Tawagar masu bincike daga dakunan gwaje-gwaje da kamfanoni da yawa na Turai da suka ƙware a lissafin ƙididdiga sun ƙididdige ma'auni na kwamfutar ƙididdiga da ake buƙata don tantance maɓalli na sirri daga maɓallin jama'a na 256-bit elliptic curve (ECDSA) da aka yi amfani da shi a cikin cryptocurrency Bitcoin. Lissafin ya nuna cewa yin kutse ta hanyar amfani da kwamfutoci na ƙididdiga na Bitcoin ba gaskiya bane aƙalla shekaru 10 masu zuwa.
Musamman, 256 × 317 qubits na zahiri za a buƙaci don zaɓar maɓallin ECDSA-bit 106 a cikin awa ɗaya. Maɓallai na jama'a a cikin Bitcoin kawai za a iya kaiwa hari a cikin mintuna 10-60 na fara ciniki, amma ko da za a iya kashe ƙarin lokaci akan hacking, tsarin ikon kwamfyuta mai ƙididdigewa ya kasance iri ɗaya yayin da lokaci ke ƙaruwa. Misali, samfurin rana yana buƙatar qubits 13 × 106 na zahiri, kuma kwanaki 7 na buƙatar qubits na zahiri 5 × 106. Don kwatantawa, kwamfutar da aka ƙirƙira mafi ƙarfi a halin yanzu tana da qubits 127 na zahiri.
source: budenet.ru