15 Ιουνίου: Bitcoin Developers meetup για lattice-based (post-quantum) cryptography: https://www.meetup.com/blockchaingreece-0/events/314948299/
30 Ιουνίου: 1) Building prediction markets. 2) How crypto trades are now reported to tax offices 3) Πίτσα & μπύρες: https://www.meetup.com/blockchaingreece-0/events/315216691/
