One example is, if you purchase a copyright, the blockchain for that digital asset will forever teach you because the proprietor unless you initiate a offer transaction. No you can go back and alter that evidence of ownership. ??п?й?е ?а п?одавай?е на ?по?овом? ?инк? за допомого? ?оз?и?ени? ?н????мен??в Blockchains https://eddiet233buo6.blogrelation.com/35753349/fascination-about-copyright