Until one of it has a some problematic owner/origin in the past (the ledger is public, each output has a different history). Then it isn't accepted is many places. You can deduct the rest of the story. There are many examples in transparent chains of this happening.
Until one of it has a some problematic owner/origin in the past (the ledger is public, each output has a different history). Then it isn't accepted is many places. You can deduct the rest of the story. There are many examples in transparent chains of this happening.