A host of developers and designers, which include Richard Garriott, Raph Koster and Mark Jacobs, introduced MMORPGs from the late 1990s and early 2000s, demonstrating the business viability of large-scale virtual online games. Bitcoin vs. Blockchain Blockchain engineering was 1st outlined in 1991 by Stuart Haber and W. Scott Stornetta, https://hayleyf271zge6.wikibyby.com/user