What is Fetch.ai built on?

Could you please explain to me the foundation upon which Fetch.ai is constructed? I'm curious about the technological backbone that supports this cryptocurrency platform. Could you elaborate on the core components or technologies that Fetch.ai relies on for its functionality and operations? Additionally, are there any specific innovations or advancements in the field of blockchain or AI that Fetch.ai has incorporated into its architecture? I'm eager to understand the unique aspects of Fetch.ai's infrastructure and how it differs from other platforms in the cryptocurrency and finance space.