Scammers seized control of Input Output Global’s official YouTube channel this week and used it to broadcast an AI-generated video of Cardano founder Charles Hoskinson promoting a fraudulent cryptocurrency giveaway, prompting urgent warnings from the company and the founder himself.

The breach came to light on Friday when Hoskinson took to X to alert his followers that the IOG YouTube account had been compromised. “The IOG YouTube apparently has been compromised. Do not trust any videos or click on any links on it,” he wrote, adding that the team was working with YouTube to take the channel down and reset its credentials.

IOG issued its own security notice through its official X account, telling community members to steer clear of the…