Paul Vigna covers the equity markets, economics, and bitcoin for The Wall Street Journal’s MoneyBeat blog (with occasional forays into the world of “The Walking Dead.”) He is also co-author along with Michael J. Casey of “The Age of Cryptocurrency: How Bitcoin and Digital Money are Challenging the Global Economic Order,” published by St. Martin’s Press. He previously worked at Dow Jones Newswires, and began his journalism career in 1991 at the Verona-Cedar Grove (N.J.) Times. He is a 1990 graduate of Fairfield University in Connecticut.