About GrumpycoinGrumpycoin (GRUMP) is a cryptocurrency. Users are able to generate GRUMP through the process of mining. Grumpycoin has a current supply of 19,134,625,000 GRUMP. The last known price of Grumpycoin is 7.6e-08 USD . More information can be found at http://grumpyco.in/.
The approximate return on investment if purchased at the time of launch (or earliest known price)