ONE Price Today | Harmony Live Chart & Analytics

What is Harmony?

Harmony (ONE) is a Layer 1 proof-of-stake blockchain engineered for high throughput, low fees, and cross-chain interoperability, positioning itself as an execution layer for decentralized finance, gaming, and NFT applications. The project was founded in 2018 by Stephen Tse, a former research scientist at Microsoft and principal engineer at Apple, alongside a team of engineers drawn from Google, Amazon, and Harvard. Harmony's mainnet launched on June 28, 2019, following a Binance Launchpad IEO in May 2019 that raised roughly $5 million for the ONE token. The network's defining technical contribution is its four-shard architecture, which splits state and transactions across parallel chains to process blocks in under two seconds with transaction fees often below a fraction of a cent. Harmony employs Effective Proof-of-Stake (EPoS), a consensus variant designed to prevent validator centralization by penalizing stake concentration and rewarding broader participation across its validator set. The chain is EVM-compatible, allowing Ethereum developers to port Solidity contracts directly, and it has historically served as a low-cost home for DeFi protocols like DeFi Kingdoms, Tranquil Finance, and Sushi. Harmony's ecosystem suffered a major setback in June 2022 when the Horizon bridge connecting Harmony to Ethereum and Binance Smart Chain was exploited for approximately $100 million in user funds, an attack later attributed by the FBI to North Korea's Lazarus Group. The incident triggered a contentious community debate over a proposed token-minting recovery plan, which validators ultimately rejected, and it significantly dented ecosystem TVL and developer confidence. In the aftermath, the team refocused on security audits, a revamped bridge architecture using LayerZero, and a roadmap centered on zkEVM research and data availability improvements. Harmony continues to operate as a fully functioning network with an active validator set, ongoing grants program, and developer tooling including Hardhat plugins, SDKs, and a block explorer. The ONE token is used for transaction gas, staking delegation, and on-chain governance, and it trades on major venues including Binance, Coinbase, Kraken, KuCoin, and Gate.io. While Harmony no longer ranks among the top-tier L1s by total value locked, it retains a niche community focused on gaming, micro-transactions, and experimental cross-chain primitives. Price action since 2022 has been heavily influenced by broader market conditions, the lingering reputational damage from the bridge exploit, and competition from newer high-performance chains such as Sui, Aptos, and Sei. For traders evaluating Harmony, the key variables remain bridge security posture, validator decentralization metrics, active developer count, and whether the team's zk-rollup pivot can reignite meaningful on-chain activity. Live market capitalization, 24-hour volume, and circulating supply data for ONE can be verified on CoinGecko or CoinMarketCap, and staking statistics are publicly viewable through the official Harmony staking dashboard. As with any proof-of-stake Layer 1 asset, ONE's long-term value is tied to sustained transaction demand, validator economics, and the team's ability to differentiate in an increasingly crowded L1 landscape dominated by Ethereum rollups and modular architectures.

Key Features of Harmony

• Four-Shard State Architecture: Harmony partitions its network into four production shards that process transactions and state in parallel, dramatically increasing throughput compared to single-chain L1s. This design allows the network to scale horizontally by adding more shards rather than demanding heavier hardware from validators.
• Effective Proof-of-Stake: EPoS is Harmony's consensus mechanism that mathematically penalizes validators who accumulate excessive stake, redistributing rewards to encourage a wider validator set. Block times sit around two seconds with one-block finality, giving users near-instant settlement for payments and dApp interactions.
• EVM Compatibility: Harmony supports the full Ethereum Virtual Machine, meaning Solidity contracts, MetaMask, Hardhat, Foundry, and Remix all work without modification. Developers can deploy existing Ethereum codebases to Harmony in minutes while benefiting from sub-cent gas fees.
• Ultra-Low Transaction Fees: Typical transactions on Harmony cost a small fraction of a cent, making the chain practical for micro-payments, on-chain gaming actions, and high-frequency DeFi interactions. This fee profile has made it a testbed for consumer-facing Web3 applications where Ethereum L1 economics are prohibitive.
• Cross-Chain Bridging: Harmony integrates with LayerZero and other messaging protocols to move assets and data between Ethereum, BNB Chain, and other major networks. The bridge stack was redesigned following the 2022 Horizon exploit, with stronger validator sets and audit coverage for new deployments.

