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Article 1: https://vk.com/club156908271?w=wall-156908271_136%2Fall

Article 2: https://jeyrockbit.blogspot.com.by/2018/04/dav.html

Article 3:https://steemit.com/dav/@jeyrock/dav-blokchein-i-bespilotnye-gruzoperevozki

bancor username: Jey Rock
Telegram username: @Jey Rock