# September 2025 2025-09-26 ### Mapping Update We've identified some mapping discrepancies around instruments with the asset code NEIRO. This appears to originate from different exchanges using this same code to refer to at least 3 distinct assets. The mapping in our reference data will be updated as outlined below: `NEIROCTO` : First NEIRO on ETH\ `1NEIRO` : NEIRO ETH \ `NEIRO` : NEIRO 2025-09-23 ### Mapping Update * Instruments listed below are update to use the base asset code `ONOMY` * CoinEx spot `nom-btc` becomes `onomy-btc` * Bitfinex spot `nom-usd` becomes `onomy-usd` & `nom-usdt` becomes * KuCoin spot `nom-usdt` * MEXC spot `nom-usdt` --- # 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://docs.kaiko.com/whats-new/2025/september-2025.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.