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About BIBIBI Daily Digest Privacy & Account Security

For information and learning only. Not investment advice. Crypto assets involve risk.

© 2026 BIBIBI

Glossary

Terms14 shown

MultisignatureA security mechanism that requires two or more private keys to jointly authorize a single cryptocurrency transaction.
Private KeyA confidential key used to sign transactions and control the corresponding on-chain assets.
Public KeyThe public key corresponding to the private key, which can be used to generate a receiving address.
multisigCommon abbreviation for multisignature, indicating that transaction authorization is jointly controlled by multiple private keys or participants.
Public-key cryptographyA cryptographic mechanism that uses related public and private keys to perform encryption or digital-signature operations.
Cold StorageA method of storing cryptocurrency private keys offline to isolate them from internet-connected devices and related security risks.
Hierarchical Deterministic (HD) walletA wallet that can generate and manage multiple accounts using the same mnemonic phrase, with each account having its own private key.
Seed phraseAn ordered sequence of words used to recover private keys. Never provide it to customer support or unfamiliar websites.
Hardware walletA wallet that uses a dedicated physical device to protect private keys and complete transaction signing.
Private KeySecret information used to sign transactions; leakage may result in loss of control.
Private Key/Mnemonic PhraseConfidential credentials that can be used to recover a wallet and control the associated assets.
Private Key Mnemonic (SRP)A set of words used to generate and restore wallet keys that must be kept confidential.
Paper walletA method of printing or handwriting private keys on paper and storing them offline. It is generally not recommended today because it is vulnerable to physical damage and has usage limitations.
Self-custody walletA self-custody wallet is a wallet in which the user holds the private keys and the wallet service provider cannot control the assets on the user's behalf.

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Definition

Self-custody wallet

A self-custody wallet is a wallet in which the user holds the private keys and the wallet service provider cannot control the assets on the user's behalf.

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