Capitalizations Index – B ∞/21M
bitcoin can be permanently lost when private keys are destroyed or when coins are sent to wrong or incompatible addresses. Understanding key custody and address formats prevents irreversible loss.
Misplacing your wallet seed phrase can mean irreversible loss of bitcoin. Without the phrase, private keys cannot be recovered; backups and secure storage are essential to prevent permanent, total asset loss.
Learn how to start using bitcoin today: set up a secure wallet, choose a trusted exchange to buy BTC, verify your identity, and make transactions. Tips on fees, security, and confirmation.
bitcoin wallets are devices or software that securely store private keys, allowing users to sign transactions and control funds. Hardware wallets keep keys offline to reduce hacking and theft risk.