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OKLink

Overview

OKLink is a blockchain explorer and data service platform launched by OKX (formerly OKEx), a leading global cryptocurrency exchange. As a one-stop multi-chain block explorer, OKLink supports 30+ mainstream blockchains including Bitcoin, Ethereum, OKC, BSC, Polygon, Arbitrum, Optimism, and Avalanche, providing users with on-chain data querying, analytics, and monitoring services.

OKLink is more than a block explorer -- it is a comprehensive blockchain data platform integrating on-chain data analytics, address labels, rich lists, DeFi data, NFT markets, transaction tracking, and other rich features. The platform also provides professional data API services for developers and institutions, making it an important data infrastructure provider in the Web3 ecosystem.

Core Features

Multi-Chain Block Explorer

OKLink supports data queries across 30+ mainstream blockchains: - Bitcoin Ecosystem: Bitcoin, Bitcoin Cash, Bitcoin SV, Litecoin, Dogecoin - Ethereum Ecosystem: Ethereum, ETC, Layer 2 (Arbitrum, Optimism, Base, zkSync) - Smart Contract Platforms: BNB Chain, Polygon, Avalanche, Fantom, Tron - OKC Ecosystem: OKX's own public chain OKC (OKX Chain) - Other Public Chains: Solana, Cosmos, Polkadot, and more

Users can query transactions, blocks, addresses, and other information across different blockchains through a unified interface.

On-Chain Data Queries

Comprehensive on-chain data query capabilities: - Transaction Queries: View transaction details, status, Gas fees, input data, etc. - Block Queries: Block information, transaction lists, miner/validator info - Address Queries: Address balances, transaction history, held tokens and NFTs - Token Tracking: ERC20/BEP20 token transfer records, holder distributions - Smart Contracts: Contract code, ABI, verification status, interaction records

Address Label System

OKLink has an industry-leading address label database: - Exchange Addresses: Labels deposit and withdrawal addresses for major exchanges - Project Addresses: Contract and treasury addresses for DeFi protocols, DAOs, NFT projects - Notable Addresses: Known addresses like Vitalik, NFT whales, DeFi whales - Risk Labels: Marks scam addresses, hacker addresses, high-risk contracts

Address labels help users quickly identify counterparties, enhancing security and transparency.

DeFi and NFT Data

Integrated DeFi and NFT market data: - DeFi TVL: Protocol TVL rankings and trend changes - DEX Trading Data: Decentralized exchange trading volumes, liquidity pools - Lending Protocols: Interest rates, collateral ratios, liquidation data - NFT Market: NFT collection floor prices, trading volumes, holder analysis - On-Chain Metrics: Active addresses, transaction counts, Gas fee trends, and other macro data

Advanced Analytics Tools

  • Rich Lists: Token holding volume rankings by chain
  • Large Transaction Monitoring: Real-time monitoring of large transfers and transactions
  • Fund Flow Analysis: Track fund movements between different addresses
  • Gas Tracker: Real-time Gas prices and historical trends
  • Mining Pool Statistics: Mining pool hashrate distribution for PoW chains

API and Data Services

OKLink provides professional API services for developers and institutions: - On-Chain Data API: Transaction, block, and address data queries - Token Price API: Real-time and historical price data - Webhook Service: On-chain event notifications - Batch Queries: High-performance batch data query endpoints - Custom Services: Customized data solutions for enterprise clients

Platform Highlights

Data Completeness: As part of the OKX ecosystem, OKLink has strong technical capabilities and resource investment, ensuring data accuracy and completeness. Historical data indexing is complete, covering all blocks from genesis to present across all chains.

Multi-Chain Aggregation: Supports 30+ blockchains, making it one of the explorers with the broadest chain coverage. Unified data formats and query interfaces facilitate cross-chain data analysis.

Chinese Localization: Provides excellent Chinese interface and customer support, very user-friendly for Chinese users. This is a significant advantage compared to international platforms like Etherscan.

Real-Time Performance: High-performance data indexing system, with on-chain transactions typically indexed and displayed within seconds.

Rich Data Dimensions: Beyond basic blockchain data, it integrates DeFi, NFT, address labels, market data, and other multi-dimensional information, providing more comprehensive analytical perspectives.

Enterprise-Grade Reliability: Backed by OKX's infrastructure, providing high availability and stability suitable for institutional and enterprise applications.

Use Cases

Regular Users: Check transaction status, view wallet assets, monitor address activity.

Traders: Monitor large transfers, track whale movements, analyze DeFi protocols.

DApp Developers: Integrate APIs to obtain on-chain data and build application frontends.

Security Analysis: Track suspicious transactions, investigate hack attacks, identify scam addresses.

Research Institutions: Obtain on-chain data for academic research and market analysis.

Compliance and Auditing: Transaction tracking, fund flow analysis, compliance report generation.

Investment Decisions: On-chain data analysis to aid investment decisions, such as monitoring project team fund movements and DeFi protocol health.

Media and Content Creation: Obtain accurate on-chain data for news reporting and content creation.

History

2018: OKLink project launched, initially focused on Bitcoin explorer.

2019-2020: Expanded to Ethereum and other smart contract platforms, gradually building a multi-chain explorer ecosystem.

2021: Launched OKC (OKX Chain), with OKLink becoming its official explorer. Significantly expanded the number of supported blockchains.

2022: Enhanced DeFi and NFT data services, launched address label system and advanced analytics tools. Became one of the most commonly used block explorers for Chinese users.

2023: Continued optimizing user experience, expanded Layer 2 and emerging public chain support. Launched more data services for developers and institutions.

2024-Present: As an important component of the OKX Web3 ecosystem, OKLink continues to deepen its data service capabilities, supporting more blockchains and use cases.

  • Official Website: https://www.oklink.com
  • API Documentation: https://www.oklink.com/docs/en
  • Ethereum Explorer: https://www.oklink.com/eth
  • Bitcoin Explorer: https://www.oklink.com/btc
  • OKC Explorer: https://www.oklink.com/okc
  • Twitter: https://twitter.com/OKLink