From beginner to advanced — master exchanges, wallets and blockchain essentials
A Bitcoin transaction can stay unconfirmed for a short time or much longer. It depends on fees, network congestion, and what your wallet lets you do next.
An unconfirmed Bitcoin transaction can appear fastest because it reaches the network before it reaches a block. Fast visibility is not final settlement.
Bitcoin prevents double spending through network validation, block inclusion, proof of work, and confirmations that lock in one valid history.
How many confirmations for Bitcoin depends on the payment context, amount, and platform policy. Here’s how confirmations work and how to judge them.
How does Bitcoin Cash work? BCH sends signed transactions across a peer-to-peer network, where nodes verify them and miners confirm them in blocks.
Learn how to withdraw money from a bitcoin ATM, including step-by-step instructions, fees and limits, plus scam warnings to protect your funds.