Understanding how a blockchain works, with Php and Json

1. Structure of a blockchain

2. Read the blockchain

  • read our blockchain
  • read data about the last block in the blockchain
  • calculate a valid hash to be used by a new block, and insert it in the blockchain

3. Write a new block



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Simone Ricci

Simone Ricci


I work as a full stack web developer in the company that I co-founded. I live in Turin, Italy. I love bikes, Sardinia, cameras, mountains, free software.