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Legal Analysis

Influencers and Cryptocurrencies: Between Advertising and Fraud

calendar_todayDecember 21, 2025

Last updated:

lightbulbKey Takeaways

  • check_circlePromoted crypto scams
  • check_circleNecessary cooperator
  • check_circleJoint civil liability
  • check_circleFinancial advertising regulation

Quick answer

An influencer who promotes a fraudulent crypto project can face criminal liability if they receive compensation and fail to verify the lawfulness of the business: the law may treat them as a necessary cooperator or a participant for lucrative purposes in a fraud offence. Case law demands a reinforced duty of diligence from those able to influence the assets of thousands of followers, especially where the audience is young and vulnerable. Saying 'I just read the script' is not a valid defence.

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The promotion of complex financial products and crypto-assets by influencers has put the CNMV and the Prosecutor's Office on alert. Promoting a 'rug pull' or a pyramid scheme is no longer free of charge. If the influencer receives compensation and does not verify the lawfulness of the business, they can be considered a necessary cooperator or a participant for lucrative purposes in an aggravated fraud crime.

The Duty of Diligence and the Guarantor Position

It is not enough to say 'I just read the script'. Jurisprudence is beginning to demand a reinforced duty of diligence from those who have the capacity to influence the assets of thousands of followers, especially when targeting a young and vulnerable audience.

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