

Well there’s your other problem.
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Next, you’re going tell me a billionaire’s involved somehow!
Well there’s your problem.
Since the Russian invasion in 2022, some of Ukraine’s local leaders and networks of their allies worldwide have discussed rebuilding in what would amount to two phases. First, everyday citizens would use democratic processes — from online tools to deliberative bodies like citizens’ assemblies — to make plans for their own localities. Second, reconstruction money would go directly to local governments, rather than via national governments and international aid groups, to enact those plans.
In a few months, I expect to see headlines about how this all collapses after CIA agents definitely local citizens sabotage their economy stage a successful campaign to liberate them from the evils of communism.
Signal
Signal supports a manual backup and restore option. Basically, messages are not backed up to any cloud storage, and Signal cannot access them.
WhatsApp can optionally back up the contents of chats to either a Google Account on Android, or iCloud on iPhone, and you have a choice to back up with or without end-to-end encryption.
iMessage
[iMessage] backups… are not end-to-end encrypted by default. This is a loophole we’ve routinely demanded Apple close.
The good news is that with the release of the Advanced Data Protection feature, you can optionally turn on end-to-end encryption for almost everything stored in iCloud, including those backups (unless you’re in the U.K.).
Google Messages
You can optionally back up Google Messages to a Google Account, and as long as you have a passcode or lock screen password, the backup of the text of those conversations is end-to-end encrypted.