?ок?а??й?е ?во? знанн? й о??им?й?е о??анн? ?н?о?ма??? A blockchain is usually a distributed public ledger ??or on the net digital database ??which contains a history of each of the transactions with a platform. ?лок?ейн ?оби?? благод?йн???? б?л?? п?озо?о?, е?ек?ивно? ? в?д??еж?вано? As an example, if you buy a copyright, https://margareti543zqh2.blogdosaga.com/profile