# Assessment 2

#### What are some of the primary purposes of timestamped hashes in the Bitcoin blockchain? (Choose ALL that apply)

* [x] To maintain the integrity and security of the blockchain
* [x] To prevent double spending
* [ ] To increase transaction speed
* [ ] To reduce transaction fees

**Notes to Learners**\
\
The concept of timestamped hashes is foundational to the integrity and security of the Bitcoin blockchain.


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