Photo Senator Rand Paul, Republican of Kentucky, at a campaign event in New Hampshire on Wednesday. Credit Ian Thomas Jansen-Lonnquist for The New York Times WASHINGTON — Presidential fund-raising, never known for its transparency, may have just become even more secretive.
In announcing his candidacy for president this week, Senator Rand Paul of Kentucky waded into new waters when he said he would accept campaign contributions in Bitcoins, a largely untraceable virtual currency, in amounts […]
