The boy got advice on what to do with the money from his brother. In 2011, one BTC cost around $12. In 2013, he started selling his first coins, after which the rate rose to $1,200.
By 2013, Fineman had already made $100,000 out of the 1,000 Euros. With this money, he founded an educational startup in 2014. Things went well, and Fineman soon moved to Silicon Valley, travelled the world giving lectures. He was also named TIME's most influential teen in 2014.
In January 2015, Erik got an offer to sell his company for $100,000. He was also offered 300 BTC as an alternative to fiat money. After a little thought, he chose the bitcoins. He continued to create different businesses, and by 18 he became a millionaire, winning the bet and refraining from university studies.