Harmony Use Cases

• On-Chain Gaming: Harmony's two-second finality and negligible fees make it well-suited for blockchain games that require frequent state updates, such as DeFi Kingdoms, which was historically one of the chain's flagship applications. Studios can settle in-game actions, item trades, and reward claims on-chain without pricing out casual players.
• DeFi Protocols: Lending markets, DEXes, and yield aggregators deploy on Harmony to offer users cheaper swaps and liquidations than Ethereum mainnet. EVM compatibility lets teams fork proven Ethereum protocols and tune them for higher-frequency strategies.
• NFT Minting and Trading: Artists and collectors use Harmony to mint NFT collections at a fraction of the cost of Ethereum, enabling larger edition sizes and more affordable secondary trading. Marketplaces native to the chain support both ERC-721 and ERC-1155 standards.
• Micro-Payments and Remittances: The sub-cent fee structure allows Harmony to handle payments too small to be economical on most L1s, including content tipping, pay-per-use APIs, and cross-border remittances. Stablecoin transfers can settle in seconds for essentially zero cost.
• Cross-Chain DeFi Strategies: Traders use Harmony's bridges to move collateral between Ethereum, BNB Chain, and Harmony to arbitrage yield differentials or access chain-specific incentives. Automated vault strategies can route capital across networks depending on where APYs are highest.

Harmony Tokenomics

Total Supply

ONE launched with a genesis supply of 12.6 billion tokens and operates under an inflationary issuance schedule capped at 441 million new tokens per year, minus transaction fees burned. Maximum supply is therefore uncapped in the traditional sense but grows at a predictable rate.

Circulating

Circulating supply sits in the range of 13–14 billion ONE as the network continues issuing block rewards to validators and delegators. Dynamic — see CoinGecko for live figures.

Utility

ONE is used to pay gas fees, stake with validators under the EPoS model, and vote on on-chain governance proposals. Holders can delegate to validators to earn a share of block rewards without running node infrastructure themselves.

Emission

Harmony mints up to 441 million ONE annually, distributed to validators and delegators as staking rewards. Transaction fees paid in ONE are burned, creating a partial offset to new issuance, so effective inflation depends on network usage.

How to Buy Harmony

1. 1

   1. Create a Binance account

   Go to binance.com or open the Binance app and register with your email or phone number, then set a strong password and enable two-factor authentication using Google Authenticator. Binance is one of the largest exchanges offering ONE spot trading and was also the original Launchpad venue for Harmony in 2019.

2. 2

   2. Complete identity verification

   Navigate to the Identification page under your profile and submit a government-issued ID along with a selfie to pass Binance's KYC checks. Verification typically clears within minutes to a few hours and unlocks fiat deposits, higher withdrawal limits, and access to the full spot market.

3. 3

   3. Deposit funds

   From the Wallet menu select Deposit and choose either fiat currency via bank transfer or card, or deposit an existing stablecoin like USDT on a low-fee network such as BNB Smart Chain or TRON. Confirm the deposit network carefully to avoid losing funds, then wait for the required confirmations to credit your spot wallet.

4. 4

   4. Buy ONE on the spot market

   In the Trade menu select Spot, search for the ONE/USDT or ONE/BTC pair, and choose between a market order for instant execution or a limit order to set your own price. Binance's minimum trade size for ONE pairs is typically around $5 worth, and fees start at 0.1 percent before any BNB fee discount.

5. 5

   5. Withdraw to a self-custody wallet

   For long-term holding or staking, withdraw ONE to a non-custodial wallet like MetaMask configured with Harmony's RPC or the official Harmony Wallet. Under Withdraw, paste your Harmony address, select the Harmony network, and double-check the address format before confirming to ensure tokens arrive on the correct chain.

Frequently Asked Questions