Câu 6: HFCP: Hyperledger Fabric Certified Practitioner

After the transaction that contains the delState("A") function is committed, what happens to the ledger and state database?

1. A. getstate("A") function returns the current state of the key "A".
2. B. The deleting transaction sets an empty value to the key "A" in the write set.
3. C. The state of the key "A" is removed from the state database, but its history remains in the ledger. — đáp án hiện tại
4. D. All transaction histories which updated the state "A" are deleted from the ledger.