Gems4 omniauth-blockstack 19.1.2 33,000 May 16, 2019 blockstack 8.0.0 32,457 May 07, 2018 jwt-blockstack 2.0.0.beta1 4,077 March 15, 2017 jwtb 2.0.0.beta2.bsk1 2,617 May 08, 2017