Introduction in Bitcoin by Andreas M. Antonopoulos (@aantonop)

Refereum is a platform to earn rewards for gaming. For example:  If you download the (free of charge) game, which has been displayed in the YouTube, you will earn 200 points. Signup at Refereum Telegram for more […]

Bitcoin and Cryptocurrency Technologies Online Course This is a Bitcoin and Cryptocurrencies lecture in 11 parts with a bonus part (up to 15 hours movie) brought to the internet at 16 February 2015. Like in […]

Source: CoinTalk