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What is Ontology Gas?

Ontology Gas (ONG) is the utility token that powers transaction fees, smart contract deployment, and on-chain services across the Ontology public blockchain. Ontology operates a dual-token model where ONT serves as the staking and governance asset while ONG functions as the consumable 'gas' that fuels network activity, a design inspired by the NEO/GAS architecture that Ontology's founding team was familiar with.

The project was launched in 2017 by Onchain, a blockchain infrastructure company founded by Da Hongfei and Erik Zhang, the same co-founders behind NEO. Ontology's MainNet went live in June 2018, and ONG began distributing to ONT holders shortly after, unlocking gradually over an approximately 18-year emission curve. The total maximum supply of ONG is capped at 1,000,000,000 tokens, mirroring the fixed 1 billion ONT supply.

Ontology positions itself as a high-performance, low-cost Layer-1 focused on decentralized identity (DID) and trust infrastructure. Its flagship product, ONT ID, has been integrated with enterprise and consumer platforms, and the network supports the W3C-compliant decentralized identifier standard. Ontology has established partnerships with names such as Daimler Mobility (now Mercedes-Benz Mobility) for the Welcome Home vehicle data project, Bosch, and has collaborated with wallets and exchanges including Binance, and imToken.

The ecosystem also includes cross-chain integrations: Ontology deployed an EVM-compatible layer in 2021, allowing Solidity developers to deploy contracts and pay fees in ONG, significantly broadening its addressable developer base. More recently, Ontology has pivoted heavily toward decentralized identity and reputation, launching ONT Login, OScore (an on-chain credit score for DeFi), and contributing to the Decentralized Identity Foundation.

The project has not been without controversy — like many 2017-era Layer-1s, it experienced a sharp decline from its 2018 peak, and critics have pointed to relatively low on-chain activity compared to newer chains. Validator centralization has also been a recurring discussion point, as the consensus set is curated through a triple-consensus mechanism combining VBFT, PoS, and VRF.

Despite the competitive pressure from Ethereum L2s and newer identity-focused projects like Worldcoin and Civic, Ontology continues to ship upgrades: the Ontology EVM chain, bridges to Ethereum and BNB Chain, and integrations with Polkadot's ecosystem via Rococo testing. ONG's market behavior is tightly linked to ONT — because ONG unlocks are awarded to ONT stakers, changes in staking participation directly affect circulating ONG supply and sell pressure.

For traders, this makes ONG a somewhat unusual asset: it carries network utility value, reflects demand for Ontology block space, and simultaneously serves as a yield distribution mechanism for the governance token. Holders and developers interact with ONG through wallets such as ONTO Wallet, OWallet, and major third-party wallets that support the Ontology network, as well as through exchanges including Binance, KuCoin, Gate.io, and HTX, where ONG trades against USDT, BTC, and occasionally fiat pairs.

Key Features of Ontology Gas

• Native Gas For Transactions: ONG is the exclusive fee token for all native Ontology transactions, including transfers, asset issuance, and governance operations. This gives it direct, non-speculative demand tied to on-chain usage rather than pure market sentiment.
• Smart Contract Fuel: Developers deploying NeoVM, WASM, or EVM-compatible contracts on Ontology pay execution costs in ONG. As the EVM layer attracts Solidity projects, ONG captures value from a broader developer ecosystem beyond Ontology's original tooling.
• Passive Yield For ONT Stakers: Holding or staking ONT automatically generates ONG rewards through an unlock schedule embedded in the protocol. This creates a built-in yield mechanism without requiring lockups on most wallets, distinguishing it from traditional proof-of-stake rewards.
• Dual-Token Economic Design: Separating governance (ONT) from utility (ONG) insulates fee volatility from governance weight and vice versa. Network fee spikes don't dilute voting power, and governance changes don't destabilize transaction pricing for end users.
• Cross-Chain And EVM Compatibility: ONG is usable across Ontology's EVM chain and bridged environments, supporting interaction with Ethereum and BNB Chain assets. This extends its utility beyond the native chain and lets it serve as gas in hybrid DeFi and identity applications.

Ontology Gas Use Cases

• Paying Network Fees: Every transfer, contract call, or asset operation on Ontology requires ONG to pay validators. This makes it an operational necessity for any user or application interacting with the network.
• Funding DApp Operations: dApps built on Ontology — from DeFi protocols to identity verification services — budget ONG for contract executions and user-sponsored transactions. Projects often hold reserves of ONG to subsidize onboarding friction for new users.
• Staking Yield For ONT Holders: ONT holders earn ONG simply by holding their tokens in a compatible wallet or delegating to a node. This provides a predictable, protocol-level income stream that mirrors dividend-like behavior in traditional finance.
• Decentralized Identity Services: ONT ID and OScore services consume ONG when issuing, verifying, or revoking credentials on-chain. Enterprises using Ontology's DID stack for KYC, reputation, or credentialing pay in ONG, linking the token to real-world identity infrastructure.
• Cross-Chain DeFi Interactions: Through Ontology's EVM chain and bridges, ONG is used to pay gas for swaps, lending, and liquidity provisioning on compatible DeFi protocols. Users bridging assets between Ontology and other chains rely on ONG to finalize transactions on the Ontology side.

Ontology Gas Tokenomics

Total Supply

ONG has a hard-capped maximum supply of 1,000,000,000 tokens, set at genesis and unchangeable by protocol rules. This mirrors the 1 billion cap on ONT and is distributed through a long-term release schedule rather than minted on demand.

Circulating

Circulating supply grows gradually as ONG is unlocked to ONT holders over an approximately 18-year period that began in 2018.

Utility

ONG is used to pay transaction fees, deploy and execute smart contracts, and access native Ontology services including ONT ID and OScore. It also functions as the staking reward token distributed to ONT holders, linking network security incentives directly to utility demand.

Emission

ONG is released block by block to ONT holders according to a declining emission curve, with the largest unlocks front-loaded in the early years after MainNet launch in 2018. The schedule is designed to fully distribute all 1 billion ONG over roughly 18 years, tapering as the supply approaches the cap.

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