable for high-volume users, not for beginners."

• Bitcoin.com : “The full isolation mode is the biggest highlight.”

2. User Feedback

• front :

• “Very safe, I use it to store large amounts of Bitcoin.”

• “The touchscreen is intuitive to use.”

• Negative :

• “Updating transactions requires a lot of steps.”

• “It doesn’t support Bluetooth, so mobile interaction is inconvenient.”

• “The price is higher.”

3. Case

Some users on Twitter have reported being unable to recover their funds after their device was damaged due to improperly saving their mnemonic phrases. Official reminder: Backing up your mnemonic phrases is crucial.

V. Risk Warning

1. High operational complexity : not friendly to novices.

2. Not suitable for high-frequency trading : Isolation mode is more suitable for long-term storage.

3. Dependence on the App : If there is a problem with the Keystone App, the experience will be limited.

4. The price is higher : it costs about $169-199.

6. Competitive Comparison

VII. Summary

Keystone Wallet is a professional-grade cold wallet that features full isolation and metal protection, making it suitable for large-scale long-term storage .

• Advantages : Extremely secure, touch screen, and highly open source.

• Disadvantages : not portable, expensive, and complicated to operate.

Summary in one sentence :
Keystone Wallet is suitable for large and long-term investors and represents "ultimate security", but it is not suitable for frequent transactions.

8. Multi-dimensional Rating (out of 10 points)

• Safety: 9/10 — Full isolation, security chip

• Functionality: 7/10 — Multi-asset support, but cumbersome operation

• User Experience: 6/10 — Intuitive interface, but complex process

• Compliance: 5/10 — Singaporean manufacturer, limited transparency into compliance

• User reputation: 7/10 — Good reviews for security, poor convenience

Overall score: 6.8/10

IX. Contact and Support

• Official website: https://keystonewallet.io

• Help Center: https://support.keystonewallet.io

• Community: Twitter, Telegram, Reddit

✅Final conclusion :
Keystone Wallet is the "ultimately secure" option in the cold wallet market, suitable for long-term, large-amount users, but may not be friendly to people who have high requirements for convenience.