00346nam a22001457a 450000500170000002000180001704100120003508200200004710000170006724500480008425000070013226000410013930000080018036500120018820260306152950.0  a9789357515320  aEnglish  a005.758 R25 SIN  aSingh Sanjay  aBlockchain for Distributed Systems Security  a01  aNew DelhibRandom Publicationsc2025  a280  b3000.00