Protected questions and overall SO network reputation
32846
Allow people to answer protected questions if they have earned at least some amount of combined SE rep
42202
Which sites are excluded or limited from Hot Network Questions?
35969
Are there network-wide reputation leagues?
153487
How should users start earning reputation?
72441
Can we filter questions by reputation
85087
Answer from a user with 9 on-site reputation but protect option is not available (in sufficiently old question)
140537
Would a "Related network questions" list be possible and worthwhile?
67620
Why do protected questions only require 10 reputation to answer?
81941
Can we make automatically-scaling reputation thresholds work?
98107
Different types of reputation?
7089
The "I Get It" Reputation Problem
9917
Reputation for comments?
82521
Prevent protecting questions under certain circumstances
20508
reputation points gained in answers
42172
Determining user's reputation as of particular date?
83426
Prevent suggested edits under 10 reputation on protected questions
152818
Can we get a better wording for protected questions?