In the Featured news there is this article:- https://community.secondlife.com/blogs/entry/2577-important-changes-to-your-second-life-account-introducing-tilia/ which in brief announces that from 1st August your USD transactions are to be handled by Tilia, a specially created subsidiary.  All the details are in the article. A problem for some will be to provide identification required in order to process credit.  I'm not a US citizen so I'd have to obtain a passport just for this purpose.  I