OneKey Pro vs Ledger Stax / Ledger Flex — The True Flagship Cold Wallet Comparison
Key Takeaways
• OneKey Pro offers unmatched wireless cold wallet features with AirGap and wireless charging.
• OneKey Pro is fully open-source, enhancing user sovereignty and trust.
• Ledger's closed-source firmware raises privacy concerns compared to OneKey Pro.
• OneKey Pro supports a wide range of assets and multi-chain compatibility.
• Pricing makes OneKey Pro a more value-driven choice compared to Ledger's offerings.
As self-custody becomes a must for crypto users, the hardware wallet market continues to heat up. Ledger and OneKey represent two major camps in the Western and Asian markets respectively. With the arrival of Ledger Stax and Flex, OneKey's flagship product OneKey Pro has drawn increasing attention.
This article provides a comprehensive comparison of OneKey Pro and Ledger’s latest generation products from multiple angles including security, usability, open-source transparency, privacy, compatibility, and hardware configuration, helping you choose the wallet that suits you best.
Basic Specs Comparison Table
| Comparison | OneKey Pro | Ledger Stax | Ledger Flex |
|---|---|---|---|
| Picture |  |  |  |
| Secure Element | ✅ 4 × EAL6+ secure chips | ✅ 1 × EAL6+ secure chip | ✅ 1 × EAL6+ secure chip |
| Screen & Connectivity | ✅ 3.5″ color touchscreen + fingerprint + Bluetooth / NFC / AirGap / USB-C / wireless charging | ⚠️ 3.7″ curved E Ink screen + USB-C + Bluetooth (no AirGap) | ⚠️ 2.84″ flat E Ink screen + USB-C + Bluetooth (no AirGap) |
| Signing Methods | ✅ QR AirGap + fingerprint confirmation + Bluetooth + local parsing | ⚠️ Bluetooth or USB, depends on App, content not fully visible before signing | ⚠️ Same as Stax, lacks pre-signing parsing |
| Wireless Charging | ✅ Supports Qi wireless charging | ✅ Supports wireless charging | ❌ Not supported |
| Signature Parsing & Alerts | ✅ SignGuard parsing + risk alerts (GoPlus / Blockaid) | ⚠️ Basic parsing, no real-time risk alerts | ⚠️ Basic parsing, no real-time risk alerts |
| Open-source | ✅ Fully open-source (firmware / App / frontend / plugins) | ❌ Closed-source firmware, core proprietary | ❌ Same as Stax |
| Multi-chain Compatibility | ✅ 100+ chains, 30,000+ assets, native plugin wallet support | ⚠️ Supports major assets, many rely on Ledger Live bridge | ⚠️ Same as Stax |
| Privacy Usage | ✅ No registration, no telemetry, App works offline | ❌ Requires Ledger ID login + App telemetry | ❌ Same as Stax |
| Web2 Login (FIDO) | ✅ Supports WebAuthn / FIDO2 security key | ❌ Not supported | ❌ Not supported |
| Attach to PIN (Hidden Wallets) | ✅ PIN can be bound to hidden wallet paths | ❌ Not supported | ❌ Not supported |
| Multisig Compatibility | ✅ Compatible with Safe / Squads / Sparrow | ❌ Not supported | ❌ Not supported |
| Packaging & Firmware Security | ✅ Dual tamper-proof seals + firmware signature check + activation verification | ❌ No open verification, no activation check | ❌ Same as Stax |
| Industry Backing | ✅ Backed by Coinbase & Binance Labs | ✅ Well-known brand, widely adopted | ✅ Same as Stax |
| WalletScrutiny Verified | ✅ Passed all 10 tests | ❌ Not verified (closed-source firmware) | ❌ Not verified (closed-source firmware) |
| Price | 💰 $278 (flagship tier) | 💰 $399+ (premium design-focused) | 💰 $249 (compact E Ink model) |
Key Differences & Highlights
✅ True Wireless Cold Wallet + AirGap + Wireless Charging (Triple Unique Combo)
OneKey Pro is the only wallet on the market offering a truly “wireless cold wallet” experience:
- QR-based signing without connecting to PC or phone (AirGap)
- Qi wireless charging, completely cable-free
- Full Bluetooth + NFC support
This combo is currently unmatched by both Trezor and Ledger.
