chainSeal

chainSeal puts credential verification in your pocket. Whether you're an HR professional screening candidates, a hospital credentialing office onboarding staff, a compliance officer on a job site, or someone who simply received a certified credential and wants to keep it safe — chainSeal is built for you. INSTANT VERIFICATION — NO ACCOUNT REQUIRED Point your camera at any chainSeal QR code and get an instant, definitive answer. Every credential is permanently recorded on the Polygon blockchain — tamper-proof, independently verifiable, and permanently accessible. No phone calls to issuing institutions. No waiting for email responses. No trusting a PDF that could have been edited. FOR VERIFIERS HR departments, hospital credentialing offices, admissions teams, compliance officers, and hiring managers can confirm diplomas, licenses, and certifications in seconds. If the credential is real, you'll know immediately. If it's not in the system, you'll know that too. Verify any of the following instantly: - CPR, BLS, ACLS, and First Aid certifications - OSHA safety cards and compliance certifications - Professional licenses — nursing, legal, engineering, and more - University diplomas and academic certificates - Forklift operator and trade certifications - Corporate training completions and HR credentials - And any other credential issued through chainSeal FOR CREDENTIAL HOLDERS Sign in to access your personal credential wallet. Every credential issued to your email address appears automatically — no manual entry required. Store credentials from multiple institutions in one place, share verification links with employers, display your QR code for on-the-spot verification, and track expiration dates before they sneak up on you. YOUR CREDENTIAL WALLET INCLUDES: - Automatic aggregation of all credentials issued to your email - Support for multiple email addresses — link all your emails to see every credential in one place - One-tap sharing via link, QR code, or portfolio summary - Expiration tracking with advance warnings - Offline access to your credential list and QR codes - Download your blockchain-verified certificate PDF anytime BLOCKCHAIN-VERIFIED, PERMANENTLY Every chainSeal credential is hashed and recorded on Polygon mainnet — one of the world's most established blockchain networks. The record is permanent, public, and independently verifiable on Polygonscan. No company, institution, or government can alter or erase it. chainSeal is built by Witty Inventions Digital, LLC in Raleigh, NC. Institutions: issue blockchain-verified credentials at chainseal.pro