[Merkuri]

BTC isn't useless, you just have to configure it well, which isn't trivial.

TLS proxies aren't all that common, you mostly see socks4, socks5, and http.

Proxies keep logs as well.

Yeah but if you get them from proxy trojan they don't, I have tell you that you have very big hole in your anonymity knowledge. You should read some more.

When you get proxies from your proxy trojan they don't keep logs but there is still chance to get you if you don't remove them from your botnet or you don't chain some proxies.