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Account Abstraction

A blockchain account design that uses programmable logic for authentication, recovery, fee payment, and transaction execution.

Private Key

A private key is a secret, mathematically generated string of characters that grants the owner complete control over an associated cryptocurrency address. It acts as a digital signature tool, allowing users to authorize transactions and prove ownership of funds. In a decentralized network, the private key is the ultimate proof of authority; whoever possesses the private key effectively owns the assets associated with the corresponding address. It is never meant to be shared with anyone.

Seed Phrase

A seed phrase, or mnemonic phrase, is a series of 12 to 24 human-readable words that act as the master key to a cryptocurrency wallet. It is generated using the BIP-39 standard and allows a user to recover their private keys and assets across different wallet applications. Because the seed phrase represents the absolute control over the associated funds, it is considered the most critical piece of security information for any self-custody user.

Wallet

A blockchain wallet is a software or hardware tool that manages the private and public keys required to interact with a blockchain network. It does not store actual digital tokens; instead, it stores the cryptographic keys that allow the owner to authorize transactions and view their balance on the blockchain ledger. Wallets provide an interface for users to send and receive assets, manage identities, and interact with decentralized applications.

Wallet

A software program or hardware device that stores the cryptographic keys needed to access and manage cryptocurrency. Wallets do not store the currency itself — they store the keys that prove ownership of on-chain assets.