I was reading about a coin which wants to implement this feature but I don't know what it is and I can't understand very well the uses of case of this ''tecnology'' (I am not english native language). Could someone explaine this to me in simple words, please?
The use case is increased privacy. Apparently is a very clever solution to add increased privacy in bitcoin, the problem is it would run as a sidechain I think, and we are still far from sidechain/drivechains, but we will get there.
Im not sure of how Mimblewimble compares to existing "anonymous coins" like Monero, ZCash, zSNARKs.. and all the other competing anonymous solutions.
In case it was not clear: Mimblewimble is NOT an altcoin, it's an experimental bitcoin feature.