CertInChain is a viewer and verifier of documents published in blockchain.

CertInChain has the following advantages:

• Instant verification of the authenticity of a Certificate.
• The information recorded in the Certificates becomes unalterable, transparent, traceable, and can also be publicly audited.
• Completely eliminates the need to submit paper certificates, thus accelerating both the exchange of information and the execution of verification tasks.
• The usual protection measures for paper certificates (security paper, watermarks, etc.) become unnecessary.
• Allows documents to be stored indefinitely, and be independent of damage due to the passage of time and manipulation
• Maintains a historical index of all changes or renewals, any update is automatic even if the certificates has already been distributed.
• It allows us to anticipate what will be the new world standard in information security.
• You can include additional documents as attachments to the Certificates.
• It has the necessary tools to comply with Personal Data legislation, allowing part or all of the information contained in the Certificates to be made available only to the intended recipients, in addition, private data have the ability to expire. Attempting to comply with European laws (GPDR), as well as the right to oblivion, and in spirit laws that force data to be within borders.

This version supports the following block chains:
• Ethereum
• Roostock
• Ethereum Classic

What’s New

Version 1.0.2

Fixed UI Glitches.
Fixed Bug in the Serializations of the assets.
Fixed Bugs in the pdf viewer.


M3 Consulting S.R.L.
127 MB

Requires iOS 9.0 or later. Compatible with iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6S, iPhone 6S Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPad Air, iPad Air Wi-Fi + Cellular, iPad mini 2, iPad mini 2 Wi-Fi + Cellular, iPad Air 2, iPad Air 2 Wi-Fi + Cellular, iPad mini 3, iPad mini 3 Wi-Fi + Cellular, iPad mini 4, iPad mini 4 Wi-Fi + Cellular, iPad Pro (12.9-inch), iPad Pro (12.9-inch) Wi-Fi + Cellular, iPad Pro (9.7‑inch), iPad Pro (9.7-inch) Wi‑Fi + Cellular, iPad (5th generation), iPad (5th generation) Wi‑Fi + Cellular, iPad Pro (12.9‑inch) (2nd generation), iPad Pro (12.9‑inch) (2nd generation) Wi‑Fi + Cellular, iPad Pro (10.5‑inch), iPad Pro (10.5-inch) Wi‑Fi + Cellular, iPad (6th generation), iPad Wi-Fi + Cellular (6th generation), iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro (12.9-inch) (3rd generation), iPad Pro (12.9-inch) (3rd generation) Wi-Fi + Cellular, iPad mini (5th generation), iPad mini (5th generation) Wi-Fi + Cellular, iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad (7th generation), iPad (7th generation) Wi-Fi + Cellular, iPod touch (6th generation), and iPod touch (7th generation).



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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