Ethereum Advance!
So, what should we call them all?
Both of them are hard-forks from Ethereum or clone-forks?
It's a scam. Do no provide any sensitive data.
Now a days a lot of scammers doing this job it's looking easy for them to collect data of private keys and dump them. It depend on holders how responsible they take action against this kind of shit forks.
Its not only people giving their private keys its the replay attacks that can go on.
Basically with BTC forks many of them were fake and they either wanted your private keys or they wanted you to perform BTC fork transactions that they would later replay on to the BTC network.
Say someone offered $100 for 1 BTC-FORK-COIN and you sent it because you assumed that BTC-FORK-COIN would fail and its useless. Then that user just replayed the transaction on the BTC network and basically ended up buying 1 BTC for $100 if you didn't properly split the coins.
The warnings were everywhere but people didn't listen anyways.