Crypto Gloss

Arbitrum Orbit

Arbitrum Orbit is Offchain Labs’ open-source framework for launching custom Arbitrum-powered rollup chains — either as Layer 2s settling directly to Ethereum or as Layer 3s settling to Arbitrum One or Nova — allowing teams to customize gas tokens, sequencer configuration, data availability mode (Rollup or AnyTrust), throughput, and governance while paying a revenue share to the Arbitrum DAO for the use of the technology.

Just as Optimism’s OP Stack enables teams to deploy OP Stack chains (Base, Mode, Zora), Arbitrum Orbit lets teams deploy chains using Arbitrum’s Nitro technology. Notable Orbit chains include XAI (gaming), Degen Chain, Treasure Chain, and multiple gaming/DeFi chains.

Arbitrum Technology Background

Before understanding Orbit, the parent chains:

Arbitrum One:

  • Arbitrum’s flagship general-purpose L2
  • Settles to Ethereum via Rollup (full data on Ethereum)
  • Honest minority assumption — one honest validator can ensure correct state
  • EVM-compatible; home to GMX, Radiant, Camelot, Treasure

Arbitrum Nova:

  • Optimized for high-throughput applications (gaming, social)
  • Uses AnyTrust protocol — data availability committee (DAC) stores data; posts to Ethereum only if committee fails
  • Much cheaper per transaction due to reduced L1 data posting
  • Used by: Reddit Community Points (before shutdown), Xai Games, Treasure

Nitro:

  • The shared underlying technology — EVM-compatible fraud proofs using WebAssembly (WASM) as the execution environment for proofs
  • Significant efficiency improvement over original Arbitrum (Nitro launched 2022)

Orbit Architecture Options

L3 on Arbitrum One or Nova

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Transaction → L3 Chain → Settle to Arbitrum One (L2) → Settle to Ethereum (L1)

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Benefits:

  • Even cheaper transactions (L3 fees are tiny because settling to Arbitrum, not Ethereum directly)
  • Custom gas token (e.g., use your game’s token as gas)
  • Application-specific environment (no noisy neighbor problem)

Use cases: Gaming (one chain per major game), social, highly specialized DeFi

L2 on Ethereum

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Transaction → L2 Orbit Chain → Settle to Ethereum (L1)

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Benefits:

  • Direct Ethereum security (not dependent on Arbitrum One’s security)
  • More independence from Arbitrum governance
  • Required for regulatory or institutional deployments

Use cases: Institutional finance chains, sovereign application chains

Data Availability Options

  • Rollup (default): All data on Ethereum (most secure, most expensive)
  • AnyTrust: Data availability committee; only posts to Ethereum if DAC fails (cheaper)
  • Custom DA: Use third-party data availability (Celestia, Avail, EigenDA) — further cost reduction

ARB License and Revenue Sharing

Orbit chains pay fees to Arbitrum DAO:

  • L3 Orbit chains must pay a portion of revenue to Arbitrum DAO (rates set by governance)
  • L2 Orbit chains operate under different terms
  • This creates a sustainable revenue model for Arbitrum’s treasury vs. purely open-source with no business model

ARB token governance:

  • ARB token holders vote on Orbit chain terms
  • Revenue from Orbit chains goes to Arbitrum DAO treasury
  • Arbitrum Foundation manages grants and ecosystem development

Notable Orbit Chains

Chain Focus DA Gas Token
XAI Gaming (XAI Games) AnyTrust XAI
Treasure Chain Gaming ecosystem AnyTrust MAGIC
Degen Chain Farcaster community AnyTrust DEGEN
Sanko GameFi AnyTrust DMT
Proof of Play Apex Gaming startup Rollup ETH
Cometh Tech Blockchain gaming AnyTrust ETH

The gaming focus of many Orbit chains reflects AnyTrust’s cost advantage — games need cheap transactions and can tolerate the DAC trust assumption.

Arbitrum One’s DeFi Ecosystem

While Orbit enables new chains, Arbitrum One remains the most active DeFi L2 by TVL:

  • GMX: Perpetuals DEX; pioneered the peer-to-pool model
  • Radiant Capital: Cross-chain lending using LayerZero (suffered $51M exploit in 2024)
  • Camelot DEX: Arbitrum-native AMM
  • Treasure: Gaming NFT marketplace and token ecosystem
  • Pendle Finance: Large Arbitrum deployment for yield tokenization
  • Total Arbitrum One TVL: Consistently $1–3B (top 3 L2 by TVL)

How to Deploy an Orbit Chain

  1. Orbit deployment portal: orbit.arbitrum.io — UI for configuring chain parameters
  2. Configure: Chain ID, gas token, settlement chain (L2 or L3), DA mode
  3. Fund sequencer inbox and deploy core contracts
  4. Set up sequencer (self-hosted or use third-party RaaS provider: Caldera, Conduit, Gelato)
  5. Connect bridge UI and explorer

History

  • 2022 — Arbitrum Nitro launches; EVM-compatible fraud proofs via WASM enable the foundation for Orbit
  • 2023 — Arbitrum Orbit publicly announced and launched; XAI (gaming), Degen Chain, and others deploy
  • March 2023 — ARB token launches; Arbitrum DAO treasury becomes the governance body for Orbit chain terms
  • 2023–2024 — Gaming chains proliferate as primary Orbit use case; AnyTrust cost advantage drives gaming-specific deployment
  • 2024 — Orbit ecosystem grows; Treasure Chain, Sanko, and dozens of gaming/DeFi chains deploy; revenue sharing model matures

Common Misconceptions

  • “Orbit L3s are as secure as Ethereum.” — L3 chains settling to Arbitrum One inherit Arbitrum’s security, not Ethereum’s directly. The security chain is L3 → Arbitrum One (optimistic rollup) → Ethereum. This adds an additional trust assumption versus an L2 settling directly to Ethereum.
  • “Arbitrum Orbit and OP Stack are equivalent.” — Both enable custom rollup deployment, but Orbit uses the AnyTrust model for cost reduction (DAC trust assumption), while OP Stack chains default to full data on Ethereum. Base’s explosive growth under OP Stack has created more public visibility for that framework; Orbit has comparable adoption in the gaming chain space.

Social Media Sentiment

  • r/ethereum / r/arbitrum: Orbit is discussed alongside OP Stack as part of the broader Ethereum L2 ecosystem; gaming chain adoption is tracked positively.
  • X/Twitter: Gaming chain launches (XAI, Treasure, Degen) generate organic community excitement; Arbitrum Orbit is less prominently branded than OP Stack/Base in mainstream coverage.
  • Discord (Arbitrum): Orbit deployment and RaaS providers (Caldera, Conduit) are active discussion topics; the revenue sharing model’s terms are tracked by the DAO governance community.

Last updated: 2026-04

Related Terms

See Also

  • Arbitrum — the parent L2 network and DAO that governs Orbit chain terms
  • Appchain — the broader concept of application-specific blockchains that Orbit chains represent
  • Avalanche Subnets — a competing appchain framework with a different architecture and recent dramatic cost reduction

Sources