No I don't see any disadvantages about publicity of cryptocurrency, just us alone can't be doing crypto or probably just us also will know about crypto ...
source https://www.google.com/url?rct=j&sa=t&url=https://bitcointalk.org/index.php%3Ftopic%3D2851364.60&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHN2svsFkrrfYQGqPjbcDdWmIbhJw
