# Quiz 15 What is the smallest unit of account in the BSV blockchain? **Type all answers and select the correct one** * [x] Satoshi * [ ] Bitcoin * [ ] UTXO * [ ] Block \ **Note to learners** The BSV Blockchain is an electronic cash system comprising 2,100,000,000,000,000 indivisible units called 'satoshis'. To learn more about it, you can follow the course [SHA256](https://bsvblockchain.360learning.com/course/play/68bac0569f76953779e261a6) --- # 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-primitives-hash-functions/quiz-bitcoin-hash-functions/quiz-15.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.