00275nam a2200133Ia 4500 Antonopoulos/Andreas M 2 BK 22 Mastering Bitcoin: Programming open block chain o ENGLISH 32768 32768 0 0 0 0 CRC CRCE CRCE 2023-03-17 A.O enterprises 1092.00 349 dt 18.08.2022 0 25970 2023-03-17 1400.00 0000-00-00 BK