On Thursday, Bitcoin Cash, itself a "fork" (or clone) of the original Bitcoin, split into two versions that will go their separate ways, and create their separate sets of headaches for users. But here's what else happened in the industry this week.
Catch up quick: Cryptocurrency scams are thriving on Twitter eight months after it said it was working to eliminate them; two initial coin offering issuers settle Securities and Exchange Commission registration charges; and Nvidia nurses a "crypto hangover" as demand for mining chips evaporates.