Concept "Chaincode"

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Chaincode (= business logic) defines

  • assets
  • transaction instructions for modifying assets
  • enforces the rules for reading or altering key value pairs or other state database information

Chaincode functions

  • execute against the ledger’s current state database
  • are initiated through a transaction proposal
  • result in a set of key value writes (write set) that can be submitted to the network and applied to the ledger on all peers