应用集成

适用于以太坊的轻量级、模块化、响应式 Java 和 Android 库。提供 JSON-RPC 客户端 API、钱包支持以及用于部署和交互的自动生成的 Solidity 合约包装器。包括 CLI、Maven/Gradle 插件和 ENS 支持。

web3.py 是将 Python 开发者连接到以太坊的开源库。同一个团队还维护着十多个额外的构建块，包括 py-evm、eth-account 和 eth-utils。

Ethers.js 是一个紧凑的 TypeScript 库，适用于在 Node 或浏览器中需要可预测的 JSON-RPC、ABI 编码和签名助手的脚本、钱包和服务。

Viem 是以太坊最常用的现代 TypeScript 接口。Viem 提供强大、高性能且类型安全的模块，作为在以太坊之上构建 Web 应用程序、TypeScript 库、钱包、后端、索引器、脚本等的基础。

rust-libp2p 是 libp2p 模块化点对点堆栈的参考 Rust 实现，被 OP Stack 上的 Magi、莱特豪斯、Forest 以及许多其他需要可组合传输、安全性、发布订阅和发现基元以进行去中心化网络的项目所使用。

The ethereumjs monorepo holds core JavaScript primitives for Ethereum, including transaction signing, an EVM implementation, RLP encoding, tries, and shared utilities. JavaScript builders import individual packages when they need protocol-level pieces rather than a full client library.

web3.swift from Argent is a Swift library covering Ethereum RPC calls, ABI encoding, and transaction signing. iOS and macOS builders use it to talk to Ethereum from native applications.

primitive-types provides the shared Rust U256, H160, and H256 types used across Ethereum and Substrate node and tooling codebases. Rust builders add it when their code has to carry Ethereum-sized integers and hashes.

一个用于构建默克尔树 (Merkle Tree) 并验证证明的 JavaScript 库。

safe-eth-py is the Python SDK from the Safe team for building, signing, and relaying Safe multisig transactions. Python builders use it to drive Safe accounts from backend code.

abitype provides strict TypeScript types and static inference for Ethereum ABIs, and it is the type layer under viem and wagmi. TypeScript builders import it when contract calls should be checked against the ABI at compile time.

Ethereumex is an Elixir JSON-RPC client for Ethereum and the transport layer that higher-level libraries such as Elixir Ethers build on. Elixir builders configure it by name even when they work through a higher-level library.

ruint is a const-generic unsigned integer type for Rust that represents Ethereum's 256-bit words, and it sits under Alloy and Reth. Rust builders add it directly when they need fixed-width big integers.

ox is a low-level TypeScript library of Ethereum primitives covering ABI, RLP, hex, signing, and transactions, and it sits under viem and other wevm tools. Builders import it directly when they want the primitives without the client layer.

multicall.py is a Python client that batches many contract calls into a single Multicall aggregate call. Python builders install it to turn hundreds of reads into one RPC request.

ethkit is a Go toolkit for building Ethereum applications from the team behind the Sequence JavaScript SDK. Go builders import it for wallet handling, ABI work, and RPC calls.

一个轻量级的布隆过滤器客户端，允许你测试以太坊布隆过滤器以快速检查集合成员资格。

go-ethereum ships Go packages for Ethereum development, including the ethclient RPC client, account and key handling, and abigen for type-safe contract bindings. Go builders import them to talk to nodes and call contracts from generated code.

Nethereum 是以太坊的 .Net 集成库，简化了对以太坊节点的访问和智能合约交互，这些节点包括像 Geth（或你首选的客户端）这样的公共节点、像 Optimism、Arbitrum（或你首选的 L2）这样的 L2 链、任何兼容的 EVM 链（Gnosis 等）以及像 Quorum 这样的许可链。

Revm 是以太坊生态系统中的一个关键组件，被构建者、工具、客户端和链所使用。

rust-web3 is a Rust implementation of the web3 JSON-RPC client with pluggable transports. It predates Alloy and carries no deprecation notice.

Safe Protocol Kit is the TypeScript SDK of safe-core-sdk for building, signing, and executing Safe multisignature transactions. Builders use it to drive Safe accounts from application or script code.

ENSjs is the TypeScript library from ENS for resolving names and reading or writing ENS records, built on viem. Builders use it to show ENS names in place of addresses and to manage names from their own app. It works on Ethereum mainnet and Sepolia.

essential-eth is a lightweight JavaScript client library that bundles to roughly a tenth of the size of ethers.js or web3.js. Builders install it when bundle size on the frontend is the constraint.

hs-web3 is a Haskell library for talking to Ethereum nodes, with contract ABI code generation through Template Haskell. It is the route to Ethereum for builders working in Haskell.

