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Hi Marc,
thought you might like this: https://www.cryptosclass.com/

It seems like there where mismatches between Visa and WaveCrest.
All WaveCrest Cards are affected. The press office of Visa Germany said there is no context to crypto at all.

except for investors in TenX of course

If visa is afraid, we might not be able to use crypto in the real world. They, MasterCard, et al are the ones with the global card system.