Authena has been selected as the Top Pick in the category blockchain at TechCrunch Disrupt Berlin

Challenging as it was, TechCrunch editors had a (wicked fun) job to do — select up to five early-stage startups they felt represent the best of their specific tech category. This remarkable cadre of early-stage startups knocked our proverbial socks off. Cold toes notwithstanding, we think you’ll be equally impressed…