# Whitechain > Whitechain is an EVM-compatible OP Stack Layer 2 settling on Ethereum, with WBT as the native gas token. ## Docs - [For project partners](https://l2docs.whitechain.io/getting-started/for-partners.md): Why deploy on Whitechain: deep WhiteBIT integration, exchange-listing pathway, ecosystem co-marketing, and OP Stack technical foundations. - [Introduction to Whitechain](https://l2docs.whitechain.io/getting-started/introduction/whitechain.md): Whitechain is an EVM-compatible Layer 2 blockchain built on the OP Stack and backed by [WhiteBIT](https://whitebit.com), one of the largest centralized exchanges in Europe with more than 5 million active users. It settles on Ethereum via blob data availability and uses WBT (WhiteBIT Coin) as the nat… - [Migration to L2](https://l2docs.whitechain.io/getting-started/migration.md): How and why Whitechain migrated from a Proof of Authority Layer 1 to an OP Stack Layer 2, and what changed for users, validators, and developers. - [Testnet faucet](https://l2docs.whitechain.io/getting-started/network/faucet.md): Claim test WBT from the Whitechain testnet faucet (chain ID 1874) to pay gas while deploying contracts and testing dApps on the L2 network. - [Getting $WBT](https://l2docs.whitechain.io/getting-started/network/getting-wbt.md): How to acquire WBT for gas on Whitechain L2: buy on the WhiteBIT exchange, use fiat on-ramps, or bridge ERC-20 WBT from Ethereum mainnet. - [Network reference](https://l2docs.whitechain.io/getting-started/network/reference.md): Chain IDs, RPC endpoints, explorers, and other parameters for the Whitechain Mainnet and Testnet environments. - [Legacy Whitechain L1 architecture](https://l2docs.whitechain.io/legacy/architecture.md): Technical architecture of the legacy Whitechain Layer 1 chain, covering its go-ethereum base, PoA validator set, block production, and network components. - [Legacy Whitechain L1 background and vision](https://l2docs.whitechain.io/legacy/background-and-vision.md): The original mission, guiding principles, and Grants Program behind the legacy Whitechain Layer 1 blockchain before its migration to an OP Stack L2. - [Legacy Whitechain L1 cross-chain bridge](https://l2docs.whitechain.io/legacy/bridge.md): The legacy Whitechain cross-chain bridge for secure token transfers between Whitechain and supported blockchain networks, inside the Whitewallet Web3 wallet. - [Legacy L1 migration reference](https://l2docs.whitechain.io/legacy/migration.md): Historical reference for the legacy Whitechain L1 to L2 migration, including the migration block, state transfer process, and impact on existing accounts. - [Legacy Whitechain L1 overview](https://l2docs.whitechain.io/legacy/overview.md): Reference documentation for the legacy Whitechain Layer 1 network, including its Proof of Authority consensus, EVM compatibility, and pre-migration design. - [Run a legacy Whitechain L1 mainnet node](https://l2docs.whitechain.io/legacy/run-a-node/mainnet-node.md): How to set up and run a full mainnet node on the legacy Whitechain Layer 1 network, including hardware requirements, configuration, and sync steps. - [Deploy smart contracts on legacy Whitechain L1](https://l2docs.whitechain.io/legacy/smart-contracts/deployment.md): How to deploy Solidity smart contracts on the legacy Whitechain Layer 1 network, including supported development tools and Solidity compiler version guidance. - [Legacy L1 proxy contract verification](https://l2docs.whitechain.io/legacy/smart-contracts/proxy-verification.md): How to verify proxy smart contracts on the legacy Whitechain Layer 1 Explorer after the implementation contract has been verified. - [Legacy L1 smart contract verification](https://l2docs.whitechain.io/legacy/smart-contracts/verification.md): Methods for verifying smart contracts on the legacy Whitechain Layer 1 Explorer, including single file, multiple files, and Standard JSON Input. - [Legacy Whitechain L1 wallet configuration](https://l2docs.whitechain.io/legacy/wallet-configuration.md): How to connect any Ethereum-compatible wallet, including MetaMask, to the legacy Whitechain Layer 1 mainnet and testnet using RPC endpoints and chain IDs. - [Getting WBT on legacy Whitechain L1](https://l2docs.whitechain.io/legacy/wbt/getting-wbt.md): How to obtain WBT on the legacy Whitechain Layer 1 network via the Telegram Funding (Faucet) Bot or by purchasing the token on the WhiteBIT exchange. - [Legacy L1 testnet faucet](https://l2docs.whitechain.io/legacy/wbt/testnet-faucet.md): How to claim test WBT from the legacy Whitechain Layer 1 testnet faucet for paying gas during smart contract development and testing on the network. - [Bridging assets between Ethereum and Whitechain](https://l2docs.whitechain.io/overview.md): Move assets between Ethereum and Whitechain with the OP Stack canonical bridge: deposits, withdrawals, contract addresses, and alternative bridges. ## OpenAPI Specs - [openapi](https://l2docs.whitechain.io/api-reference/openapi.json)