Security: All Strong, But Who's in Control?
All three devices use EAL6+ secure chips, but the key difference lies in user sovereignty:
- OneKey Pro is fully open-source, supports SLIP39 key splitting, PIN-bound hidden wallets, and on-device signing parsing
- Ledger uses closed-source firmware, and its Ledger Recover service splits seed phrases for centralized storage—raising privacy and sovereignty concerns
If you value true self-custody, OneKey is the more trustworthy choice.
SignGuard: See Exactly What You're Signing
OneKey Pro features the exclusive SignGuard system that works both on-device and in-app:
- Displays contract method name, authorized addresses and allowance
- Integrates with GoPlus and Blockaid to detect phishing threats in real-time
- Compared to Ledger’s simplified display, OneKey offers clearer, more complete and proactive protection
In the age of multisig exploits and phishing airdrops, this is a major leap forward in security.
Usability: OneKey Pro Feels Like a Smart Device
- OneKey Pro has a full-color screen, fingerprint unlock, QR camera, and fill light—smooth interaction that rivals smartphones
- Ledger Stax features a stylish curved e-ink display, but it's slow and less responsive
- Ledger Flex is more basic, heavily reliant on Ledger Live
For advanced users needing multi-chain, complex signing, or mobile-first use, OneKey Pro is clearly superior.
Open-source Transparency: OneKey Takes the Lead
OneKey provides a rare full-stack open-source architecture:
- Open-source firmware + open-source apps and plugins
- Fully reproducible builds
- No need to trust closed vendor code
Ledger, in contrast, keeps core components (especially firmware) closed, limiting transparency and trust.
Privacy & Ease of Use: OneKey Enables True Anonymity
- No Ledger ID, no email registration required
- App can run offline, collects no user behavior data
- Downloadable app packages available directly from the website—no app store dependency
This makes OneKey Pro one of the few hardware wallets that can be used anonymously and censorship-free.
Attach to PIN: Industry-Exclusive Feature
OneKey Pro exclusively supports the Attach to PIN feature:
A single PIN unlocks a dedicated hidden wallet—no need to re-enter passphrases every time
While Trezor requires manual passphrase entry and Ledger lacks hidden wallet support entirely, OneKey offers a more secure and convenient multi-wallet solution.
Multisig + Web2 Login Support: Broader Use Cases
- Native support for multisig solutions like Safe, Squads, and Sparrow
- U2F / FIDO2 support — usable as a security key for Google, GitHub, etc.
- Useful for identity verification across different platforms
Industry Recognition: More Than Just a Product
OneKey has been backed and promoted by top exchanges and institutions:
- Invested by Binance Labs and Coinbase
- Co-branded cold wallets with Bybit, OKX, Bitget
- Active contributor to open-source protocols
Packaging & Physical Security: Professional Attention to Detail
- Dual-layer tamper-proof packaging to prevent shipment tampering
- Firmware attestation system to prevent malicious reflashing
- Authenticity verification — connect to the app to verify firmware matches official builds
Ledger Flex / Stax offer no equivalent solution.
iOS Compatibility Issues: Ledger S Series Severely Limited
- Ledger Nano S / S Plus on iOS can only view balances, not send transactions or install apps
- iOS lacks USB OTG / Lightning data transfer — cannot connect to Ledger via cable
- Only Nano X supports Bluetooth transactions via Ledger Live
This leaves the Ledger S series in “read-only mode” on mobile—resulting in a compromised experience.
Pricing: OneKey Delivers More for Less
- OneKey Pro: $278 — top-tier specs including wireless charging and QR scanner
- Ledger Stax: $399+ — aesthetically pleasing, but functionally inferior
- Ledger Flex: $289 — some improvements, but still locked in a closed ecosystem
OneKey Pro offers the most complete feature set at the best price—leading the pack in value.
Final Verdict: Which One Should You Buy?
Conclusion: The Ultimate Cold Wallet Choice
As the crypto space matures, self-custody tools are becoming more refined. Whether you favor Ledger’s brand reputation or OneKey’s freedom and transparency, the core value of a hardware wallet remains sovereign security.
OneKey Pro leads across five critical dimensions — security, usability, open-source transparency, privacy, and pricing — making it the undisputed flagship of next-gen cold wallets.
