MWC is an in-progress implementation of the MimbleWimble protocol. Many characteristics are still undefined but the following constitutes the first set of choices:
Clean and minimal implementation, and aiming to stay as such.
Follows the Mimblewimble protocol, which provides hidden amounts and scaling advantages.
Cuckoo Cycle proof of work in two variants named Cuckaroo (ASIC-resistant) and Cuckatoo (ASIC-targeted).
Relatively fast block time: one minute.
Fixed block reward over time with a decreasing dilution.
Transaction fees are based on the number of Outputs created/destroyed and total transaction size.