OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7

Comparing 3 wallets: OneKey Classic 1S Pure (71/100, $79), Tangem Wallet (2 Cards) (78/100, $54), and Trezor Safe 7 (90/100, $249). Prices range from $54 to $249.

3 wallets

Screen vs Screenless

No IP rating vs IP68

USB vs NFC

Quick Verdict Updated 2026

OneKey Classic 1S Pure

OneKey

71 /100

Good

$79

Buy Now

$79 Buy Now

Tangem Wallet (2 Cards)

Best value

78 /100

Good

$54

Buy Now

$54 Buy Now

Trezor Safe 7

Best overall

90 /100

Excellent

$249

Buy Now

$249 Buy Now

Open-formula rating | 40+ criteria analyzed | Last updated March 2026 | No sponsored rankings See methodology

Key Takeaways

Trezor Safe 7 wins in security (100/100)
Tangem Wallet (2 Cards) wins in ease of use (86/100)
Tangem Wallet (2 Cards) is more affordable ($54)
Both support 30+ cryptocurrencies
Best for beginners: Tangem Wallet (2 Cards) (easier setup)

OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7: Key Differences

This comparison evaluates 3 hardware wallets — OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7 — across 40+ criteria. Prices range from $54 to $249, and overall ratings span 71 to 90 out of 100. Below, we break down exactly where each wallet excels and where it falls short.

Detailed Pair Comparisons:

OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) OneKey Classic 1S Pure vs Trezor Safe 7 Tangem Wallet (2 Cards) vs Trezor Safe 7

Winner by Category

Which wallet leads in each area

Security

Tie

OneKey Classic 1S Pure95/100

Tangem Wallet (2 Cards)97/100

Trezor Safe 7100/100

Ease of Use

OneKey Classic 1S Pure46/100

Tangem Wallet (2 Cards)86/100

Trezor Safe 779/100

Buy Now Tangem Wallet (2 Cards)

Price

OneKey Classic 1S Pure$79

Tangem Wallet (2 Cards)$54

Trezor Safe 7$249

Buy Now Tangem Wallet (2 Cards)

Coin Support

Tie

OneKey Classic 1S Pure30+

Tangem Wallet (2 Cards)86+

Trezor Safe 787+

Privacy

OneKey Classic 1S Pure63/100

Tangem Wallet (2 Cards)53/100

Trezor Safe 793/100

Buy Now Trezor Safe 7

Beginner Friendly

OneKey Classic 1S Pure46/100

Tangem Wallet (2 Cards)86/100

Trezor Safe 779/100

Buy Now Tangem Wallet (2 Cards)

Comparing:

OneKey Classic 1S Pure

Tangem Wallet (2 Cards)

Trezor Safe 7

Comparison Table

Key specifications for your decision

Criteria	OneKey Classic 1S Pure OneKey $79 Buy Now	Tangem Wallet (2 Cards) Tangem $54 Buy Now	Trezor Safe 7 Trezor $249 Buy Now
Overall Rating	71/100	78/100	90/100
Security	95/100	97/100	100/100
Usability	46/100	86/100	79/100
Price	$79	$54	$249
EAL Certification (Evaluation Assurance Level) from Common Criteria rates the security of hardware components, like secure chips in crypto hardware wallets. Higher levels, such as EAL5+ or EAL6+, indicate stronger resistance to attacks. Learn more	Yes	Yes	Yes
Open Source Firmware refers to firmware in hardware devices, like wallets, where the source code is publicly available, allowing transparency, auditability, and customization. Learn more	Yes	Yes	Yes
Bluetooth Connectivity enables wireless communication between devices, like hardware wallets and smartphones, using Bluetooth or Bluetooth Low Energy (BLE) for secure data transfer. Learn more	No	No	Yes
USB	Yes	No	Yes
Networks	30+	86+	87+
A passphrase is an additional security layer for cryptocurrency wallets, acting as a 25th word in the BIP39 seed phrase, protecting access to hidden wallets. Learn more	Yes	Yes	Yes
A touchscreen display is a screen that allows users to interact with a device by touching the surface, commonly used in hardware wallets for easy navigation and transaction confirmation. Learn more	OLED	None	Color Touchscreen
Recovery is the process of restoring access to a cryptocurrency wallet using its seed phrase or mnemonic backup if the original wallet is lost or inaccessible. Learn more	12-word seed	Multi-card	Multi-card
Setup Time	~10 min	~3 min	~5 min
IP Rating refers to the level of protection a device has against dust and water, often used for hardware wallets to indicate their durability in various environments. Learn more	None	IP68	IP67

