What network is OriginTrail on?

Could you elaborate on the network that OriginTrail is currently operating on? I'm curious to know if it's a blockchain-based solution and if so, which specific blockchain platform it utilizes. Understanding the underlying technology and infrastructure is crucial for assessing the potential and scalability of any decentralized project. I'm particularly interested in how OriginTrail leverages the chosen network to achieve its goals of providing transparent and secure supply chain data.