The OKTC network is a high-performance, decentralized blockchain platform designed to support scalable smart contracts and decentralized applications (dApps). Built with Ethereum Virtual Machine (EVM) compatibility, OKTC empowers developers and users with fast transaction speeds, low fees, and robust infrastructure. Whether you're a developer deploying smart contracts or a user interacting with dApps, understanding the core components of the OKTC ecosystem is essential.
This guide provides a detailed overview of the OKTC mainnet, development tools, APIs, explorers, swap functionality, oracle services, subgraphs, and more—optimized for clarity, usability, and search intent.
What Is the OKTC Mainnet?
The OKTC Mainnet is the live production environment of the OKTC blockchain, where real transactions occur and smart contracts are executed. It operates as a fully decentralized, EVM-compatible chain that ensures security, efficiency, and interoperability.
Key Network Parameters
- RPC URL:
https://exchainrpc.okex.org - WebSocket URL:
wss://exchainws.okex.org:8443 - Chain ID: 66
- Native Currency: OKT
- Block Explorer: OKTC Block Explorer
Developers can easily integrate the OKTC Mainnet into popular wallets like MetaMask by manually adding the network or using Chainlist, which simplifies network configuration with one click.
👉 Get started with OKTC development tools and connect your wallet today.
Accessing the OKTC API
For developers building on OKTC, the OKTC API provides essential endpoints for querying blockchain data, sending transactions, and interacting with smart contracts programmatically.
The official documentation covers:
- JSON-RPC methods
- Request/response formats
- Error handling
- Rate limits and best practices
Comprehensive details are available in the OKTC API Docs, which serve as a foundational resource for backend integrations, dApp middleware, and analytics platforms.
Integrating the API allows developers to fetch block data, monitor wallet balances, and broadcast signed transactions—enabling seamless interaction between frontend interfaces and the blockchain layer.
Exploring the OKTC Blockchain
Transparency and traceability are critical in any blockchain ecosystem. The OKTC Block Explorer offers real-time visibility into all on-chain activities.
You can use it to:
- View transaction histories
- Inspect smart contract code
- Track token transfers
- Monitor block confirmations
Access the explorer at: OKTC Mainnet Explorer
This tool is invaluable for both technical users debugging deployments and everyday users verifying transaction status.
Swapping Tokens on OKTC
Decentralized finance (DeFi) thrives on liquidity and accessibility. The OKTC Swap feature enables users to exchange tokens directly on the chain without intermediaries.
Key benefits include:
- Non-custodial trades
- Low slippage and gas fees
- Support for a growing list of ERC-20 compatible tokens
By leveraging automated market maker (AMM) models, OKTC Swap ensures efficient price discovery and seamless user experiences. It’s ideal for traders, yield farmers, and anyone looking to rebalance their digital asset portfolios securely.
👉 Start swapping tokens securely on the OKTC network.
Oracle Services for Smart Contracts
Smart contracts often require external data to function—such as price feeds, weather information, or event outcomes. The OKTC Oracle system bridges this gap by securely delivering off-chain data to on-chain applications.
Use cases include:
- DeFi lending platforms requiring real-time asset prices
- Prediction markets relying on verified outcome data
- Insurance dApps triggered by external events
The oracle infrastructure ensures data integrity through cryptographic verification and decentralized sourcing, minimizing manipulation risks.
Developers can integrate oracle feeds directly into their contracts to enable dynamic, data-driven logic execution.
Querying Data with OKTC Subgraph
Efficient data indexing is crucial for dApp performance. The OKTC Subgraph allows developers to create GraphQL APIs that index and serve blockchain data in a structured, queryable format.
Benefits of using subgraphs:
- Faster front-end loading times
- Real-time updates via subscriptions
- Custom filtering and aggregation
Whether tracking user interactions, NFT ownership, or liquidity pool changes, subgraphs simplify complex data retrieval tasks that would otherwise require extensive on-chain queries.
This tool is especially useful for dashboards, analytics platforms, and decentralized exchanges needing responsive data layers.
Developer Wallets and Tools
To build and interact with the OKTC network, developers need reliable tools. Below are key resources:
Supported Wallets
- OKX Wallet – A secure browser extension supporting OKT and EVM-compatible tokens.
- MetaMask – Widely used wallet with easy network-switching capabilities.
Development Environments
- Remix – Web-based IDE for writing, testing, and deploying smart contracts.
- Hardhat – Advanced Ethereum development environment with debugging support.
- Truffle – Popular framework for compiling, testing, and deploying contracts.
Additional tools and community-curated resources are available in the Smart Contract Developer Toolkit.
These tools collectively lower the barrier to entry for new developers while offering powerful features for experienced coders.
Debugging Smart Contracts with EVM Tracing
Even well-written smart contracts can encounter unexpected behavior. The EVM Trace functionality on OKTC allows developers to debug contract executions step-by-step.
Features include:
- Instruction-level tracing
- Gas usage analysis
- Call stack inspection
- State change tracking
A detailed tutorial titled Debugging Contracts Using EVM Tracing walks through practical examples using Hardhat and other frameworks.
This capability significantly reduces development time and improves contract reliability before mainnet deployment.
Gas Back Initiative for Developers
Deploying smart contracts incurs gas costs, which can be a barrier for new projects. To encourage innovation, OKTC launched the Gas Back Initiative, a developer dividend program that reimburses deployment fees under certain conditions.
Eligible developers may receive partial or full refunds in OKT tokens based on project quality, community impact, and long-term potential.
More information is available in the official announcement: OKTC Gas Back Developer Dividend Project
This initiative fosters a vibrant ecosystem by lowering financial entry barriers and rewarding meaningful contributions.
Frequently Asked Questions (FAQs)
How do I fork the OKTC network using Hardhat or Truffle?
You can simulate the live OKTC environment locally using Hardhat or Truffle fork capabilities. A step-by-step tutorial is available that demonstrates how to set up a local node using ganache-cli or Hardhat’s built-in fork mode.
Can I use InfStones to set up an RPC endpoint for OKTC?
Yes. InfStones provides managed node services that allow developers to generate dedicated RPC URLs for OKTC. This improves reliability and reduces latency compared to public endpoints.
Is OKTC EVM-compatible?
Yes. OKTC supports all EVM-based tools, languages (like Solidity), and wallet integrations, making it easy for Ethereum developers to migrate or deploy dApps.
What is the native token of OKTC?
The native cryptocurrency is OKT, used for paying gas fees, staking, governance, and participating in DeFi protocols on the network.
How do I add OKTC to MetaMask?
You can either manually input the network details (Chain ID: 66) or use Chainlist.org to auto-configure MetaMask with one click.
Are there developer grants or incentives on OKTC?
Yes. Beyond the Gas Back Initiative, OKTC supports various grant programs aimed at funding innovative dApps, infrastructure tools, and community-driven projects.
👉 Explore advanced development resources and deploy your first dApp on OKTC now.
Core Keywords
OKTC network, OKT blockchain, EVM-compatible chain, smart contract development, decentralized applications (dApps), blockchain explorer, DeFi on OKTC, gas back initiative