Juan José Calderón Amador * ✘ ★
Juan José Calderón Amador * ✘ ★

Juan José Calderón Amador * ✘ ★

elige la cadena de la vida abc1chde2ghij3…✘ⓔ-ⓝⓐⓤⓣⓐ, ⓔ-ⓜⓔⓝⓣⓔ Sevilla★ blockchain ★ elearning ★Ⓐrⓣ★ education ★ P2P ★ economy ★ ⓔ✘PhD student @fceyeUS @unisevilla

Medium member since May 2018