liberdon.com is one of the many independent Mastodon servers you can use to participate in the fediverse.
Liberdon is an instance for libertarians, ancaps, anarchists, voluntaryists, agorists, etc to sound off without fear of reprisal. It was created in the wake of the Great Twitter Cullings of 2018.

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FreePatriot

Europeans are much more familiar with canceling currency.

Those governments are much more Marxist and have been canceling currencies routinely since WWII. What happens is you are forced to bring your cash in to swap it for the new version. In this case, it will be digital.