Differently! Everything depends on the platform and the network load. On the plateau of the etherium, everything can be instantaneous, and can take a couple of days. The longest transaction lasted for me 2-3 days.
We need to analyze the company, whether it will bring profit immediately, or only after six months. It is best to participate in the pre-sale! Then, even after the ICO, you can multiply the attachments.
There is not a one company for signatures that will take newbie))) Grow the rank, learn more about the crypto currency and everything else, on the junior member you will find the campaign by the signature)