BlueCoin started as a trading game, and as a cryptocurrency began as a bit of a joke. It later gained the support of notable supporters like Charlie Shrem, and is gaining a reputation as a serious technogical innovator in the crypto space. Their community promises a clean water charity in keeping with the BLU theme, and the developers behind it are working on a number of innovations. The hybrid proof-of-stake/X11 scrypt mining set-up is ASIC and 51%-attack resistant, both proof systems are soon to be upgraded to be even more resilient. They also hope to add GHOST and coin join functionality for speedy confirmation times and enhanced user anonymity. Check their website at