They're both part of sufferage as a whole, which was the topic of the article. You're right that it's not strictly necessary.
What the chain says
- Block
- 671 305
- Time
- 2021-01-23T18:43:24Z
- Signer
- 12z3e5HUSMwev9KHqtvg4W9xN48rbJg5H4
- App
- twetch
- Type
- post
- Content type
- text/plain
Fields the transaction did not carry are omitted. Open the payload to see the bytes as stored.
Signed by
12z3e5HUSMwev9KHqtvg4W9xN48rbJg5H4 Verified