Monero, one of the strongest altcoins on the market today, announced on its website that it will hold a new hard fork of the network on April 15, 2017. In that sense the project development team has released a new version of the software, Will be mandatory. This early update of the code is due to unexpectedly high rates of adoption of Ring Confidential Transactions (RingCT), which in turn led to the need to modify the algorithm to limit the dynamic size of the unit.