Foreign Exchange/Currencies

Bitcoin's volatility makes the scenario seem unlikely, but some see El Salvador as a test case for other countries with high poverty and a dependence on cross-border remittances.

New fund option promises up to 7% annual return on a "stablecoin"-based account that would function much like a CD.

Banks are recommending corporate treasurers protect themselves against FX swings, which have been muffled recently by record-low interest rates and Fed liquidity support.

Despite a Twitter-user outcry, and loss of value for some cryptocurrency-related assets, market observers point out that this matches IRS treatment of cash transactions.

Price roller-coaster underscores that because bitcoin has no underlying profit streams or interest payments, it's inherently a speculative bet on future market trends.

Gensler will talk with Congress about authorizing a federal regulatory regime to oversee cryptocurrency exchanges, he told CNBC.

PBOC officials say no, the e-yuan is currently designed primarily for domestic use.

China's trial issuance of a digital yuan has some officials concerned about whether the dollar will remain the world's dominant reserve currency in the long term.