Iyini isignesha ye-cryptographic?

Isignesha ye-cryptographic iyindlela yokuvikela idatha evumela ukuqinisekisa ubuqiniso nobuqotho bemiyalezo noma imibhalo. Isebenzisa ukubethela kwe-asymmetric: ukhiye owodwa usetshenziselwa ukusayina, kanti omunye usetshenziselwa ukuqinisekisa isignesha. Ngokusayina ulwazi, umthumeli uqinisekisa ukuthi umyalezo awuzange uguqulwe, futhi umamukeli angaqiniseka ngobuqiniso bawo. Amasignesha we-Cryptographic asetshenziswa kabanzi ku-blockchain, ukuvikela ukuthengiselana nokuqinisekisa ukuphepha kwempahla yedijithali.