I knew it because I also tried it. I also tried to mine coins without any proper gadgets whatsoever. It's like how PI Network is today, but the token has value already at that time then slowly they came out of the limelight. Developers didn't make any developments in the project, and if they did, there aren't that much support from the community anymore. The project is still running with few updates on their social media accounts, but for me, I consider it a dead project already.
If you aren't a marketer for these dead project, just invest into Bitcoin. Bitcoin, and only Bitcoin, and not some dead projects like Electroneum.
Ohhh wait I guess you're one of the marketers of them base on what you are saying to us. I guess just good luck because I think that you are doing this because it's either you are being paid by them (which is highly unlikely), or you bought many ETN tokens in the past that you are now at a loss, and trying to manipulate newbies here to buy this worthless token. You can't do that because people here are intelligent enough to know what's a good project, and what's not.