Spectrecoin: 51,300% ROI
Spectrecoin is a privacy-focused proof of stake altcoin that allows anonymous transactions. Spectrecoin (XSPEC) launched in late 2016 and has managed to generate an incredible return on investment for its early-stage investors. The currency launched at a value of $0.001 per XSPEC and is now trading at $0.418. XSPEC’s all-time high price was $6.56 on January 2, 2018 for a return of 51,400%.