Candidate requesting we pay him for a programming challenge after rejection, is this normal?

We are hiring for an engineering role. we have interviewed dozens of people for other roles and had them do a take home which was never a problem. Now the first time we interviewed for a full stack ro

We are hiring for an engineering role. we have interviewed dozens of people for other roles and had them do a take home which was never a problem. Now the first time we interviewed for a full stack role, the candidate we rejected did not handle the rejection well and is asking us to wire him money for 8h of work. Has anyone ever experienced a similar move? Note our challenge has nothing to do with our work, we ask them to update a popular companies website with a new interpretation and tbh we have 0 use for the submission. It's merely to test peoples' abilities to code along 3 tiers and during the presentation it became clear the individual had no idea about database design, backends or APIs. Edit: earlier mentioned frontend role but was actually a full stack one. Edit2: we don’t expect people to spend 8h on it I do it in 30 mins with lovable and 2-3h with Cursor.