How to use the HyperEVM

For users:

How do I add the HyperEVM to my wallet extension?

You can add the HyperEVM to your wallet extension by using Chainlist (https://chainlist.org/chain/999) or following these steps:

In your wallet extension, click “Add Custom Network” and enter the information below:

Chain ID: 999

Network Name: Hyperliquid

RPC URL: https://rpc.hyperliquid.xyz/evm

Currency Symbol: HYPE

How do I move HYPE to and from the HyperEVM?

You can send HYPE to the HyperEVM from your Spot Balances and vice versa by clicking the “Transfer to EVM” button on the Balances table for HYPE on https://app.hyperliquid.xyz/trade.

You can also send your HYPE to 0x2222222222222222222222222222222222222222 from either your Spot Balances or from the EVM to transfer.

Sending from the HyperEVM to your Spot Balances costs gas in HYPE.

What can I do on the HyperEVM?

Various teams are building applications, tooling, etc. on the HyperEVM. There are many community initiatives to track new releases on the HyperEVM, including:

https://www.hypurr.co/ecosystem-projects, https://hyperliquid.wiki/, https://data.asxn.xyz/dashboard/hyperliquid-ecosystem, and the #hyperevm-eco channel in https://discord.gg/hyperliquid

How does the EVM interact with the rest of the Hyperliquid blockchain?

Hyperliquid is one state with both native state (e.g., perps, spot, order books, other trading features) and HyperEVM state. Because everything is secured by the same HyperBFT consensus, there will ultimately be seamless integration between the two. You can build an application on the HyperEVM involving lending, trading, yield generation, etc. That application can directly access the liquidity on the order books, so that defi has CEX-like functionality for the first time. The application token can also list on native Hyperliquid trading permissionlessly, so that trading happens on the same chain as building.

Why does gas spike?

While the Hyperliquid native blockchain is one of the most performant, high throughput blockchains today, the HyperEVM was intentionally launched with lower initial throughput. Because the two systems share the same state, it is technically risky to allow the HyperEVM to consume more bandwidth on initial launch. The HyperEVM throughput will be increased over time in a gradual technical rollout.

Gas spikes on any chain when there is more demand than supply of blockspace. HyperEVM uses the same gas system as Ethereum and many L2s, where there is a base fee and a priority fee: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1559.md

For builders:

What can I build on the EVM?

Any application from other chains can already be built with the limited launch. The HyperEVM is a fully functional EVM of its own. The current interaction between native and EVM state is restricted to transferring HYPE as the gas token on the EVM to and from the spot token on the native side. Other features live on testnet will gradually roll out to mainnet, including precompiles and other token transfers.

How do I set up an RPC? What RPCs are available?

There is one rpc hosted at rpc.hyperliquid.xyz/evm

Other builders are launching their own as well. Users may run a node, but it is not a requirement to serve an RPC, as all data is uploaded real-time to S3. See python SDK for an example: https://github.com/hyperliquid-dex/hyperliquid-python-sdk/blob/master/examples/evm_block_indexer.py

What version of the EVM is the HyperEVM based on?

Cancun without blobs

What is the difference between the HyperEVM and other EVMs, like Ethereum?

Functionality is largely the same, which makes it easy to build similar tooling and applications. The main differences are:

1. Dual block system: fast small blocks and slow big blocks

2. Interactions with the native side of the Hyperliquid state, providing a seamless onboarding for all Hyperliquid users to the HyperEVM

How do I bridge an existing token to the HyperEVM? (assuming this is from outside of Hyperliquid)

This can be done through LayerZero or other cross-chain protocols that have launched on the HyperEVM.