SAN FRANCISCO — Faking it is over. That’s the feeling in Silicon Valley, along with some schadenfreude and a pinch of paranoia.Not only has funding dried up for cash-burning start-ups over the last year, but now, fraud is also in the air, as investors scrutinize start-up claims more closely and a tech downturn reveals who has been taking the industry’s “fake it till you make it” ethos too far.Take what happened in the past two weeks: Charlie Javice, the founder of the financial aid start-up Frank, was arrested, accused of falsifying customer data. A jury found Rishi Shah, a co-founder of the advertising software start-up Outcome Health, guilty of defrauding customers and investors. And a judge ordered Elizabeth Holmes, the founder who defrauded investors at her blood testing start-up Theranos, to begin an 11-year pri …
