Tblock ne mai amfani da abun ciki wanda ke amfani da fayil ɗin mai masaukin baki (wanda ke nan a cikin tsarin aiki) don toshe shafukan yanar gizo marasa amfani. Ba wai kawai ya toshe talla ba, bin diddigin yanar gizo, ana iya amfani dashi don toshe damar yanar gizo a cikin cibiyar sadarwa mai kyau (LAN) ko don sauya jerin filaye daga wani tsari zuwa wani. Yana da software kyauta, wanda ke nufin kowa zai iya lilo, shirya, da kuma rarraba shi a ƙarƙashin sharuɗɗan lasisin GPLV3.

Kodayake talla ne tushen samun kudin shiga ga wasu mutane, zai tura mutane zuwa lalacewar samfuran da ba sa buƙata da fari. A yanar gizo, wannan tsari ya fi muni tun da aka yi niyya da tallacen da muka samu a kansu, da sauransu. Wannan ana kiransa babban tsarin cinikinmu. Ana sayar da bayanan sirri daga mutane, ma'ana mutane sun zama samfurin kamar haka. Irin wannan aikin ba wai kawai yana da haɗari ba, amma kuma yana lalata mahallin kuma yana da babban tasiri ga lafiyar kwakwalwa.