One example is, if you purchase a copyright, the blockchain for that electronic asset will permanently teach you given that the owner Unless of course you initiate a market transaction. No you can return and alter that evidence of ownership. ??дк?ий?е дл? ?ебе ?а о??имай?е до???п до зап??к? нови? https://binance37891.blogrenanda.com/35886087/about-copyright