Free cryptocoin earn options
Cloud Mining Sites
New Sites
Altcoin List
Scam Site Lists
Deposid and withdrawal Payment Proof.
The hyip and cloud mining up-to-date list and the proof of payment are published on pages prepared for each site.
You can find information on current SCAM list and newly added sites.
http://www.bestbtcsites.com/I guess by scam sites it means that they have stopped paying.