Proof

The Green Checkmark That Changed Everything

Proof has developed Proof Digital Certificates, a cryptographically secured notary credential system that, as the first platform on Adobe's Approved Trust List, enables online notarized documents to display a green checkmark verifying authenticity, ensures tamper-evidence through digital seals, and protects notary certificates with enterprise-grade hardware security modules to maintain trust and prevent fraud in digital notarizations.

Every day, important documents such as mortgages, contracts, and powers of attorney are notarized online. This shift raises critical questions: How can you be sure the notary is legitimate? How do you know the signature is genuine and the document hasn't been altered?

At Proof, the belief is that trust should be verifiable, not assumed. This led to the creation of Proof Digital Certificates—a new standard for secure, trusted, and auditable online notarizations. The goal is not just technological advancement, but preserving confidence in a digital-first world.

Key Takeaways

  • Cryptographic security: Digital certificates serve as a notary's digital stamp, using public key infrastructure (PKI) to seal documents and prove identity at the cryptographic level.
  • The green checkmark: Proof is the first notary platform listed on the Adobe Approved Trust List (AATL), ensuring that documents notarized on the platform automatically display Adobe's green checkmark, confirming authenticity instantly.
  • Tamper-evidence: Any alteration to a document after signing breaks the digital seal, making tampering immediately detectable.
  • Enterprise-grade protection: Notary certificates are stored in FIPS 140-3 Level 2-compliant Hardware Security Modules (HSMs), the same technology securing internet infrastructure.

A Familiar Problem, Made Digital

Traditionally, notaries protect their physical stamp with great care, as its theft can lead to forged legal documents and fraud. In the digital world, the notary's "stamp" is a digital certificate—a cryptographic credential that proves identity and seals documents with integrity. Protecting this certificate is crucial for enabling trusted transactions and ensuring the validity of every notarization.

What Is a Digital Certificate?

A digital certificate is a cryptographic credential (a unique digital key) issued only after rigorous identity verification of the notary. When a notary signs a document with their certificate, it is sealed with tamper-evident technology.

  • If the notary's identity isn't verified, the certificate isn't issued.
  • If the document is altered, the seal breaks.
  • If a certificate isn't valid, Adobe Acrobat flags it immediately.

This is where the green checkmark comes in.

The Green Checkmark: Proof at a Glance

When opening a digitally notarized document in Adobe Acrobat, you will see one of two things:

  • ✅ A green checkmark, indicating the signature is cryptographically sealed and independently verified.
  • ⚠️ A yellow warning, indicating the signature cannot be validated.

Previously, most Remote Online Notarization (RON) platforms produced documents with the yellow warning due to not meeting Adobe's strict standards for identity verification, certificate security, and infrastructure integrity. Proof changed this by becoming the first notary platform trusted by Adobe and listed on the AATL. Now, certificates from Proof automatically produce the green checkmark, providing a clear visual signal of authenticity and security.

Why It Matters, For Everyone

For Businesses

Businesses such as title insurers and banks rely on notarized documents to transfer risk, authorize payments, and move assets. Forgeries introduce liability and unverifiable signatures can lead to disputes. With the green checkmark, businesses can instantly confirm the legitimacy of a notarization—no phone calls or guesswork required.

For Notaries

A compromised certificate can threaten a notary’s livelihood. Proof protects notary certificates in FIPS 140-3 Level 2-compliant HSMs, exceeding state requirements. Notaries do not need to install software or store credentials on USB drives. They sign on the platform, complete identity verification, and Proof manages the rest with robust security.

For Real Estate Professionals

Deed fraud is increasing, with criminals forging documents to illegally transfer property. Proof Digital Certificates make this much harder by cryptographically sealing and tracing each notarized document. Verification is instant and reliable.

What's Next: Digital Identity, Everywhere

Currently, digital certificates are primarily used for notarization, but their potential extends further. As digital identity becomes more persistent, certificates could be used for job applications, loan approvals, and more. They represent a new kind of digital credential—verifiable, portable, and secure.

Proof Digital Certificates aim to make every digital transaction easy to trust and impossible to fake. The green checkmark is more than a symbol; it is a signal of protection and authenticity.