Capitalizations Index – B ∞/21M
bitcoin security relies on minimizing single points of failure. Hardware wallets protect keys offline, while multisig spreads authorization across devices, boosting resilience against theft and loss.
Discover how to start with bitcoin: learn what wallets are, how to choose one, where to buy safely, and how to send your first transaction securely and efficiently.
bitcoin is a decentralized digital currency that runs on a public ledger called the blockchain. It enables secure, peer‑to‑peer transactions without banks or governments.
Sending bitcoin to a wrong address is usually irreversible. Due to blockchain’s design, transactions can’t be undone, so funds are typically lost unless the address owner cooperates.
bitcoin can be used without traditional internet access through SMS-based wallets and satellite broadcasts, enabling transactions in remote areas and during network outages.
bitcoin transaction IDs (TXIDs) uniquely identify each transaction on the blockchain. This hash-based code lets users verify, trace, and reference specific transfers securely.
bitcoin transactions are often considered safe after a certain number of confirmations, but how many are truly enough? This article explains what confirmations mean and how to assess risk.
