Smart-contract auditors, PR pros, YouTube "influencers": Meet the service class that was caught up in 2017's ICO gold-rush, selling metaphorical shovels to prospectors seeking billions in instant riches. Christie Harkin, Brad Laurie, Hartej Sawhney and David Wachsman relive the good, bad and ugly of that era.
source https://www.youtube.com/watch?v=ZDE3iC8PxQE
