<aside> 💡 Merkle Patricia Tree 배경: state는 map 자료구조로 되어 있어 new account가 추가되거나 삭제되는 등 변경이 자주 발생 목적: merkle tree의 긴 주소 대신, 검증을 빠르게 하려고.

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• Relationship between Transaction and Receipt
• Merkle Patricia Tree
• Block Header
  • world(state) root - image reference
    • account state(EOA or Smart Contract)
      • storageRoot: If EOA, the value is null.
  • transactions root: records transaction request vectors
  • receipt root: records the transaction outcome

https://medium.com/@eiki1212/ethereum-state-trie-architecture-explained-a30237009d4e