블록체인 노트

 

블록체인 공부 중, 두서없이!


기본개념

blockchain

what is blockchain

A blockchain is a linked list of transactions stored on a network of computers.

  • Decentralized: transactions are on a network of computers (nodes).
  • Immutable: Transactions cannot be changed once commited.
  • Open: Transactions can be viewed by anyone.

how blockchains work

each block has

  • a list of transactions
  • a hash for the block
  • the previous block’s hash