August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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The difference between an EOA and a contract
There are some differences between an EOA and a contract account. The following table distinguishes between an EOA and a contract:
| EOA (account) | Contract account (smart contract) | |
| Creation | A new account can be created at any time, using a wallet generation utility such as MetaMask or with https://www.myetherwallet.com/. | A new contract can only be created from an EOA or from an existing deployed contract. |
| Public address | An EOA account's public address is derived from its private key. | A contract's public address is created by the combination of a public address of creating account + nonce. |
| Private keys | An EOA can only be controlled using its private key. | A contract which do not has a private ... |