Where to find a project to lower its yield for stake?

Hey @alazn, you can start your research on the OSS Staking page.

for project to lower its yield mean like this?

Yes, but not only, read the description (i), you need to stake towards a project so that its staking ratio exceeds the protocol’s staking ratio.

what minimum protocol’s staking ratio?

You need the maximum value, which is 1%.

did u got it bud???

not for now,i’m confused about this task,but let’s do what we can do