Pine is new to philanthropy, according to the donor, and did not set out to support any particular causes. “I was just thinking that I wanted to use my bitcoin for good in this world.” But several themes emerged. Pine made a point of showering largess on relatively obscure organizations, bestowing cash on a few high-profile groups — the American Civil Liberties Union’s political arm and Charity: Water each received $2 million — but mostly on small organizations and those working on complicated issues that might not attract average donors.