21 startups battled to win the favor of judges in complete darkness at an event hosted by Citigroup in Jaffa. The idea was meant to increase objectivity, however Avenews-GT, (an agricultural produce trading platform that uses blockchain technology) would probably have still won even with the lights on!
https://www.calcalistech.com/ctech/articles/0,7340,L-3749186,00.html