By way of example, if you purchase a copyright, the blockchain for that digital asset will for good teach you as the proprietor Unless of course you initiate a sell transaction. No you can go back and alter that proof of ownership. То?г?й?е е?ек?ивн??е, вико?и??ов???и на?? ав?ома?изован? ???а?ег?? ??легко, https://margarety741jpv5.blog-kids.com/profile