> What happens to unclaimed tips (if recipient doesn't sign in and specify his/her bitcoin address)?
Funds that are not claimed during 30 days get returned back to the project.
Presumably "the project" in the answer refers to tip4commit? If so, isn't tip4commit committing fraud by advertising that tips go to the intended recipient, when in fact, if the recipient does not participate, they go into tip4commit's coffers?
(Or is "the project" a mistake and should read "the donor"?)
(Or is "the project" a mistake and should read "the donor"?)