# Assessment 4 #### True or False: Chronicle Release broke backward compatibility, requiring all existing Bitcoin scripts to be rewritten. * [ ] True * False **Notes to Learners** Chronicle was explicitly designed for full backward compatibility through transaction versioning. Pre-Chronicle transactions continue validating under their original rulesets. Chronicle opcodes become available in transactions using the Chronicle version number. This means existing scripts work unchanged while new scripts can leverage restored functionality. --- # 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/bsv-opcodes/historical-opcodes-and-chronicle-restoration/assessment-4.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.