Blockchain

Blockchain is a distributed database that is used to maintain a continuously growing list of records, called blocks. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data. Blockchains are typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority.

A blockchain is typically managed by a peer-to-peer network collectively adhering to a protocol for inter-node communication and validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority.

Blockchains are secure by design and are an excellent way to store data that is tamper-proof. They are also very efficient, as they do not require a central authority to verify transactions. This makes them ideal for use in applications such as cryptocurrency, where trust is essential.

Blockchain technology is still in its early stages, but it has the potential to revolutionize many industries. It is already being used in a variety of applications, such as supply chain management, identity management, and voting. As the technology continues to develop, we can expect to see even more innovative uses for blockchain.