I doubt that blockburn is going to matter in June because I'm pretty sure they will evade the bounty distribution again, whenever this type of trust less arose in any bounty project I ignore such project as if I never joined the bounty campaign, Cartesi did a very good job today but keeping their promise, all bounty hunters received their tokens successful
I don't know much about blockburn but I can tell you guys if a team is not delivering on their promise that they made you, there is no reason why you shouldn't think of it as scam.
Even if they end up paying you in June, that is still scam, the scam is not getting your work or money and not paying you, the scam is getting your work or money and not delivering on time and instead postponing it. And that is even if they do end up paying, it is still a scam but a smaller scam, this way if they do not pay its even a bigger scam. Hence at the end of the day, if a team broker's one promise, they could break another, this is literally why I trust decentralized coins, like bitcoin and ethereum, if a coin has ownership, that ownership could do whatever they want and you can't do anything about it.