RSK: A Bitcoin sidechain with stateful smart-contracts. - Sergio Demian Lerner; Javier Álvarez Cid-Fuentes; Julian Len; Ramsès Fernàndez-València; Patricio Gallardo; Nicolás Vescovo; Raúl Laprida; Shreemoy Mishra; Federico Jinich; Diego Masini (IACR Cryptol. ePrint Arch., 2022)