Bytecoin BCN: Hard Fork
December 12, 2018 is the date of the release of version 3.4.0 Beta. This major release of Bytecoin software brings a series of crucial innovations to the Bytecoin Desktop and the Bytecoin Daemons. All of these additions have appeared as the result of the research and development carried out by the Bytecoin Devs.These additions are: the anticipated HD wallets, unlinkable addresses, the new design of signature scheme, minimal anonymity enforcement, enhanced P2P protocol and auditable wallets: more....https://bytecoin.org/blog/bytecoin-roadmap-q4-2018-q1-2019
The cryptocurrency mainnet operates according to certain rules. To improve network performance or correct errors, it is periodically made changes. A hard fork is changes that are not compatible with previous versions of programs that support the cryptocurrency network and in order to continue to mine cryptocurrency, miners need to update the software.
In some situations, as a result of a hard fork, a completely new cryptocurrency may appear, as happened with Bitcoin Cash.