?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма??? A blockchain is a dispersed community ledger ??or on the web digital databases ??which contains a document of each of the transactions on a System. ?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ? в?д??еж?вано? Such as, if you buy a copyright, the blockchain https://henryr999qib1.blogpayz.com/profile