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I was expecting more than "Telegram bad, use Signal". In times of war, internet service is likely to be unreliable. Are there any messengers that support a mes

I was expecting more than "Telegram bad, use Signal". In times of war, internet service is likely to be unreliable. Are there any messengers that support a mesh-based store-and-forward model, that do not require an internet connection? I think it's also worth thinking outside of the digital box. Radio - CB/ham/amateur radio in particular - requires no infrastructure and is far more expensive to block than the internet.

hndamien 5y ago
Flows - https://apps.apple.com/au/app/flows-chat-without-internet/id917227165 https://apps.apple.com/au/app/flows-chat-without-internet/id...
CameronNemo 5y ago
Briar is encrypted, p2p, goes over Bluetooth. https://briarproject.org/how-it-works/ https://briarproject.org/how-it-works/ https://news.ycombinator.com/item?id=29227754 https://news.ycombinator.com/item?id=29227754
- namibj 5y ago
  Note that Briar's darknet nature makes it not have a shared/social store-and-forward system. However, it does exchange messages with contacts whenever possible, recently added a file-based message transfer method (think dead-drop USB/microSD), and gossips message DAGs in forums and group chats (forums lack a leader; groups chat leaders can kick a member out but have to personally invite every member).
oats 5y ago
Ukraine, like countries often do during war, has temporarily banned amateur radio activity: http://www.arrl.org/news/amateur-radio-in-ukraine-ordered-off-the-air-in-state-of-emergency http://www.arrl.org/news/amateur-radio-in-ukraine-ordered-of...
squarefoot 5y ago
> Radio - CB/ham/amateur radio in particular - requires no infrastructure and is far more expensive to block than the internet. Very true in peace time, but it's in clear and easily traceable which makes it dangerous in war time; also there's little development in encryption over HAM/CB since it's illegal pretty much everywhere; encryption devices can be added externally, although for the above reason they're not immediately available at the next radio shop. Moreover, nowadays military forces can pinpoint immediately the source of a rogue transmission by measuring the phase delay of a signal on multiple fixed antennas, that is, they don't have to waste time while pointing directional antennas around to find the direction; therefore you push the PTT and after a fraction of second they have your location on the map. Now I'm not sure the Russians have this infrastructure in place in Ukraine, but they could if they wanted.
- LeoPanthera 5y ago
  This is no worse than a cellular signal which can be located just as easily, surely.

hndamien 5y ago

Flows - https://apps.apple.com/au/app/flows-chat-without-internet/id917227165 https://apps.apple.com/au/app/flows-chat-without-internet/id...

CameronNemo 5y ago

Briar is encrypted, p2p, goes over Bluetooth. https://briarproject.org/how-it-works/ https://briarproject.org/how-it-works/ https://news.ycombinator.com/item?id=29227754 https://news.ycombinator.com/item?id=29227754

namibj 5y ago
Note that Briar's darknet nature makes it not have a shared/social store-and-forward system. However, it does exchange messages with contacts whenever possible, recently added a file-based message transfer method (think dead-drop USB/microSD), and gossips message DAGs in forums and group chats (forums lack a leader; groups chat leaders can kick a member out but have to personally invite every member).

oats 5y ago

Ukraine, like countries often do during war, has temporarily banned amateur radio activity: http://www.arrl.org/news/amateur-radio-in-ukraine-ordered-off-the-air-in-state-of-emergency http://www.arrl.org/news/amateur-radio-in-ukraine-ordered-of...

squarefoot 5y ago

> Radio - CB/ham/amateur radio in particular - requires no infrastructure and is far more expensive to block than the internet. Very true in peace time, but it's in clear and easily traceable which makes it dangerous in war time; also there's little development in encryption over HAM/CB since it's illegal pretty much everywhere; encryption devices can be added externally, although for the above reason they're not immediately available at the next radio shop. Moreover, nowadays military forces can pinpoint immediately the source of a rogue transmission by measuring the phase delay of a signal on multiple fixed antennas, that is, they don't have to waste time while pointing directional antennas around to find the direction; therefore you push the PTT and after a fraction of second they have your location on the map. Now I'm not sure the Russians have this infrastructure in place in Ukraine, but they could if they wanted.

LeoPanthera 5y ago
This is no worse than a cellular signal which can be located just as easily, surely.