EnergyCoin (ENRG) is a pure PoS scrypt altcoin with an initial distribution of 110000000 coins going to the 2000 members of the community. The PoS annualised rates drop by 2% per year from 10% to 2% in year 5 - thereafter at year six there is a fixed interest rate of 1% per annum. There is a thirty second block time and a difficulty retargetting each block.
