Non HA - Mysterium Network? Rent your bandwidth?

Hello,
This is totally unrelated to HA, but I had a spared Raspberry Pi hanging around and had stumbled across https://mysterium.network/ recently.
I dont fully understand it, but they are creating some sort of VPN. It all sounds a little dodgy but its in the testing stage at the moment.
Anyway, you install their OS on your pi, claim your “node” and then they pay you for your bandwidth… (apparently). They claim you make $50 a month and it is showing ive made about $2 today, but its paid out in ETH at the end of the month so ill see what happens, as I only signed up yesterday.

Just wondered if anyone had any experience of this or similar?

Thanks

Any news on this? I would also be interested, not in getting payed, but to secure my connection to my ha