SureMark — Credential Onboarding

Your Identity.
Cryptographically
Yours.

SureMark lets you sign content across the platforms you already use — YouTube, LinkedIn, X, Instagram, Facebook, and leading publications — so the world can verify it's really you.

Get Started — 2 Minutes →
🔒 Cryptographic proof  ·  No passwords shared  ·  Built by blockchain co-creators
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Sign content from anywhere you create
YouTube LinkedIn X Instagram Facebook
+ leading publications
The New York Times Reuters Forbes Associated Press POLITICO Wired TechCrunch
01 — What is SureMark?

The infrastructure of
digital authenticity.

SureMark lets you cryptographically authorize content you've created or been featured in — across social platforms and leading publications.

Built by the co-creators of blockchain, SureMark creates an unforgeable record that a piece of content is really you — before deepfakes and impersonators can exploit your identity.

✓
Cryptographic Proof
Your signature is cryptographically tied to your verified identity — it can't be faked or replicated.
🛡
Deepfake Protection
Every piece of signed content makes impersonation harder — building a verified trail over time.
⚡
One Signing Phrase
Your cryptographic key. Never shared. Never stored by SureMark. Yours alone.
02 — Why Sign?

Every signature
strengthens your credibility.

When you sign content, you're building a verified digital identity that proves "this is really me" — across every platform, every post, every appearance.

01

Prove It's Really You

A SureMark signature creates an unforgeable, timestamped record that links your identity to your content — publicly verifiable by anyone.

02

Build a Verified Digital Presence

Each piece of signed content adds to a growing body of authenticated work — making it progressively harder for bad actors to impersonate you.

03

Stay Ahead of Deepfakes

Cryptographic provenance is proactive protection — not reactive detection. You establish the truth before fraud can take hold.

03 — How to Sign

Three steps.
Two minutes.

Everything you need to get your first signature done — right now.

01

Log In to SureMark

Head directly to the SureMark app to get started.

✓
Go to app.suremark.digital/login
✓
Enter your email address
✓
Use the one-time password to log in
02

Set Up Your Credential (One-time setup)

This is the only setup you'll ever do. It takes less than 60 seconds.

✓
Enter your first name, last name, and an optional profile picture
✓
You'll receive your Signing Phrase — save it immediately
⚠️

Save your Signing Phrase before continuing. This is your cryptographic key — the only way to authorize content.

✓ Store it in a password manager (1Password, Bitwarden, etc.)
✓ Or write it down and keep it somewhere secure
✗ Never share it with anyone — SureMark will never ask for it
03

Sign Your Content

Your content is waiting for your signature in the dashboard.

✓
Go to the "My Content" tab in your dashboard
✓
Click the Sign button on the content waiting for you
✓
Add an optional comment if you'd like
✓
Enter your Signing Phrase to complete — you're done ✓
04

Add the Browser Extension Optional

The SureMark Chrome extension lets you verify signed content directly in your browser — instantly see whether any piece of content has been cryptographically authenticated.

✓
Install the extension from the Chrome Web Store
✓
Pin it to your browser toolbar for easy access
🧩 Add to Chrome — it's free
Ready?

Your verified identity
is two minutes away.

Head to app.suremark.digital/login and follow the three steps above to set up your credential.

Schedule a Demo →
Questions? Email us at info@suremark.digital