Why Quantum Computing is a Long-Term Risk for Bitcoin
The nascent technology could one day enable hackers to break the encryption that keeps bitcoin secure. Such a hack could ...
Wall Street Journal59m
When Failing to Diversify Pays Off, Big Time
Steve Ballmer, the former Microsoft chief executive, keeps more than 80% of his portfolio in the company's stock. The rest is in index funds, with virtually no exposure to alternative investments.