Capitalizations Index – B ∞/21M
bitcoin transactions are irreversible: sending to the wrong address usually means permanent loss unless the recipient voluntarily returns funds. Always verify addresses, use address books and small test transfers first.
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.
Hot wallets are internet-connected bitcoin wallets that enable quick transactions and easy access but carry higher security risks; users should balance convenience with strong authentication and backup practices.
bitcoin’s value rests on three pillars: coded scarcity via a 21 million supply cap, cryptographic security protecting transactions, and growing utility as a borderless programmable store of value and medium of exchange.