# Assessment 1 #### What are key limitations for an attacker trying to manipulate the blockchain? (Choose ALL that apply) * [x] They cannot create value out of thin air * [x] They cannot misappropriate funds that do not belong to them * [ ] They can easily change any transaction * [ ] They can create a longer chain without restrictions **Notes to Learners** Even if an attacker successfully creates a longer chain, this does not grant them the ability to manipulate the system arbitrarily. For instance, they cannot create value out of thin air or misappropriate funds that do not belong to them. --- # 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-11-calculations-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.