LeadProof ™ Verify a certificate hash Confirm a hash you were given belongs to a genuine, untampered certificate. Both the certificate ID and its hash are required — verification is only available to those who already hold both.
LeadProof™ is a proprietary product and service of LeadOpera LLC, a Colorado limited liability company, operated through its independent website · proveleads.com. LeadOpera™ and LeadProof™ are trademarks of LeadOpera LLC. Unauthorized use of these marks is strictly prohibited. A LeadProof certificate is a tamper-evident record of what was shown and agreed at the date and time shown — not a determination of legal or regulatory compliance, and not legal advice. The integrity hash can be independently verified. The certification method used by LeadProof is patent pending. Use is subject to the Terms & Conditions .