Block Chain Technology
Block Chain Technology Blockchain technology is a digital ledger system that is used to record and verify transactions across a network of computers. It is the underlying technology behind cryptocurrencies such as Bitcoin , but its potential uses extend far beyond just digital currencies. The basic concept behind blockchain is a decentralized, distributed ledger . Instead of having a central authority, such as a bank or government , oversee and record transactions, blockchain allows for a network of users to maintain and update the ledger. Each block in the chain contains a group of transactions, and once a block is added to the chain, the information it contains is considered permanent and unchangeable. One of the key features of blockchain is its use of cryptography to secure transactions . Each block in the chain contains a unique digital signature, or “hash,” that verifies the authenticity of the block and the transactions it contains. This ensures th...