http://qvt3o2ipzxx3gtoyafd3ptqwsxjs52enlwlxuryn2xjkm7hnp5icd6yd.onion/coyim/whats-new-v04/introduction/2022/02/13/whats-new-in-v04-improved-security.html
However, these onion services were based on version 2 of the onion service
protocol, and this protocol has been deprecated by the Tor network. For this reason, we have now moved over to using the
version 3 onion services instead. This version is more powerful and significantly more secure, and you will get the
benefit of it without doing anything at all.