BTC Surf Expands its Exclusive Offer for its Community

Coinspeaker BTC Surf Expands its Exclusive Offer for its CommunityIf you have been in the world of cryptocurrencies for a long time, you should have experienced the evolution of the business models. In the initial phase, there were many business models linked to advertising.The already known “faucets”, and the PTCs (Paid To Click) were a