# Assessment 1 #### What are the primary purposes of the Proof-of-W ork system in blockchain technology? (Choose ALL that apply) * [x] To secure the network * [x] To validate transactions * [ ] To increase transaction speed * [ ] To reduce computational resources **Notes to Learners** The PoW system serves as a mechanism to secure the network and validate transactions by requiring participants (nodes) to expend computational resources. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://hub.bsvblockchain.org/higher-learning/bsv-academy/bitcoin-whitepaper-series/section-4-proof-of-work-bitcoin-whitepaper/assessment-1.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.