Cardano (ADA) is gearing up for its most ambitious ... Investors who buy in the current round can anticipate up to 140% ROI when the token's projected launch price of $0.06 is hit.

However, with figures such as Tesla (ticker: TSLA) CEO Elon Musk pushing energy usage concerns to the forefront, proof-of-stake just gained a major round of free publicity. And Cardano's Ouroboros ...