In a press release issued last week, ridesharing app Chalo declared to incorporate blockchain, an online ledger to track information securely and anonymously, with the technical support of USA-based firm Aphaea Capital. Chalo Chief Executive Officer DewanShuvo announced their initiative on block chain at a seminar at Bangladesh Association of Software and Information Services (BASIS) in Dhaka recently. USA-based technology expert Paul Bryzek and Aphaea Capital founder Mir Haque, members of the press, members of BASIS were, among others, present on the occasion.