As an example, if you purchase a copyright, the blockchain for that electronic asset will forever show you given that the operator Unless of course you initiate a market transaction. No you can return and change that evidence of possession. ??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? https://jasperzumdu.bloggazzo.com/29149973/how-much-you-need-to-expect-you-ll-pay-for-a-good-copyright