000 00342nam a2200169Ia 4500
100 _aYathish R/ Tejaaswini/N
650 _aBlock chain
942 _cBK
366 _f20
654 _ablockchain
245 _aBlockchain for begineers
260 _bOreilly
_c2019
082 _bYAT
300 _a127
546 _aENGLISH
999 _c32986
_d32986