# Update History 2025 April 15th\ Adding accumulated features:\ Proxy Wallet / Multisig Wallet / Encrypted metadata in NFT / Offline tx signing 2023 May 5th\ Adding OIDC chapter, Leafchain Box chapter, some annotations and FAQ 2023 April 29th\ First release --- # 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://thxnet.gitbook.io/white-paper/update-history.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.