> For the complete documentation index, see [llms.txt](https://meversedex.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://meversedex.gitbook.io/docs/frequently-questions.md).
# Frequently questions
**How to buy MEV?**\
\
Users can buy MEV on digital exchanges: [Huobi Global](https://www.huobi.com/en-us/exchange/mev_usdt), [MEXC](https://www.mexc.com/exchange/MEV_USDT), [Coinone](https://coinone.co.kr/exchange/trade/mev/), and [Bithumb](https://www.bithumb.com/trade/order/MEV_KRW).\
\
MEXC is the only exchange that MEVerse mainnet is integrated with at this moment, which means users can transfer MEV directly to Metamask on the MEV network. Otherwise, users must convert the network through the MEVerse account or MEVerse Bridge. MEVerse mainnet will be integrated with other exchanges gradually.\
\
✅[MEVerse Account](https://www.meverseaccount.io/home)\
✅[MEVerse Bridge](https://www.meversebridge.io/)\
\ **How to add MEVerse Network on Metamask?**\
✅[Please refer to the guidelines](https://medium.com/meverse/guideline-adding-meverse-network-to-your-metamask-wallet-20297afc6ec3)\
\ **How to transfer MEV to Metamask to use MEVerse DEX?**\
✅[Please refer to the guidelines](https://medium.com/meverse/guideline-how-to-transfer-mev-to-matamask-to-use-meverse-dex-dbaeaa4c49cd)\
\ **How to use MEVerse Account & Keystore?** \
Please refer to the Guideline
✅[MEVerse Account](https://medium.com/meverse/meverse-account-guideline-9f9a42c25399)\
✅[MEVerse Keystore](https://medium.com/meverse/meverse-keystore-guideline-c7b034c7c029)
**Where to buy NFT?**\
Users can buy Pocket Battles: NFT War on [MEVerse NFT Marketplace](https://meversedex.io/marketplace).
**Wish to change the Metamask wallet address that is already connected?**\
There is a feedback feature in the Pocket Battles: NFT War game that users can contact the game customer service.\
\ **What is the PKT Token address?**\
✅**PKT Token Address:** 0xbd95e72f28b5ac5ee4d99b6a8bcb2d03f25247e3\
\ **What is the MEV Token Address?**\
✅**ERC20-based MEV:** 0xb3Cb8d5AEFF0F4d1f432f353309f47b885E404E3\
✅**MEVerse-based MEV:** 0xef3432f1d54ec559613f44879fef8a7866da3e07\
\ **How to get a small amount of MEV for the transfer fee?**\
The users who use MEVerse Bridge for the first time will receive 0.5 MEV as a transfer fee. (1 Transaction cost 0.1 MEV)\
✅[MEVerse Bridge](https://www.meversebridge.io/)
**How to stake only MEV?**\
Users can stake MEV by creating a Formulator in the MEVerse account. A Formulator is a mining node of MEVerse.\
\
Anyone who wants to run mining nodes can easily create Formulators and participate in MEVerse token mining. The Formulator has three different types: Alpha, Sigma, and Omega. All the users need to start with Alpha Formulator, a basic level Formulator staking 200,000 MEV.
Alpha Formulators can be upgraded once they face the requirements. After running four Alpha Formulators for a minimum of 30 days, operators can upgrade their Formulators to one Sigma Formulator. Likewise, if Sigma Formulator operators have run two of them at least for 30 days, they can upgrade their Sigma Formulators to one Omega Formulator.\
\
To view the details, please check the guideline.\
\
✅[Creating Formulator guideline](https://medium.com/meverse/meverse-account-guideline-9f9a42c25399)\
✅[MEVerse Account](https://medium.com/meverse/meverse-account-guideline-9f9a42c25399)\
✅[MEVerse Keystore](https://medium.com/meverse/meverse-keystore-guideline-c7b034c7c029)
---
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