They are using ETH network. And from their website you can get their smart contract address, so it is an ERC20 token

https://etherscan.io/token/0x16f211421b40a0fac88310be8d11ea56deca374f

You can also check the services that they want to cater here:


But we don't know if they can indeed implement those services.
Also, if it is based in the Sahara, do they really have connection in that area.
I seriously doubt, they are just using this place as a front.