Iqela labaphandi abavela kwiilabhoratri ezininzi zaseYurophu kunye neenkampani ezigxile kwi-quantum computing baye babala iiparameters ze-quantum computer ezifunekayo ukuqikelela isitshixo sabucala esivela kwi-256-bit elliptic curve-based key public (ECDSA) esetyenziswe kwi-cryptocurrency ye-Bitcoin. Ubalo lubonise ukuba ukukhwabanisa kweBitcoin usebenzisa iikhomputha ze-quantum akunangqiqo ubuncinane kwiminyaka eyi-10 ezayo.
Ngokukodwa, i-256 Γ 317 qubits ebonakalayo iya kufuneka ukhethe iqhosha le-106-bit ECDSA kwiyure. Izitshixo zoluntu kwi-Bitcoin zinokuhlaselwa kuphela kwimizuzu eyi-10-60 yokuqalisa ukuthengiselana, kodwa nangona ixesha elingakumbi lingasetyenziselwa ukukhwabanisa, umyalelo wamandla ekhompyutheni ye-quantum uhlala ufana nokunyuka kwexesha. Umzekelo, isampulu yosuku ifuna i-13 Γ 106 ye-qubits ebonakalayo, kunye neentsuku ezi-7 zifuna i-5 Γ 106 ye-qubits ebonakalayo. Ukuthelekisa, eyona khompyuter inamandla yequantum eyenziwe ngoku ine-127 qubits zomzimba.
umthombo: opennet.ru