1. UPDATED — May 29, 2:10 a.m. ET:
2. On Twitter, @HiddenCash describes itself as “an anonymous social experiment for good.”
3. The anonymous person behind the account has been hiding envelopes filled with cash “around SF & beyond.”
4. To locate money hidden across the region, @HiddenCash has been sending out clues, which usually include a photo hint.
5. The account encourages those who find the money to tweet a photo and tag Hidden Cash.
6. Money has been found throughout San Francisco: inside a record album in Amoeba Records, taped onto parking meters, attached to a bulldozer…
7. And even at the beach.
9. Alex from San Jose found $130. He looks pretty stoked about it too:
10. The person behind the account has remained anonymous so far, saying he doesn’t want the attention on him, but on the project itself. The @HiddenCash account now has more than 200,000 followers.
11. The man behind the account said in a phone interview with KTVU that he made his money in San Francisco real estate. “The last real estate deal I did I made about half a million dollars. I can afford to give a lot,” he said.
12. Many people have been impressed with the idea behind @HiddenCash.
13. And think it’s a great way to pay it forward.
14. While others have criticized @HiddenCash for not giving money directly to charities, the anonymous benefactor has said he does donate to such organizations, including the San Francisco Food Bank.
15. He said his treasure hunts are for fun and are meant to “put a smile on someone’s face.”
16. He also said he would like people who can afford it, to “pay it forward” and give or share the money they find with someone else.
17. This guy shared his findings by buying lunch for his co-workers:
18. Cash was also left in a few spots in San Jose:
19. This lucky lady found some of the cash in San Jose:
21. The anonymous benefactor also said in an interview with CNN that he plans to continue his project indefinitely and is hoping to expand…
22. Wednesday night, @HiddenCash tweeted that it was about to make its first drop in L.A.
23. Wednesday night, @HiddenCash tweeted that it had made its first drop in L.A.
BuzzFeed reached out to @HiddenCash for this story, but has not yet received a response.