To help with identifying issues within your SSHd configuration, I recommend using ssh-audit: https://github.com/jtesta/ssh-audit
If anonymity is your concern, then consider Monero (XMR) instead of BTC.
For the time being, their recent additions to wireguard-go have increased its performance by nearly double when compared to the kernel version.
From what I've read, the patches are currently under revision by zx2c4 for the kernel version.
blackstar2043
joined 10 months ago
This is my current hardened sshd configuration.
ssh/sshd_config: https://pastebin.com/7tH36TdJ
pam.d/sshd: https://pastebin.com/eqkisf4F