Robinhood Chain: Chain ID 4663 and How It Works

Robinhood Chain is Robinhood’s Ethereum Layer 2 network, built on Arbitrum Orbit. The practical details are simple: its chain ID is 4663, gas is paid in ETH, the public RPC is https://rpc.mainnet.chain.robinhood.com, and transactions can be viewed on Blockscout. It is a separate onchain network, not just another screen inside an exchange app.

Robinhood Chain is an Ethereum Layer 2

The official baseline is short. Robinhood Chain is an Ethereum Layer 2 network built by Robinhood on Arbitrum Orbit technology, according to the official docs.

That means Robinhood did not launch a standalone Layer 1 here. It launched its own network inside the Ethereum ecosystem, with its own chain settings and its own block explorer.

Robinhood’s clearest public explanation of why the chain exists came in an investor presentation published on September 9, 2026. Leadership said Robinhood Chain is part of the company’s infrastructure layer and said stock tokens can move onchain and into DeFi pools.

That is the plain-English reason to care about it. Robinhood Chain is the network where Robinhood-related onchain assets and trading activity can exist in a native way, rather than staying only inside a traditional app balance.

What Arbitrum Orbit means in practice

For most users, “Arbitrum Orbit” is not something to memorize. The important point is that Robinhood Chain uses that technology stack to operate as its own Ethereum Layer 2.

In practice, that gives Robinhood Chain its own:

• network identity
• chain ID
• RPC endpoint
• explorer
• onchain pools and transactions

So if a wallet is connected to Ethereum mainnet, it is not automatically on Robinhood Chain. The wallet has to switch networks.

That is also why a transaction on Robinhood Chain will not appear on an Ethereum mainnet explorer. It will show up on Robinhood Chain’s own Blockscout explorer.

How Robinhood Chain differs from Ethereum mainnet or an exchange app

Robinhood Chain sits in the Ethereum ecosystem, but it is not Ethereum mainnet. The easiest way to see the difference is operational.

On Ethereum mainnet, the wallet is pointed at Ethereum’s network. On Robinhood Chain, the wallet is pointed at chain ID 4663 and sends transactions to Robinhood Chain’s RPC.

It also differs from a normal exchange app balance. Onchain activity has wallet addresses, transaction hashes, smart-contract interactions, and visible transfer history on an explorer.

If you use a non-custodial web app such as RobinSwap on Robinhood Chain, every transaction is signed in your own wallet. That is a different model from simply tapping inside a custodial app interface.

Another visible difference is the asset mix. Robinhood Chain includes tokenized stock tokens that end in “• Robinhood Token.” Examples in current DEX data include:

• SPCX for Space Exploration Technologies Corp. Class A Common Stock • Robinhood Token
• NVDA for NVIDIA • Robinhood Token
• SPY for SPDR S&P 500 ETF Trust • Robinhood Token
• META for Meta Platforms • Robinhood Token
• GOOGL for Alphabet Class A • Robinhood Token
• AAPL for Apple • Robinhood Token

As of the snapshot captured at 12:59 UTC on September 19, 2026, GeckoTerminal-tracked pools showed SPCX with about $41.2 million in 24-hour volume, NVDA with about $28.4 million, and SPY with about $27.2 million. Those are tracked DEX figures over active pools, not the entire chain.

Robinhood Chain basics you actually need

These are the settings most people look for first.

The official reference page for these basics is the Robinhood Chain docs.

A few other useful facts from current market activity:

• Common quote assets on Robinhood Chain DEXes include WETH, USDG, USDC, and USDe.
• GeckoTerminal currently tracks pools across multiple DEX venues on the chain.
• In the September 19, 2026 snapshot, tracked volume was about $1.14 billion across 224 pools and 159 tokens, with 2.27 million tracked trades.

That last figure needs a caveat. “Tracked volume” here means the sum over the most active pools covered in the data, not a full accounting of every pool on the chain.

How to add Robinhood Chain to a wallet

You do not need a special wallet made only for Robinhood Chain. What matters is adding the network correctly.

1. Open your wallet’s network settings.
2. Choose the option to add a custom network.
3. Enter the chain ID as 4663.
4. Enter the RPC URL as https://rpc.mainnet.chain.robinhood.com.
5. If the wallet asks for an explorer, use https://robinhoodchain.blockscout.com.
6. Save the network and switch to it.

After that, the wallet should treat Robinhood Chain as a separate network from Ethereum mainnet.

The next practical step is gas. Robinhood Chain uses ETH for gas, so the wallet needs ETH on Robinhood Chain before it can send or swap tokens there.

How to check balances and transactions on Robinhood Chain

Once the wallet is on Robinhood Chain, the easiest way to verify activity is the chain’s Blockscout explorer.

Use it like this:

1. Copy a wallet address or transaction hash.
2. Paste it into the search bar on Blockscout.
3. Review the transaction list, token transfers, and contract interactions shown for that address or hash.

This is useful for a few common questions:

• Did the transaction actually confirm on Robinhood Chain?
• Did the token transfer reach the right address?
• Am I looking at the correct network, or at Ethereum mainnet by mistake?

Because Robinhood Chain has its own explorer, this check is often faster than guessing from a wallet balance alone.

What Robinhood Chain usage looks like right now

As of September 19, 2026, Robinhood Chain is not an empty network waiting for first use. The tracked pool data shows broad trading activity.

The September 19 snapshot shows:

• about $1.14 billion in 24-hour tracked volume
• 2,269,631 tracked trades
• 224 tracked pools
• 159 tracked tokens
• 20 or more new pools in the last 24 hours, with the feed capped

The biggest tracked venue split in that snapshot was:

• Uniswap V3 (Robinhood): about $622.6 million
• Uniswap V4 (Robinhood): about $259.4 million
• Uniswap V2 (Robinhood): about $85.6 million
• Ramses V3 (Robinhood): about $53.4 million
• Pons V2 Dex: about $46.1 million

That does not mean every token on the chain is liquid or low-risk. In the same dataset, some brand-new pools showed huge percentage moves within hours of launch. On new pools, especially those younger than two days, extreme gains are listing effects rather than proof of stable demand.

Common mistakes

The most common error is confusing Robinhood Chain with Ethereum mainnet. If the wallet is not on chain ID 4663, it is on the wrong network for Robinhood Chain transactions.

The second mistake is forgetting gas. Robinhood Chain uses ETH for gas, so a wallet can hold the right token and still fail to transact if it has no ETH on that chain.

The third mistake is checking the wrong explorer. Robinhood Chain transactions belong on Blockscout, not on an Ethereum mainnet explorer.

The fourth mistake is treating market snapshots as complete chain totals. The volume figures in this article come from tracked DEX pools, not from every contract and every pool on the network.

The fifth mistake is assuming this article confirms details it does not confirm. Tokens ending in “• Robinhood Token” are Robinhood tokenized stock tokens that trade in DEX pools on Robinhood Chain, but this article does not make claims about backing, redemption, or eligibility beyond that.