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Anchor · medium

31. Anchor: PDA Constraints (seeds & bump)

Declarative PDA validation and creation.

1 min read2 questionsup to 50 XPtopic 31/100

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Anchor handles PDA derivation automatically with `seeds = [...] ` and `bump`.

How to study this topic

  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
  3. 3. Answer the quiz without scrolling back — that is the real check.
  4. 4. Read every explanation, even for the answers you got right.

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Check your understanding

  1. 1. What does the seeds constraint verify in Anchor?

  2. 2. Why store the canonical bump in the account struct?

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