Unfortunately, no. In fact, there is no such thing about being 100% anonymous online. What VPN offers is masking your IP address and protecting your privacy to make your online activities difficult to decipher.
Yes. In fact, Surfshark reviews are positive when it comes to torrenting thanks to 256-bit encryption, no-logs policy, and the capacity to break geo-restrictions.
No worries, torrenting is safe and legal since it’s only the act of downloading files with a P2P protocol. The only thing you shouldn’t do is downloading copyright-protected content as this counts as piracy and is, therefore, punishable by law.
A protocol is responsible for negotiating and maintaining the connection between your device and Surfshark servers. Different protocols have advantages on their own. You can use IKEv2, OpenVPN, WireGuard, Shadowsocks, and L2TP with Surfshark.