Thank you, I've already joined Cointelegraph on Facebook!
Receive all Cointelegraph news immediately in Telegram.
While there have been a number of well-known private currencies during the last few centuries, the ones that could have challenged government currencies were usually taken down in one way or the other by the state.
For updates and exclusive offers, enter your e-mail below.
You registration completed successfully.
Confirmation email sent to email address provided.