Could you please elaborate on the network that Akash operates on? I'm curious to understand the underlying technology and infrastructure that supports this cryptocurrency or blockchain-based solution. Is it built on a popular blockchain like Ethereum or Bitcoin, or is it a proprietary network with unique characteristics? Understanding the network is crucial in assessing Akash's potential, scalability, and interoperability with other platforms. Could you provide a concise yet informative description of the network that Akash utilizes?