Simple Ring Mixer (https://ropsten.etherscan.io/address/0x5e10d764314040b04ac7d96610b9851c8bc02815)
CToE Token (https://ropsten.etherscan.io/address/0xeace8fbe35577a892a01a05220deac93af9af0ce)
Stealth Addresses (Not yet deployed...)
MLSAG (Not yet deployed...)