Interesting questions about Ethereum

1. It is possible to deploy a contract in the same address that I already deployed a contract ?

It is not possible to deploy a contract in the same address that you already deployed a contract. There is a way to kill contracts using selfdestruct, but it is not possible to reuse the address of that contract

These articles give more information:

• https://solidity.readthedocs.io/en/v0.4.21/introduction-to-smart-contracts.html?highlight=selfdestruct
• https://solidity.readthedocs.io/en/v0.4.21/miscellaneous.html?highlight=selfdestruct
• https://solidity.readthedocs.io/en/v0.4.21/assembly.html?highlight=selfdestruct