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SureMark - Built by the Co-Inventors of Blockchain

SureMark was developed by Drs. Stuart Haber and W. Scott Stornetta, the scientists whose early work at Bell Communications Research in blockchain now protects over $3 trillion in digital assets.

What SureMark Delivers

A SureMark Credential stops AI-driven fraud at the source—protecting every conversation, across every channel.

Use your SureMark Credential to securely identify the person you are speaking with

Works with any phone or video platform

Seamless authentication without shared contact info

Authorize all key documents and web content with authentication impervious to AI deepfakes

Provide secure commentary to online content - set the record straight wherever you are misrepresented in the media.

Verify Any Conversation, Across Any Channel

SureMark protects you, your loved ones, clients, and
associates from digital scammers.

Protect yourself. Starts at

$10/mo