JD https://speakerdeck.com/jhd 2020-01-31 13:33:15 -0500 2019_Crypto-in-Review__Jan_2020_.pdf Fri, 31 Jan 2020 00:00:00 -0500 https://speakerdeck.com/jhd/2019-crypto-in-review-jan-2020 https://speakerdeck.com/jhd/2019-crypto-in-review-jan-2020