[ANN] marks announce threads. You better not mention bounties there
Those are official threads for speakng about the project.
Stake means your share in the bounty. All good of them are measured in stakes to avoid unspent bounty funds or situations when there are 'too many' participants.
If a bounty fund is 10,000 and you are the only one to do a task for 1 stake, you will receive all 10,000 (implssible though)
On the other hand there can't be a moment when 10,000 fund is offered for 1000 participants who all should be granted 50 tokens, because this way like 80% will receive noting tho they have done all the tasks.