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IOSToken—ticker IOST Coin—is a high‑throughput, ultra‑secure smart‑contract platform that targets the same market as <a href="/ja/price/ethereum-eth" target="_blank" class="blog_inner_link">Ethereum</a> and <a href="/ja/price/solana-sol" target="_blank" class="blog_inner_link">Solana</a> but uses a unique consensus algorithm called “Proof‑of‑Believability” (PoB). By blending speed, decentralization, and cost‑efficiency, the <a href="/ja/price/iost-iost" target="_blank" class="blog_inner_link">IOST</a> blockchain aims to power the next generation of DeFi, GameFi, and <a href="/ja/web3" target="_blank" class="blog_inner_link">Web3</a> services without sacrificing user experience.
##1. From White Paper to Mainnet: How IOST Began
Founded in 2018 by serial entrepreneurs Jimmy Zhong, Terrence Wang, and team, the project raised $31 million from funds like Sequoia, Matrix, and ZhenFund. The IOST mainnet—code‑named “Olympus”—went live March 2019, instantly processing up to 8 000 TPS while keeping fees near zero. That combination helped IOST onboard early dApps such as TokenPocket swap, Crypto Heroes NFTs, and a China‑focused DeFi suite.
##2. Proof‑of‑Believability: Why It Matters
Traditional Proof‑of‑Work is secure but slow; pure Proof‑of‑Stake is fast but risks “rich‑get‑richer” centralization. Proof‑of‑Believability solves the dilemma in two tiers:
- Believable nodes—elected by staking IOST coin—produce blocks in round‑robin style.  
- Randomized audits—a secondary committee re‑checks blocks, slashing misconduct.
The hybrid keeps transaction finality under 0.5 seconds, uses minimal energy, and still punishes bad actors—critical for IOST DeFi protocols handling real funds.

##3. Tokenomics Snapshot of IOST Coin
| Metric  |  Data (May 2025) |
| ------------ | ------------ |
|  Ticker |  IOST |
| Max supply  |  90 000 000 000 IOST |
| Circulating  | ~18 B (20 %)  |
| Inflation  | 2 % yearly (validator & community rewards)  |
|  Staking APY | 8 – 10 % via voting for Servi nodes  |

Holders stake IOST coin to nodes called “Servi Producers” and earn rewards plus governance voting rights. A portion of block rewards funds the IOST Foundation, which grants tokens to game studios, DeFi startups, and academic research—expanding utility and, by extension, <a href="/ja/price/iost-iost" target="_blank" class="blog_inner_link">IOST price</a> drivers.

##4. Eco Highlights of IOST Coin
- Jetstream‑Swap – AMM with daily volume peaking at $35 M; gas < $0.0001 IOST per swap.  
- Starlink NFTs – 3D avatars interoperable with Sandbox and Metaspace; minted exclusively in IOST.  
- Project Entropy – on‑chain roguelike game scheduled Q3 2025; early beta testers earn airdrop of 50 IOST coin each.

Total value locked in IOST DeFi crossed $280 million this April, a 210 % YoY growth that correlates strongly with on‑chain fee burns.

##5. Roadmap 2025–2026 of IOST
- WASM VM Integration: Allow Rust and C++ smart contracts, attracting Web2 devs.  
- Layer‑Zero Bridge: Trust‑minimized transfers of IOST assets to Arbitrum and <a href="/ja/price/polygon-matic" target="_blank" class="blog_inner_link">Polygon</a> zkEVM.  
- MEV‑Shield: In‑protocol protection against sandwich attacks, raising confidence for high‑value swaps.

Completion of these milestones could tighten IOST coin supply by increasing gas usage and staking demand.

##6. How to Buy and Stake IOST Coin on Gate.io
Gate.io lists <a href="/ja/trade/IOST_USDT?ch=ann7285" target="_blank" class="blog_inner_link">IOST/USDT</a> and IOST/BTC with deep liquidity and maker fees as low as 0.1 %. Steps:
1. Deposit USDT (TRC‑20 or ERC‑20) and open the IOST/USDT market.  
2. Place a limit order or use “Flash Trade” for instant ution.  
3. Transfer purchased tokens to Gate Earn’s flexible staking pool; rewards <a href="/ja/price/compound-comp" target="_blank" class="blog_inner_link">compound</a> daily in IOST cryptocurrency.  
4. For self‑custody, withdraw via the native IOST chain—fees are < 8 IOST (~$0.01).
Pro tip: Holding ≥100 000 IOST on Gate.io unlocks tier‑based Launchpad allocations and trading‑fee rebates.

##7. Risks to Monitor for IOST Investment
- Token unlocks – Foundation wallets release roughly 500 M IOST quarterly; track on‑chain flows.  
- Competition – Solana, <a href="/ja/price/aptos-apt" target="_blank" class="blog_inner_link">Aptos</a>, and Sei target the same low‑fee TPS segment; any tech setbacks could push devs away.  
- Regulation – Asia‑centric projects face shifting rules; tighter staking laws might affect APY and IOST coin price sentiment.

##Conclusion
With sub‑second finality, eco‑friendly Proof‑of‑Believability, and a surging DeFi + NFT lineup, IOSToken strives to be more than “just another high‑TPS chain.” The dual incentive of staking yields and dApp gas utility gives IOST coin measurable intrinsic value—especially when accessed through Gate.io’s liquid markets and Earn products.
For crypto users eager to explore a fast, low‑cost alternative to Ethereum while still benefiting from healthy staking rewards, IOST Coin deserves a closer look. Keep an eye on roadmap deliveries, track validator votes, and use Gate.io’s robust toolset to make your entry into the IOST eco both strategic and secure.


<div class="blog-details-info">
<div>Author: **Cinnie**, Gate.io Researcher
<div class="info-tips">\*This article represents only the views of the researcher and does not constitute any investment suggestions. Investment involves risks and users need to make careful decisions.
<div>\*Gate.io reserves all rights to this article. Reposting of the article will be permitted provided Gate.io is referenced. In all cases, legal action will be taken due to copyright infringement.
</div>

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What Is IOSToken (IOST)? Everything You Need to Know About IOST Coin