Ikwirakwizwa ryingenzi (Qkd) nuburyo bwo gutumanaho byinjira bishyira mubikorwa protocole yakanini irimo imibare Akenshi bita kuri Qortptography, nkuko ari urugero ruzwi cyane rwa Cryptograp ya Quafptografiya.
Mugihe uhari mubucuruzi imyaka myinshi, iterambere rikomeje gukora iyi sisitemu yoroshye, ihendutse, kandi ishoboye gukora urugendo rurerure. Ibi byose biranenga kuri naptake yiyi tekinolojiya na guverinoma n'inganda. Kwishyira hamwe kuri sisitemu ya QkD mumirongo remezo isanzwe ni ikibazo cya none nitsinda ryinshi ryibikoresho byitumanaho, abashinzwe umutekano wa QkD, abatanga ibikoresho bya QkD, barakora kuri ibi.
Qkd itanga uburyo bwo gukwirakwiza no gusangira urufunguzo rwibanga rukenewe muri protocole. Akamaro hano ni ukwemeza ko bakomeje kwikorera, ni ukuvuga hagati yurwego rwo gushyikirana. Kugira ngo dukore ibi, twishingikiriza kubyahozeho nkikibazo cya sisitemu ya Quzamu; Niba "ubareba", cyangwa ubahungabanya muburyo ubwo aribwo bwose, "umena" ibintu bya kamera.