I send 0.1 btc lets see if i get it back

It's a totally scam !!!
Did you read the thread

he is newly created account, so the chance of him being an alt account of OP to scam more people is 95%
Please all be aware of this ponzi, few days ago he run away with 8 btc ( look the blockchain on his Ponzi account) then he come back to say that he would like to refund old investor and never happen.
He open different new account here in order to scam other people.
Then he insert the hyip Explorer banner in order to certified his site but is totally fake, you can check directly on hyip explorer Web site and insert the Web site URL.
Please wait news from all the investor that send btc on this ponzi last week before make any investment!