The Fundamentals of Blockchain: Understanding the Basics
Blockchain is a decentralized technology that underlies cryptocurrencies like Bitcoin. It consists of a chain of blocks, each containing a list of transactions. This chain is maintained across a network of computers, making it resistant to tampering and fraud. One fundamental aspect of blockchain is its distributed ledger system. Instead of relying on a central authority, the ledger is duplicated across the network, ensuring transparency and preventing a single point of failure. This decentralization is a key factor in the security of blockchain. Transactions on a blockchain are verified through a process called consensus. This involves participants in the network agreeing on the validity of transactions, usually through methods like Proof of Work or Proof of Stake. Once verified, transactions are added to a block and linked to the previous block, forming a chronological chain. Smart contracts are another crucial element of blockchain technology. These self-executing contra...