Those who participated on their First-week Pre-Ico sale is lucky enough to get a 25% bonus tokens.
And also to those who have refferal for their Pre-Ico sale is surely lucky to gain 25% bonus too.
With bidium almost 50% you can get for the bonus if you join the first week of their pre-ico sale and if you also have a refferal lucky indeed.
Many benefits or bonus are offered by bidium to the people joining their projects.