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From my understanding, one Ethereum node can have many accounts and only one of the account can perform mining in each node. So, my question will be what are the usage of other accounts in the node then? If an account deployed a contract, can other accounts call function of that contract even they are from the same node?

*Please correct me if my understanding are wrong. Thanks.

  • Mining node requires one account to act as coinbase account, and whenever a block is found, the block reward will go to already set coinbase account. – kherwa Mar 22 '19 at 7:22
  • Then what is the usage of other accounts in a particular node? – Sienz Pz Apr 3 '19 at 14:50
  • You can have balances in multiple accounts... you can deploy different contracts With different accounts... – kherwa Apr 3 '19 at 15:56
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"can other accounts call function of that contract even they are from the same node?" => Yes they can.

Other accounts can have each balances.

Node can accept RPC(remote procedure call) request, and through RPC request, each node's accounts can send transaction and create smart contract.

Multiple node's accounts are useful to simulate some transactions when developing.

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