00290nam a2200109Ia 4500008004100000020001800041100005800059245001500117250000600132260002100138650002100159240827s9999 xx 000 0 und d a9783110681123 aŽivić, Nataša / Pustišek, Matevž / Kos, And 0aBlockchain a1 bDe Gruyterc2022 aComputer Science