00568nam a2200205 a 450000500170000002000180001708200150003510000200005010000210007024501270009126000240021830000250024250000190026760000080028663000210029463000220031563000130033785600060035085600060035620251203114947.0  a9781788475686  a005.8bBAD  aBadr, Bellajd_  aRichard Horrocks  aBlockchain by exampleba developer's guide to creating decentralized applications using bitcoin, Ethereum, and Hyperledger  aMumbaibPacktc2018  axi, 507p.c26cm.bPB  aIncludes index  bc_  aComputer Science  aComputer Security  aBitcoins  f_  a_