The hub of the technology industry is Silicon Valley. In finance, the world capitals have long been London and New York. But in the emerging industry that combines finance and technology, often called fintech, the center of activity is less obvious.
The Beatles sang “I’m the taxman, and you’re working for no one but me.” The Internal Revenue Service is delivering that message to users of Bitcoin as it demands information from Coinbase, the largest virtual currency exchange that maintains “wallets” for holding digital value. The government wants to know about the identities of those who may be trying to hide income.