The ones that will bring you a good exposure, so big ones are the best, but there are some small conferences that have ICO pitches and you can get investors directly if you do it well.
There are plenty of crypto conferences until the end of the year so it is important to participate as much as possible.
everyone can say easily, even though the reality is difficult. attract investors need the right strategy and time. at the time of the roadshow also did not necessarily get investors, but a great initial business process always got results.