I discovered Folgory exchange today and their feature "Investment" caught my eye.
https://folgory.com/investment-request/BTCHow can you guarantee 72% profit per year?? So if I invest 1 BTC, I will have 1.72 BTC after one year, correct? Please explain how can you offer such interest rates.

yes is all correct
The investment is guaranteed. We work in liquidity and take profit fee from other exchange.
You can test with small amount without issue.
We have launched also Mining cloud investment >
https://folgory.com/mining