Gems4 omniauth-blockstack 19.1.2 33,097 May 16, 2019 blockstack 8.0.0 32,987 May 07, 2018 jwt-blockstack 2.0.0.beta1 4,181 March 15, 2017 jwtb 2.0.0.beta2.bsk1 2,679 May 08, 2017