By way of example, if you buy a copyright, the blockchain for that electronic asset will eternally explain to you since the owner unless you initiate a sell transaction. No you can go back and change that proof of ownership. ??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? https://gunnervfmsb.getblogs.net/62433427/copyright-things-to-know-before-you-buy