Go to Profile → Settings → Block List to view and manage accounts you've blocked.
What blocking does:
- Your posts, profile, and other content stay hidden from the blocked account
- Follows, likes, and comments from that account stop
- Messages from that account stop
- Blocking is private. The other account is not told
To block someone from their profile:
Open their profile → tap the three-dot menu (⋯) → tap Block
To unblock someone:
Go to Settings → Block List → tap their name → confirm unblock