Matthew Green, farfesa a Jami'ar Johns Hopkins, tare da goyon bayan kungiyar kare hakkin dan adam Electronic Frontier Foundation (EFF), ya dauki matakin mayar da damar jama'a ga lambar aikin Tornado Cash, wanda aka goge ma'ajiyarsa a farkon Agusta. ta GitHub bayan an haɗa sabis ɗin a cikin jerin takunkumin Ofishin Amurka na Kula da Kadarorin Waje (OFAC).
The Tornado Cash aikin ɓullo da fasaha don haifar da decentralized ayyuka ga anonymizing cryptocurrency ma'amaloli, wanda muhimmanci complicate sa ido na canja wurin sarƙoƙi da kuma tsoma baki tare da kayyade alaka tsakanin mai aikawa da mai karɓa na canja wurin a cikin cibiyoyin sadarwa tare da jama'a m ma'amaloli. Fasaha ta dogara ne akan karya canja wuri zuwa ƙananan sassa da yawa, haɗuwa da matakai masu yawa na waɗannan sassa tare da sassan canja wurin sauran mahalarta da kuma canja wurin adadin da ake bukata ga mai karɓa a cikin nau'i na ƙananan canje-canje daga adiresoshin bazuwar daban-daban daga babban tafkin sabis.
Mafi girman wanda ba a san shi ba dangane da Tornado Cash an tura shi a kan hanyar sadarwar Ethereum kuma, kafin rufewa, ya sarrafa fiye da 151 dubu canja wurin daga masu amfani da 12 dubu jimlar dala biliyan 7.6. An amince da sabis ɗin a matsayin barazana ga tsaron ƙasar Amurka kuma an haɗa shi cikin jerin takunkumin da ke hana mu'amalar kuɗi ga 'yan ƙasar Amurka da kamfanoni. Babban dalilin da ya sa aka haramtawa shi ne yin amfani da Tornado Cash wajen wawure kudaden da aka samu ta hanyar aikata laifuka, ciki har da wawure dala miliyan 455 da kungiyar Lazarus ta sace ta hanyar wannan hidima.
Bayan ƙara Tornado Cash da walat ɗin cryptocurrency masu alaƙa zuwa jerin takunkumi, GitHub ya toshe duk asusun masu haɓaka aikin kuma ya share ma'ajiyar sa. Tsarin gwaje-gwajen da ya danganci Tornado Cash, waɗanda ba a yi amfani da su wajen aiwatar da samarwa ba, su ma sun fuskanci hari. Har yanzu ba a fayyace ba ko ƙuntata damar yin amfani da lambar yana cikin manufofin takunkumi ko kuma an aiwatar da cirewa ba tare da matsa lamba kai tsaye kan yunƙurin GitHub don rage haɗarin ba.
Matsayin EFF shine cewa haramcin ya shafi amfani da sabis na aiki don haramtacciyar kuɗi, amma fasahar ɓoye sunan ma'amala kanta hanya ce kawai ta tabbatar da sirri wanda za'a iya amfani dashi ba kawai don dalilai na laifi ba. Shari’ar kotuna da ta gabata sun gano cewa kundin tsarin yana kunshe ne da Kwaskwarima na Farko ga Kundin Tsarin Mulki na Amurka, wanda ke ba da yancin faɗar albarkacin baki. Lambar da kanta, wanda ke aiwatar da fasaha, kuma ba samfurin da aka gama ba wanda ya dace da turawa don dalilai na laifi, ba za a iya la'akari da batun haramcin ba, don haka EFF ta yi imanin cewa sake aikawa da lambar da aka cire a baya doka ce kuma bai kamata GitHub ya toshe shi ba.
Farfesa Matthew Green sananne ne don bincikensa a cikin bayanan sirri da sirri, gami da haɗin gwiwar ƙirƙira cryptocurrency Zerocoin da ba a san sunansa ba da kuma kasancewa cikin ƙungiyar da ta bankado wata kofa a cikin babban janareta na lambar bazuwar Hukumar Tsaro ta Amurka Dual EC DRBG. Babban ayyukan Matthew sun haɗa da nazari da inganta fasahar sirri, da kuma koya wa ɗalibai irin waɗannan fasahohin (Matiyu yana koyar da darussa a kimiyyar kwamfuta, aikace-aikacen cryptography, da cryptocurrencies da ba a san sunansa ba a Jami'ar Johns Hopkins).
Masu ba da suna kamar Tornado Cash misalai ne na nasarar aiwatar da fasahar keɓantawa, kuma Matta ya yi imanin cewa lambar su ya kamata ta kasance tana nan don nazari da haɓaka fasahar. Bugu da ƙari, bacewar ajiyar ma'auni zai haifar da rudani da rashin tabbas game da abin da za a iya amincewa da cokali mai yatsa (masu kai hari na iya fara rarraba cokali mai yatsa tare da sauye-sauye masu haɗari). Matiyu ne ya sake ƙirƙirar ma'ajiyar da aka share a ƙarƙashin sabuwar ƙungiyar tornado-repositories akan GitHub don jaddada cewa lambar da ake magana a kai tana da fa'ida ga masu binciken ilimi da ɗalibai, kuma don gwada hasashen cewa GitHub ya cire ma'ajiyar ta hanyar bin umarnin takunkumi, kuma an yi amfani da takunkumin don hana buga lambar.
source: budenet.ru