
Description: OriginStamp is a blockchain-based timestamping service that allows users to certify the existence of digital files or documents at a specific point in time. It uses blockchain technology to provide immutable proof of ownership and timestamping.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Proof of existence is a service that allows you to cryptographically prove that a document existed at a particular point in time. It works by submitting a hash of the document to a blockchain, which timestamp proofs its existence.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API