Zcash uses a special proof to secure the network called zk-snark - or proof of…
Zcash uses a special proof to secure the network called zk-snark - or proof of construction. This allows the network to maintain a secure ledger of balances without disclosing parties or amounts involved in transactions.
Pros
Zcash has quality like anonymity of transactions, world class team of developers ultimately same amount of coins as bitcoins.
Cons
A US company is behind Zcash and the company has imposed at the code level a 20% tax on all coins mined to pay for developpers and provide returns for investors. This is contrary to the spirit of digital currencies