Proof-of-Capacity establishes a consensus layer that is permissionless, fair, energy efficient, secure, and universal — ensuring the fundamental security of the public chain. Proof-of-Capacity is designed to preclude the use of ASICs: participants just need to have access to storage space (such as hard drive space on a basic laptop.)
Thats really very innovative and one of prime reason why MASS has gain so much popularity in such short interval of time. The removal of ASIC is the main reason why there are so many miners in MASS and it will continue to increase with time. Lets see what price MASS takes in days to come. Right now its stable at 0.30$.