Miners don't pump, they just dump their coins for the going rate to cover costs and make some profit. The pump comes from the buyers willing to pay more because they have an interest in the project or see potential, sometimes hoping for a quick profit too via swing trading.

Yeah, it is more than likely that the value will tumble once the wallets are unlocked, that is crypto. It has no meaning whatsoever though as ETN has way more potential than this. Seeing as it is just the start, it will make little difference. Once the price is low, people will scramble to pick up the cheap ETN as a long-term investment. The interest in ETN is absolutely insane, unheard of even. It is only on a single small/medium exchange and the volume is constantly high and value still rising.

The team are marketing wizards and they will mass market this project with the team they just hired. Like any new project, people should not expect immediate returns. It takes time! I look forward to a dump so I can add many more ETN to my portfolio for the future.