# Instrument Escrow The Instrument Escrow is created along with the instrument management domain to keep user assets that are not yet locked by issuance. In order to deposit assets to individual issuance, users should deposit assets to Instrument Escrow first, and then invokes NUTS Platform API to transfer assets from Instrument Escrow to Issuance Escrow. The following functionalities, in addition to the shared functionalities between instrument escrow and issuance escrow, are supported for any account: * Deposit ETH for their own account * Withdraw ETH for their own account * Deposit ERC20 token for their own account * Withdraw ERC20 token for their own account --- # 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.nuts.finance/master/implementation/escrow/instrument-escrow.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.