Great article, we at Super Zero Protocol (SERO) also aim to provide true privacy protection. To give a short introduction:

• Based on Zero knowledge proof and supports Turing complere smart contract
• Homomorphic Encryption
• zkp based “SUPER-ZK” encryption library created by SERO team.
• Issue Anonymous Assets and Tokens, Smart Contracts
• SERO Ecosystem of SERO Coin, Tokens, Tickets, Packages
• Achieved 20x encryption speed agains Zcash during September 2018 testnet.
• BetaNet RC and BetaNet Release version already launched.
• Mainnet release planned for April 2019.
• 3 in1 suite of SERO, ALIEN and CASTROL protocol.
• SERO’s Hybrid Transaction Model (UTXO + ACCOUNT)