CoinDesk (@CoinDesk): JUST IN: Senator Lummis tells CNBC the challenges of taxing Bitcoin used for payments:
Estimated coin impact
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JUST IN: Senator Lummis tells CNBC the challenges of taxing Bitcoin used for payments: "We're trying to figure out how to weigh the appropriate way to decide when a sale of, for example, a Bitcoin should be subject to capital gains and when it should be allowed to be used as a…