Cov txheej txheem tsom mus rau kev nthuav tawm qhov chaw tshwj xeeb blockchain rau kev ua si thiab kev lom zem tsim tawm hnub no tau tshaj tawm txog $ 6.5 lab noob-theem kev nrhiav nyiaj txiag. Saga, uas tawg npog hauv lub Peb Hlis tom qab nws yog ...