To be fair, in today's clown world inflation has eaten 50% of your cash holding real value in 5 years. The only way to stay "ahead" is to dispose of your cash in exchange for securities (and not whatever this is).
From the FAQ https://www.taler.net/en/faq.html
Taler supports push and pull payments between wallets (also known as peer-to-peer payments). While the payment appears to be directly between wallets, technically the operation is intermediated by the payment service provider which will typically be legally required to identify the recipient of the funds before allowing the transaction to complete.