Our Verdict: OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7

Choose OneKey Classic 1S Pure if...

You are comfortable managing a seed phrase
You prefer USB-only connection for maximum security

Buy Now — OneKey Classic 1S Pure Full Review — OneKey Classic 1S Pure

Choose Tangem Wallet (2 Cards) if...

You prefer a compact, screenless form factor
You want wireless NFC connectivity — no cables needed
You want to save $25 without sacrificing core security

Buy Now — Tangem Wallet (2 Cards) Full Review — Tangem Wallet (2 Cards)

Choose Trezor Safe 7 if...

You use Bitcoin and care about privacy (CoinJoin, coin control)
You want advanced backup with Shamir Secret Sharing
You are comfortable managing a seed phrase
You run your own Bitcoin full node

Buy Now — Trezor Safe 7 Full Review — Trezor Safe 7

Our pick for most users

Based on the overall rating, Trezor Safe 7 scores 90/100 and offers the best balance of security, usability, and value in this comparison.

Buy Now — Trezor Safe 7

Bottom line: Trezor Safe 7 leads in security, while Tangem Wallet (2 Cards) wins on usability. If budget matters, Tangem Wallet (2 Cards) saves you money without compromising on core safety features.

Price: OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7

Prices range from $54 (Tangem Wallet (2 Cards)) to $249 (Trezor Safe 7). The extra cost of Trezor Safe 7 gets you a 12-point higher overall rating. For budget buyers, Tangem Wallet (2 Cards) offers solid security at a lower price point.

Buy OneKey Classic 1S Pure — $ 79 Buy Tangem Wallet (2 Cards) — $ 54 Buy Trezor Safe 7 — $ 249

Who Should Pick Which Wallet

Recommendations based on real-world use cases

OneKey Classic 1S Pure

$79

Best for:

AffordableGreat priceWalletConnect supportAndroid support

Pros

+EAL6+ certified secure element, highest grade among most rivals
+Fully open-source firmware with reproducible builds for independent verification
+Supports 1,000+ tokens without requiring third-party app installs
+2-inch OLED display for clear transaction detail review before signing

Cons

−No Bluetooth, NFC, or QR — USB-only limits air-gap and mobile flexibility
−Shamir Secret Sharing absent, reducing advanced backup redundancy options
−Only 12-word BIP39 seed; no native 24-word option for users preferring it
−No water or dust resistance rating, unlike some competitors at similar price

Buy Now Full Review

Tangem Wallet (2 Cards)

$54

Best for:

AffordableGreat priceWater resistanceWalletConnect support

Pros

+Samsung-manufactured CC EAL6+ secure element — highest certification tier among consumer hardware wallets
+Card form factor is 1mm thin and 6g — fits in a wallet unlike any box-style device
+NFC-only operation means zero USB attack surface on the host machine
+IP68 water resistance rated — survives submersion unlike most hardware wallets

Cons

−Firmware is closed-source — no independent code audit possible, unlike Trezor or Passport
−No passphrase support — cannot add BIP39 passphrase for plausible deniability
−No desktop support — Linux, Windows, and macOS are entirely incompatible
−No display on the card — transaction details must be trusted entirely on the paired phone screen

Buy Now Full Review

Trezor Safe 7

$249

Best for:

Water resistanceBuilt-in batteryBetter privacy featuresCoin control

Pros

+TROPIC01 open secure element allows full auditability, unlike closed SE chips
+EAL6+ certified secure element, highest certification tier among consumer wallets
+SLIP-39 Shamir Secret Sharing splits seed across multiple shares by default
+2.5-inch color touchscreen is the largest display in its hardware wallet class

