What is a Seed Phrase?
A seed phrase (also called a recovery phrase or mnemonic phrase) is a sequence of random words used to back up and restore crypto wallets. This critical security feature helps users regain access if they lose their device or forget their password.
Think of it as a "magic key" — a series of words representing complex cryptographic code that generates your wallet’s private keys.
How Seed Phrases Work
Generation:
- Wallets generate a 12, 15, 18, or 24-word phrase from a standardized 2048-word list (BIP39).
- Example:
purity amused fit load thumb large brush ill question flavor february love
Conversion:
- The phrase is converted into a binary seed.
- This seed creates private/public key pairs using standards like BIP32 and BIP44.
Hierarchical Structure:
- Enables multiple addresses per wallet for enhanced privacy.
Why Seed Phrases Are Popular
- Trusted Standard: Widely adopted in crypto communities.
- Beginner-Friendly: Simple to generate and understand.
- Full Control: Not stored online, reducing hacking risks.
- Recovery Solution: Protects against lost devices or hardware failures.
Why Tangem Wallet Offers Seed Phrases
While Tangem’s multi-card key storage is inherently more secure, the new wallet includes seed phrase options to:
- Cater to users who prefer traditional recovery methods.
- Support compatibility with other wallets via seed phrase imports.
👉 Discover Tangem’s advanced security features
Risks of Using Seed Phrases
- Single Point of Failure: Misplaced or stolen phrases lead to irreversible losses.
- Physical Vulnerabilities: Paper backups degrade; metal plates can be stolen.
- Digital Threats: Storing phrases digitally exposes them to hackers.
Notable Seed Phrase Leaks
| Incident | Details |
|---|---|
| Bill Murray NFT Theft | $185K stolen after seed phrase compromise post-charity auction. |
| Solana Wallet Hack (2022) | 9,000+ wallets drained due to unencrypted seed phrases on Slope servers. |
| Bo Shen Hack | $42M stolen after attackers accessed his seed phrase. |
Best Practices for Seed Phrase Security
- Write It Down: Use pen and paper initially.
- Avoid Digital Storage: No screenshots or cloud backups.
- Secure Physical Storage: Consider fireproof safes or encrypted metal plates.
- Memorization: Advanced users may memorize phrases (risky if forgotten).
Remember: With Tangem, you can opt for seed-free security using multi-card backups.
FAQs About Tangem Wallet’s Seed Phrase Feature
Q: Does Tangem generate 12 or 24-word phrases?
A: Both options are available.
Q: Can I revert to card backups after using a seed phrase?
A: No—seed phrases override multi-card backup functionality.
Q: How does seed phrase import work?
A: Enter a 12–24 word phrase from another wallet to restore funds (supports BIP39-compatible wallets).
Q: Is the new Tangem app PC-compatible?
A: No—it’s designed for NFC-enabled smartphones only.
👉 Explore Tangem’s wallet options
Final Notes
- Classic Tangem Cards: Remain compatible with the new app but lack seed phrase features.
- New Tangem Wallet: Adds flexibility with seed support while maintaining high-security standards.