I need few details about ICO.
    What is basic needs for ICO ?
    ICO means bunch of tokens ?
    what steps need to perform by admin to launch ICO ?
    How user pay to buy token ?
    User can  sale that token to another users ?
    How to mine token and who do this for mining process ?
    Bunch of tokens means coin ?
    what is different between go-etherium, eth20,eth25 ?

    Please help to resolve terms .

    Thanks in advance