00324nam a2200145Ia 4500 211209s2018 xx 000 0 und d 9781788839044 eng 004 BAS BASHIR, IMRAN MASTERING BLOCK CHAIN 2ND ED PACKT 2018 633 0 0 0 0 RIT RIT MCLIB 2022-01-22 6 4 004 BAS MC4625 2025-12-12 15:48:55 2025-04-22 2022-01-22 BK 110378 110378