jm õv ÀнÜ)áDkÛVÔ fÉ4z({Ï%åk5tL14. Markus Stadler, Jean-Marc Piveteau, and Jan Camenisch, Fair Blind Signatures, Advances in Cryptology - EUROCRYPT '95, Springer-Verlag, pp. 209-219.
https://whatsonchain.com/tx/7da8006ae40f8c70ff0456c40d4995b6247c25bdd7535f9898882340c02d55d4