Capitalizations Index – B ∞/21M
bitcoin miners verify transactions by solving cryptographic puzzles: they repeatedly hash block data until finding a nonce that meets the difficulty target. The first valid solution earns rewards and confirms the block.
bitcoin cannot be counterfeited: cryptographic keys, digital signatures and decentralized consensus ensure every coin’s history is verifiable, immutable, and protected by computational proof.
Miners verify bitcoin transactions by solving cryptographic puzzles – finding a valid nonce to meet a target hash. This proof-of-work secures the network by making block creation computationally costly.
bitcoin hash: a fixed-length cryptographic digest produced by SHA-256 that uniquely represents transaction or block data. It ensures integrity, links blocks, and enables proof-of-work security.
bitcoin cannot be counterfeited because transactions use cryptographic signatures, decentralized consensus, and proof-of-work to verify ownership and prevent double-spending, ensuring authenticity and integrity.
bitcoin achieves trust without intermediaries using a peer-to-peer network, proof-of-work mining, and consensus rules. Nodes validate transactions and blocks, ensuring immutability and preventing double-spending.