10% per day looks very suspicious. But from this brief information it appears as it is a kind of airdrop for tokens and altcoins.
Read here:
https://bitcointalk.org/index.php?topic=5211902.0They've done this before and it always ends with someone losing money, AKA ponzi.
I saw interest rates for BTC at 15% per week.
Do you really think that kind of "interest rate" is legitimate? Let's stop pretending this bullshit makes sense and look beyond our greed for once.