Shadowsocks is an encrypted proxy with both client and server components, the client software will open a socks5 proxy on the machine it is run. For more information about Shadowsocks check out the official site and wiki page
Shadowsocks is not VPN, VPN servers are generally easier for governments to detect and block as they generally speak their own protocol.
No, we don't keep any activity logs.
You will get 20% off if you purchase the service for 12 months.
You can find the expiration date under "my accounts" in the dashboard
We need it to notify you about server IP updates in case the IP is blocked by the government.