Gems4 blockstack 8.0.0 33,335 May 07, 2018 omniauth-blockstack 19.1.2 33,335 May 16, 2019 jwt-blockstack 2.0.0.beta2 4,253 March 15, 2017 jwtb 2.0.0.beta2.bsk1 2,722 May 08, 2017