Bitcoin is the first cryptocurrency to have been created, and it remains a popular and valuable option due to its security and usefulness.
The Bitcoin blockchain is a public ledger that records all Bitcoin transactions. It is decentralized, meaning that it is not controlled by any single entity, and is maintained by a network of participating nodes.
The blockchain is the backbone of the Bitcoin network, providing a secure and transparent system for tracking the ownership of the world's most valuable cryptocurrency. Each block on the blockchain holds a record of multiple transactions, and once added, these blocks cannot be altered or removed, ensuring the integrity and unchangeability of the transaction history. This decentralized ledger technology is what sets Bitcoin apart from traditional financial systems, providing a decentralized, censorship-resistant platform for value transfer.