Who this is for: anyone using Lumia (developer, issuer, node operator, or general user) with a question that isn't specific to one section of the docs. At the end of this page you'll have an answer, or a link to the page that does.
Use mainnet for anything real: production apps, real assets, real funds. Use Beam testnet for development and testing. Every value you need to configure either (chain ID, RPC, explorer, and anything else confirmed) lives at Networks; copy it from there rather than from an old bookmark.
There is also a retired network that is not a live Lumia network and is not another name for Beam. If a tutorial or config file points at it, it's stale; see Retired testnet for what it was and how to tell you're on it.
Lumia is EVM-equivalent but not identical at the opcode level. Some opcodes and precompiles are modified or unsupported. The full, canonical table is at EVM opcodes; don't rely on assumptions carried over from another chain.
Start at Getting a wallet for the general path, or Add Lumia to MetaMask / Add Lumia to FoxWallet if you already know which wallet you're using and just need the network added.
That's bridging, not swapping. See Bridging assets for the user-facing walkthrough, or Bridge assets to/from Lumia L2 (technical) for the developer/contract-level view.
Run a Node. It covers running your own RPC node, zkNode/validium node, or DA light client: hardware requirements, setup, and troubleshooting.
No. Run a Node is generic, self-run node infrastructure that anyone can set up. HyperNodes is Lumia's separate commercial node product. If you're trying to run your own infrastructure, you want Run a Node. If you're asking about your existing HyperNodes, start on the HyperNodes page, and use Contact & support channels for anything account-specific.
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