That's why Snikket has a focus on easy invites that automate on-boarding and contact creation.

Other parts of the XMPP ecosystem also have easy invites that can be shared via QR code, SMS or any other messenger. Example: https://yax.im/i/#user@example.com or https://conversations.im/i/user@example.com See also https://yaxim.org/blog/2020/01/31/yaxim-0-dot-9-9-fosdem-edi...