Source: https://www.wired.com/story/at-this-crypto-event-the-attendees-really-were-high/?utm_source=TNW&utm_campaign=2af4b7f6d6-EMAIL_CAMPAIGN_2018_01_12&utm_medium=email&utm_term=0_32f70ba9aa-2af4b7f6d6-12675577&mc_cid=2af4b7f6d6&mc_eid=d8b5a89152