Cons

−At $249, it is the most expensive Trezor model, nearly 3x the Trezor Model One
−No NFC support, limiting tap-to-sign workflows available on competing devices
−Bluetooth attack surface introduces wireless threat vectors absent in USB-only wallets
−Multisig support is basic only, lacking advanced coordinator tooling on-device

Buy Now Full Review

Best for These Profiles

🎓

Beginner / first wallet

Tangem Wallet (2 Cards) — simpler setup, lower learning curve

🔒

Security maximalist

Trezor Safe 7 — highest security score, on-device verification

🌐

DeFi & Web3 enthusiast

OneKey Classic 1S Pure — WalletConnect and dApp support

💰

Budget-conscious buyer

Tangem Wallet (2 Cards) — solid security at $54

Pre-Purchase Checklist

Important points to verify regardless of your choice

All wallets ship from official manufacturer stores with full warranty.

Buy OneKey Classic 1S Pure Buy Tangem Wallet (2 Cards)Buy Trezor Safe 7

OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7: Frequently Asked Questions

Answers about OneKey Classic 1S Pure vs Tangem Wallet (2 Cards) vs Trezor Safe 7

Is OneKey Classic 1S Pure better than Tangem Wallet (2 Cards)?

Tangem Wallet (2 Cards) scores higher overall with 78/100 vs 71/100. However, OneKey Classic 1S Pure has fully open-source firmware. The best choice depends on whether you prioritize overall rating or transparency.

How much do OneKey Classic 1S Pure and Tangem Wallet (2 Cards) and Trezor Safe 7 cost?

OneKey Classic 1S Pure costs $79, Tangem Wallet (2 Cards) costs $54, Trezor Safe 7 costs $249. All prices are for the standard edition purchased from official manufacturer stores. We recommend buying directly from manufacturers to ensure device authenticity and full warranty coverage.

Does Tangem Wallet (2 Cards) work without a seed phrase — and is that safe?

Yes. Tangem Wallet (2 Cards) replaces the traditional seed phrase with linked NFC cards that serve as encrypted backups of each other. Your private key never leaves the secure element. This eliminates the most common attack vector — stolen or photographed seed phrases — while maintaining strong cryptographic security.

What happens if I lose all my Tangem Wallet (2 Cards) cards?

If you lose all linked cards, your funds are unrecoverable — there is no seed phrase to fall back on. This is why Tangem Wallet (2 Cards) ships as a multi-card set: each card is a full backup. Keep at least one card in a separate secure location at all times.

Is OneKey Classic 1S Pure waterproof?

OneKey Classic 1S Pure has no official water or dust resistance rating. Treat it as a standard electronic device. Tangem Wallet (2 Cards), on the other hand, is rated IP68, meaning it can withstand high-pressure water jets and dust ingress.

Which wallet is better for DeFi and Web3: OneKey Classic 1S Pure or Tangem Wallet (2 Cards)?

OneKey Classic 1S Pure has stronger DeFi support with WalletConnect integration for connecting to decentralized apps. Tangem Wallet (2 Cards) focuses more on straightforward send/receive transactions. For active DeFi usage, OneKey Classic 1S Pure is the better choice.

OneKey Classic 1S Pure vs Tangem Wallet (2 Cards): which has better backup options?

OneKey Classic 1S Pure uses a standard 12-word seed phrase. Tangem Wallet (2 Cards) uses multiple linked NFC cards as encrypted backups (no seed phrase). Both approaches are secure, but they suit different users. Seed-based backup is industry-standard and interoperable. Card-based backup is simpler but proprietary.

Is Tangem Wallet (2 Cards) safe to use without a screen?

Tangem Wallet (2 Cards) relies on your phone or computer to display transaction details, which introduces a potential attack vector if the host device is compromised. OneKey Classic 1S Pure lets you verify addresses and amounts directly on the hardware wallet. For high-value transactions, an on-device screen adds an important layer of verification.