[daego]

Key features: • Decentralized Architecture: No central server required, enhancing privacy and eliminating single points of failure. • Minimalist Design: Focuses on core functionality without unnecessary complexity. • Peer-to-Peer Connections: Direct connections whenever possible for low latency and high efficiency. • NAT Traversal: Built-in techniques to overcome NAT restrictions.

[yanko]

Cons: you have to rely on somebody's black box code and hope for no data leaks

[daego]

your worry is reasonable. Credant is similar as tailscale, using wireguard protocol. In this case you can check the result of traceroute to judge how your devices are connected.