Immutable (Immutable X) (IMX) is the native gas and staking token of Immutable, an Ethereum Layer 2 blockchain built for NFTs and Web3 gaming using Polygon AggLayer/CDK technology. IMX originally launched as an ERC-20 token on Ethereum mainnet, deployed 2021-10-14, underpinning the original StarkEx-based Immutable X chain.
As of July 15, 2026, Immutable merged its two chains — Immutable X and Immutable zkEVM — into one unified "Immutable Chain," so IMX now powers a single network rather than two parallel Layer 2s. Price stood at approximately $0.1254-$0.1259 as of 2026-08-31.
Immutable is a Layer 2 blockchain built specifically for NFTs and Web3 gaming, and IMX captures this focus through its fee mechanics.
A required 20% of protocol fees must be paid in IMX and are distributed to stakers roughly every 14 days, tying token demand to platform gaming and trading activity. The Immutable zkEVM chain held approximately $10.9 million in total value locked. The 2026 chain merger and Polygon AggLayer integration aim to unify liquidity across gaming-focused Web3 infrastructure.
IMX functions as both a utility and governance token on the Immutable Chain.
IMX has a maximum supply of 2,000,000,000 tokens.
Because supply is capped at 2 billion tokens rather than continuously issued, net token emission is non-inflationary, consistent with a low token-supply-inflation reading recorded as of 2026-08-31.
IMX launched through a public token sale on CoinList on September 27, 2021, raising over $12.5 million within about an hour. Of roughly 720,000 registered accounts, only about 25,000 (3.6%) were able to purchase due to demand.
The IMX token began trading November 5, 2021, as an ERC-20 deployed on-chain on October 14, 2021 — several years after Immutable's founding in June 2018. The company separately raised equity funding, including a $200 million Series C in 2021 at a reported $2.5 billion valuation.
IMX exists as an ERC-20 token on Ethereum mainnet and serves as the native gas and staking token of Immutable Chain, an Ethereum Layer 2 built using Polygon AggLayer/CDK technology.
As of July 15, 2026, Immutable merged its two prior chains — the StarkEx-based Immutable X Layer 2 and the newer Immutable zkEVM — into this single unified Immutable Chain. As a zkEVM-based network, it settles transaction validity back to Ethereum rather than operating a fully independent validator set, inheriting Ethereum's underlying security base layer.
Immutable was founded in June 2018 (initially as "Fuel Games," rebranded in August 2018) by brothers James Ferguson and Robbie Ferguson, along with Alex Connolly.
James Ferguson, Co-founder and CEO, holds a finance and law degree from the University of Sydney and previously led a developer team at a Silicon Valley e-commerce company. Robbie Ferguson, Co-founder and President, built KPMG's automated tax reconciliation platform before Immutable. The brothers had previously built other startups, including a League of Legends self-wagering app.
Immutable Pty Ltd, an Australian company headquartered in Sydney, Australia, develops and maintains the Immutable platform and the IMX token.
The entity is also referenced as Immutable ZK Pty Ltd, carrying Legal Entity Identifier 254900OTNZ48K6N4IG38.
IMX holders participate in ecosystem governance, including voting on proposals such as community grant payouts through a Snapshot-based voting system.
Governance participation is tied to Immutable's staking program: to earn staking rewards, holders must have voted in a governance proposal within the prior 30 days, in addition to holding an Immutable NFT or having completed a trade in that period. Rewards are funded from protocol fees, 20% of which are required to be paid in IMX and distributed to stakers roughly every 14 days.
On July 15, 2026, Immutable merged its StarkEx-based Immutable X Layer 2 and Immutable zkEVM into a single unified "Immutable Chain." This consolidated staking, fees, and trading activity onto one network.
Concurrently, Immutable launched a "Polygon Hub" on its IMX Play platform, integrating five Polygon-ecosystem game titles with new quests and rewards, and confirmed adoption of Polygon's AggLayer to unify liquidity across chains.
CertiK audited the IMXToken.sol smart contract, requested 2021-11-23 and revised 2022-01-06, finding one major issue and four other findings via manual review and static analysis.