Well, OP this looks more like a press release than the reliable offer. These ones may be a good exchange system but we need to hear more about personal experience than about what they provided you

As far as all internet goes, no one ever blocks the WHOLE internet. Some countries can but again, Internet is not the only network in the world. Besides that, you have peer-to-peer transactions so if government want to look at all traffic (including encrypted) they would need to install enormous scrapers on data-centers