With bitcoin, the diggers use electrical energy to dig. So what is the principle of PEPS 'PoS system? And how does it save energy?
with PoW chains, computer needs to do few millions of calculations which takes a lot of efforts of CPU or GPU which cause high heating and electricity consumption. With a Pure POS chain with Masternodes, the calculations are done within the blockchain which is stored over hundreds of nodes (computers) which required hundred times less electricity and produce hundred times less heat.
so PEPS is 100% environment friendly!