# rxBTC The rxBTC is the token used to pay for the gas fee of transactions on the BitReXe network. It is a 1:1 pegged token to the Bitcoin, as well as proof of balance of your Bitcoin can be reclaimed on the Bitcoin Network. | First-class Asset Ticker | total supply | Contract Address | | ------------------------ | ------------ | ---------------- | | **rxBTC** | 21,000,000 | Native | * **Peg-in**: * A conversion from BTC to rxBTC * Locks BTC in the BTC multi-sig address * Releases rxBTC in the BitReXe-derived address generated by the DioWallet * **Peg-out**: * A conversion from rxBTC to BTC * Locks rxBTC on the BitReXe network * Releases BTC on the Bitcoin network ### Gas Fee {% hint style="info" %} **What is Gas Fee?** In order to avoid issues of network abuse and to sidestep the inevitable questions stemming from Turing completeness, all programmable computation on a permissionless blockchain is subject to fees {% endhint %} rxBTC is used to pay for the decentralized network computing and consensus, also known as a gas fee. You will need to pay a gas fee in rxBTC to complete, but not limited to the following on-chain activities: 1. Send Token 2. Mint Token 3. Create a smart contract 4. Maintain a smart contract state 5. Swap Token 6. Interactions with smart contracts ... --- # 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://bitrexe.gitbook.io/docs/tokenomics/rxbtc.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.