Long range (LoRa) mesh networks are interesting alternatives to communication, especially when state actors are blocking internet access for various reasons.
More details about meshtastic: https://meshtastic.org/
About its current state of encryption: https://meshtastic.org/docs/overview/encryption
What up with everyone using the acronym LoRa. It is becoming confusing.
It stands for Long Range, so would otherwise have been LR.
We ran out of acronyms a long time ago.