| Bitquery | Comprehensive Data Provider | Supports over 40 blockchains, offering products like GraphQL API, cryptocurrency forensics, DEX API, and more |
| The Graph | Indexing Protocol | Organizes data (subgraphs) to build and publish open APIs, facilitating queries on networks like Ethereum |
| Covalent | API Platform | Supports 70+ blockchains, providing a unified RESTful API for data retrieval, suitable for building wallets, NFT galleries, etc. |
| Quicknode | Web3 Application Platform | Offers multi-language RPC methods to access 20+ chains, emphasizes low latency, free plan has call limits |
| Blockchair | Blockchain Explorer and Search Engine | Integrates data from 19 blockchains, provides SQL-like query interfaces and features like anonymous portfolio tracking |
| Moralis | Development Platform | Provides API suites for building dApps (e.g., NFT API, EVM API), supports cross-chain |
| Etherscan | Ethereum Blockchain Explorer and API Platform | Offers on-chain data querying and analysis for Ethereum, with free and paid API plans |
| NOWNodes | Blockchain-as-a-Service Tool | Provides API access to 60+ blockchain networks, simplifying data retrieval from different blockchains |
| Tatum | Web3 Application Development Platform | Offers SDK and key management system supporting 60+ blockchain protocols, free plan has request limits |
| Blockdaemon | Node Management Platform | Supports 60+ blockchains, provides blockchain API, NFT API, RPC access, and node services |
| defillama | defi | Data analysis, extremely comprehensive |
| enzyme | web3 infrastructure | Contract deployment platform |
| okx toolkit | trading | OKX trading toolkit developed by Chinese developers |
| infura | web3 infrastructure | Powerful APIs, robust tools, and unparalleled reliability for seamless Web3 development |
| 0xscope | ai q&a | Can ask the system for information about projects or tokens |
| holly crypto resource site | resource site | Idle scripts, bot robots, etc. |
| airdrops | airdrop | Airdrop project resources |
| rankfi | airdrop | Airdrop project resources |
| earndrop | airdrop | Airdrop project resources |
| bankless | airdrop | Airdrop project resources |
| Dappradar | Airdrop | Airdrop project resources |
| CoinMarketCap | Airdrop | Airdrop project resources |
| @RankFi @CoinGeckoTV @DeDotFi @虚拟培根 @BoxMining | youtuber airdrop experts | |
| @Leshka_ETH @MingoAirdrop @0xFastLife @Airdrop_Adv | youtuber airdrop experts | |