Bitcoin (BTC)
Bitcoin is the first cryptocurrency, launched in 2009. It runs on a public ledger kept by thousands of computers, has a fixed supply of 21 million coins, and lets anyone send value without a bank.
Why it matters
Bitcoin is still the largest crypto asset by market value, so its moves set the mood for the whole market.
Watch the live whale radarRelated terms
Bitcoin dominanceBitcoin dominance is Bitcoin's share of the total crypto market value, shown as a percenta…Bitcoin halvingThe halving cuts the reward for mining a Bitcoin block in half, roughly every four years.…Proof of workProof of work secures a blockchain by making computers solve costly puzzles to add blocks.…Crypto whaleA whale is a wallet or trader holding or moving a very large amount of a coin, enough to m…
Written by the VaultX AI team. Educational only, not investment advice.
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