Yes, Paypal and blockchain. info have all information. But paypal can't help and say: "go to police"!
But German-police can't nothing do, if the deceiver in another Country 
In this case is it hopeless! Everybody must be carefully - deceiver are everywhere   And use only money which you can lose... it written everywhere.

For example:
This Project don't pay (I didn't paid here):      http://www.twodollarclick.com/index.php?ref=aw_dolcl01
This Projects pay or not, I don't know yet:      http://www.bigmoneyptc.com/index.php?ref=bimon_ej     http://www.neobux.com/?r=ArweNeo
Trading (very new!):                                   https://bleutrade.com/home/17774

But this Projects are very good (now    ; I paid and got Money, BTC back and service is good ) :
Banking (exchang, buy, sell etc):            https://www.okpay.com/?rbp=520437621      http://payeer.com/?partner=1021672
Trading (mining, exchang, buy, sell etc):  https://cex.io/r/0/WartosCexIO/0/   
Trading (exchang, buy, sell etc):             https://www.bitcoin.de/de/r/qx77ek             https://anycoindirect.eu/de/kaufen/bitcoins?discref=14d9dc30-7b8f-44e9-be3d-f958327dbb80
FreeBTC (Ads, Videos etc):                     http://www.bitvisitor.com/?ref=1MpPw3tdYiHkvBiw9jKBoHgNWfjn2Q2sov      http://bitclix.com/?r=9704     http://coinhd.com/?ref=189
                                                         https://coinad.com/?r=MZEFA8ZM6SW55OG        http://btcclicks.com/?r=664ce3e7        http://freebitco.in/?r=226889
Games :                                              http://goldenbirds.co/?i=66954                         http://goldenmines.biz/?i=23832
Free BTC, LTC, Dash, Doge an so on (only sign in, amazing !!! , exist over years):              https://qoinpro.com/ebafd1f9f25f6e4d074f372a104c438d

This was scam: http://bitcoinpartners.info/ru/%D0%9F%D0%B0%D1%80%D1%82%D0%BD%D0%B5%D1%80%D1%81%D1%82%D0%B2%D0%BE/  ,  I invested here 0.01 BTC, they sayd I get 0.02 back, and so on, as was like a doubler 

This experience based on 1.5 years