Hello, let me answer your questions one by one.

1. Sooo.. This coin doesn't use blockchain to do anything?
Answer - Eternal Token (XET) is on top of the Ethereum blockchain and deployed using smart contract.

2. And it's a Ethash algo with PoW and there's no mining available?
Answer - Yes. this is proof of work which is written as smart contract on top of the Ethereum blockchain.

3. And you use centralized networks. Essentially it sounds like you're selling a internet run wallet with centralized coins. Is this something that bothers anyone else???
Answer - If you are referring to Eternal Coin (XEC), yes, the centralized coin allowed us to prevent and tracing back to any fraudulent transaction and cyber hacking which is necessary for our overseas remittance services.