By joining the web of trust. Meeting people, verifying each other's identities and getting keys signed. Debian seems to be quite good at this. https://wiki.de

By joining the web of trust. Meeting people, verifying each other's identities and getting keys signed. Debian seems to be quite good at this. https://wiki.debian.org/Keysigning https://wiki.debian.org/Keysigning https://wiki.debian.org/Keysigning/Coordination https://wiki.debian.org/Keysigning/Coordination https://wiki.debian.org/Keysigning/Offers https://wiki.debian.org/Keysigning/Offers