This article is an entry in CoinDesk's Most Influential in Blockchain 2017 series.

Feel like you missed out buying bitcoin?

So did Bitcoin Sign Guy once upon a time. Before he took a stand by photo-bombing a sitting Federal Reserve chair (giving the world some timely financial advice in the process), he dismissed the cryptocurrency as something that sounded too good to be true.

Now, however, he's a full-blown believer. In this sit-down interview, Bitcoin Sign Guy gives his outlook on bitcoin, why he thinks a central bank cryptocurrency won't work, what he sees as the industry's future and how it felt to become a certified crypto meme.

Read our full profile or hear him in his own words below:

Video by Ali Powell at 40 Thieves Films.