Ƙaddamar da blockchain a matsayin mafita don amintattun bayanai canji ne maraba. Bugu da kari a yanzu, kamar yadda dandamali na kafofin watsa labarun suka yi amfani da kasancewar su don cin zarafin sirrin mutane akai-akai. Gaskiya ne. Lamarin da ya jawo cece-ku-ce a tsakanin jama'a a cikin 'yan shekarun nan. A cikin shekarar da ta gabata, Facebook ya fuskanci mummunar zanga-zanga saboda yin amfani da sirrin…