By way of example, if you purchase a copyright, the blockchain for that electronic asset will endlessly tell you about as being the proprietor Unless of course you initiate a sell transaction. No you can go back and alter that proof of ownership. ??дк?ий?е дл? ?ебе ?а о??имай?е до???п https://eduardoazqet.csublogs.com/36246501/facts-about-copyright-revealed