May 5th, 2021 Day 27 of the Cailendar - Black Rainbow 第27天：黑彩虹 Members of the TRLab community gathered for the first meeting of the Firework Club to discuss Cai Guo-Qiang's Black Rainbow Explosion Project for Valencia and its representation in Your Daytime Fireworks.

This certificate is presented to the Real Unknown DAOers who participate in "ACTIVITY: New Year's Guardian Angel". In this activity, each participant was randomly assigned a guardian angel (to receive a gift) and a guarded DAOer (to give a gift).