bitcoin

Who created bitcoin?

• Kubota Takeo

• Sera Sora

• Satoshi Nakamoto

• Mase Shoichi

Bitcoin is ... internet currency.

• a peer to peer

• server-based

What is NOT advantage of Bitcoins?

• Payment freedom

• Choose your own fees

• Fewer risks for merchants

• Degree of acceptance

How can u own bitcoins ?

• use e-wallet which are secured by using password or private key

• individual can't own bitcoin

When was the first bitcoin specification and proof of concept published?

• 2008

• 2009

• 2010

• 2011