BlockchainBeginner#Backup#Basics
Seed Phrase
S
Definition
A wallet recovery mnemonic: a sequence of words that can produce deterministic wallet keys under a specific wallet standard and configuration.
Source reviewed
- BIP-39: Mnemonic code for generating deterministic keys opens in a new tab
Supports: Specifies mnemonic generation from entropy and checksum, mnemonic-to-seed derivation, optional passphrases, and the warning against user-created sentences.
- Bitcoin Developer Guide: Wallets opens in a new tab
Supports: Documents wallet private-key roles, deterministic key creation, signing-only and hardware-wallet operating boundaries.
Concept Diagram
Key Takeaways
1
A seed phrase is recovery material for a specific deterministic wallet setup, not simply a human-readable private key
2
The correct wordlist, passphrase, derivation path, and address settings can matter during restoration
3
Anyone who obtains valid recovery material may be able to recreate signing keys, but that does not prove legal ownership
4
Never enter recovery words or a passphrase into a website, chat, or support request
Practical Example
A wallet shows 12 recovery words and an optional passphrase setting. Before relying on a backup, its owner records the wallet and address type, keeps the words and passphrase out of online forms, and performs a small, controlled recovery test using the wallet's documented procedure.
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Related Terms
Blockchain
Cold WalletA wallet arrangement that keeps signing keys in an offline or more isolated environment. It can reduce some online attack exposure, but its safety depends on device, backups, transaction review, and the user's operating practices.
Blockchain
MetamaskA wallet application and browser/mobile interface for managing accounts and interacting with supported networks and dapps. Connecting a site, signing a message, approving token spending, and sending a transaction are separate requests with different effects.
Blockchain
Private KeySecret key material used to create signatures that authorize transactions for a particular blockchain account or output. It is not itself a password, a public address, or proof of legal ownership, and wallet recovery depends on the wallet's key-management design.
Blockchain
Smart ContractA program and its state deployed at a blockchain address, which runs its defined functions when transactions call it.
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