As an example, if you purchase a copyright, the blockchain for that digital asset will eternally tell you about as the owner unless you initiate a sell transaction. No you can return and change that proof of possession. ??дк?ий?е дл? ?ебе новий ??вен? ?андом? й ?озблок?й?е необмежен? можливо??? дл? https://jackg174rxd9.wssblogs.com/profile