What is Firo?
Zcoin made its fundamentals on Zerocoin protocol and was built in September 2016 as a decentralized currency. To perform transactions absolutely anonymous it applies zero-knowledge cryptographic algorithms. Zcoin is able for mining via Proof-of-Work algorithm. As PoW is ASIC resistance it limits the options of coin mining. So, you are able to mine this one only by PC or special pools. Every new block is processed in around 5 minutes and it is rewarded 25 coins. The market capitalization of Zcoin for March 2019 was $47 million.