Charles Hoskinson, founder of Cardano, renews his call for 'verified tweets' on social media platform X.The call comes after the official Cardano Foundation account on X was hacked to promote scams and spread false information.Hoskinson suggests leveraging public-key cryptography to strengthen identity verification and enhance security on the platform.He previously proposed this idea in 2020 and now reiterates the need for verified tweets to prevent such incidents in the future.