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X fined €5m in Spain over unauthorized crypto advertising

By Martin Coyle ( November 13, 2025, 12:23 GMT | Insight) -- The X social-media platform, formerly Twitter, has been fined €5 million by Spain’s financial regulator for “serious” violations related to cryptocurrency advertising on its platform. Under rules introduced in Spain in March 2023, websites have to check whether companies are authorized to advertise financial products to the public.The X social-media platform, formerly Twitter, has been fined €5 million ($5.7 million) by Spain’s financial regulator for “serious” violations related to cryptocurrency advertising on its platform....

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