What chain is realio on?

Could you please clarify which blockchain network Realio is operating on? It's important to know the underlying technology behind a cryptocurrency or token, as it can have a significant impact on its performance, security, and overall usability. Are there any specific reasons why Realio chose this particular blockchain? Is there any information available about its scalability, transaction speed, and cost efficiency compared to other blockchains? Understanding the underlying technology can help investors and users make informed decisions about whether or not to engage with Realio.