Sumokoin (スモコイン in Japanese) is a fork from Monero, one of the most respectable cryptocurrency well-known for security, privacy, untraceability and active development. Starting as an educational project, we found that it would be great to create a new coin with high level of privacy by (1) moving forward right away to Ring Confidential Transactions (RingCT), (2) setting minimum transaction mixins to 12 that would make it high resistance to blockchain analysis attacks.
Infinitecoin is a Litecoin fork and uses the scrypt Proof-of-Work hashing algorithm. It has a 30-second block target and the difficulty retargets every hour. There is a total of 90.6 billion Infinitecoin. Block rewards are 524,288 Infinitecoin per block and halves every 86,400 blocks (roughly 1 month). Infinitecoin was launched on 5 June 2013.