What is Mina built on?

Could you please elaborate on the technological foundation of Mina? I'm curious to know what it's constructed upon and what are the key components that contribute to its functionality and reliability? Is it based on a specific blockchain protocol or does it utilize a unique consensus mechanism? Additionally, are there any innovative features or technologies incorporated into Mina that distinguish it from other cryptocurrencies in the market? I'd appreciate a concise yet informative answer that highlights the technological backbone of Mina.