What Does Segregated Witness (SegWit) Mean?
Segregated Witness (SegWit) is a protocol that has been implemented in the bitcoin cybercurrency community. It is characterized as a soft fork in the bitcoin chain, and has been widely accepted by bitcoin miners and users.
Techopedia Explains Segregated Witness (SegWit)
The Segregated Witness protocol is seen as a “soft fork” in that it does not break network consensus. By contrast, a hard fork can “split” the network according to its use. The emergence of Bitcoin Cash, which is now a separate chain, is an example of a hard fork.