That is not a new rules.
It appeared after the end of the campaign, which means it is new.
bounty distribution among only real participants via smart contract.
What a nonsense!
"unpaid bounty" - that is untrue. Just click on links above and you'll see how many people received their bounties without problems and with a gratitude to us.
You paid a few participants and now post links to this, ignoring the non-payment to the rest. The spreadsheet has disappeared and you removed the project name from the title of the
bounty thread.