Blockchain is a technology architecture that ensures data security, immutability, and transparency through distributed ledgers and cryptographic means. Its core lies in decentralized operation, avoiding reliance on a single management entity or third party, and achieving trust consensus among participating nodes.
Data is divided into blocks and connected in a chain-like structure, with each block containing transaction information and the hash value of the previous block. Security and integrity are maintained through consensus mechanisms such as Proof of Work (PoW) or Proof of Stake (PoS). Asymmetric encryption technology is used to protect user privacy and data authenticity.
Blockchain technology can be applied in various fields such as finance, supply chain, healthcare, and smart contracts, reducing transaction costs, providing anti-counterfeiting proof, and enhancing system transparency. The way it establishes trust is based on mathematics and code, rather than traditional centralized credit institutions.
With the maturity of technology and the improvement of legal regulation, Blockchain is expected to promote social governance, digital asset circulation, and enterprise data sharing, becoming a key support for the realization of the digital economy and Web3.