Delphereum is a web3 implementation for Delphi that lets Object Pascal desktop and mobile applications sign transactions and read contract state. It is the maintained route to Ethereum for builders working in that language.

web3dart is an Ethereum client library for Dart and Flutter covering JSON-RPC calls, contract bindings, and local transaction signing. Flutter builders use it as the general client for mobile applications.

w3 is a modular Go JSON-RPC client for Ethereum with first-class ABI support and request batching. Go builders import it when contract calls should be typed and many requests sent in one batch.

Elixir Ethers is a library for calling and decoding Ethereum smart contracts from Elixir. Builders use it when the backend is written in Elixir, where options are few.

Zabi 是一个 Zig 库，用于与以太坊和其他 EVM 链进行交互，提供 JSON-RPC 客户端、ABI 实用程序、签名者和钱包原语。

ethers-kt is an async Kotlin library for interacting with EVM chains, targeting the JVM and Android. Kotlin builders use it to read contracts and send transactions from server or mobile code.

headlong is a Java library for encoding and decoding contract ABI calldata and RLP, tuned for throughput in JVM services. Java builders add it when a backend has to process a high volume of Ethereum calls.

Vectorized 的 Multicaller 是一个经过 Gas 优化的多重调用风格合约集合，它批量处理任意外部调用，同时保留每个被调用者的原始 msg.sender 上下文，从而使 EVM 链上复杂的路由器或聚合器流程更便宜、更安全。

libethc 是一个用于 C/C++ 的开源以太坊库

Voltaire 是一个适用于 TypeScript、Zig、C 和 Swift 的现代通用以太坊库。具有类型安全的基元、WASM 加速的性能，专为人工智能辅助开发而设计。

Wagmi 是 Viem 之上的一个 React 钩子层，用于在前端读取、写入和缓存以太坊状态，而无需在每个项目中重建钱包管道。

Curvegrid MultiBaas 是一个带有 REST API 的托管控制平面，用于部署和运营多链 EVM 后端，适合当你需要托管密钥、索引钩子和仪表板，而又不想在内部构建所有运维工作时使用。

Impersonator.xyz 让开发者可以通过 WalletConnect、iframe 垫片或浏览器扩展连接到去中心化应用 (dapp)，同时伪装成任何地址而无需持有私钥，这非常适合需要预览余额、为 Tenderly 模拟捕获调用数据或安全地对钱包流程进行回归测试的 QA 团队。

ant-design-web3 is a React component library from the Ant Design team for wallet connection and account interfaces. Builders drop it into a React application as an alternative to RainbowKit or ConnectKit.

Nexth is a Next.js starter kit wired up with viem, wagmi, Sign-In with Ethereum, and Tailwind. Builders clone it to start from a working frontend rather than assembling the same pieces again.

Swiss-Knife 将所有有用的 EVM 工具汇总在一个地方，以简化开发者在调试或构建新内容时的体验。

Web3-Onboard is a framework-agnostic wallet-connection library supporting more than 35 wallets and the EIP-1193, 1102, 3085 and 3326 standards, started by Blocknative and now maintained by thirdweb. Builders install it when the frontend is not React or must cover many wallet providers.

RainbowKit is a customizable React wallet-connection interface built on wagmi. React builders add it when an application needs a ready-made connect flow instead of wiring wallet selection by hand.

ethr-did-resolver resolves decentralized identifiers anchored to Ethereum addresses. Applications that handle ethr identifiers install it to look up and manage those records.

mipd is a set of TypeScript utilities implementing EIP-6963 multi injected provider discovery for detecting installed browser wallets. Builders install it on its own when they need wallet discovery without pulling in wagmi.

thirdweb 是一个全栈、开源的 Web3 开发平台，提供前端、后端和链上工具，用于在每条 EVM 链上构建完整的 Web3 应用程序。

Alchemy 的 Modular Account 是一个最大程度模块化、可升级的智能合约账户，兼容 ERC-4337 和 ERC-6900。Alchemy 的 Modular Account 是市场上最高效的智能账户，其 v2 版本于 2025 年 2 月发布

EAS 是一个基础设施公共物品，用于在链上或链下对任何事物进行证明。证明是对结构化数据的数字签名，用于在在线和链上建立更多信任。

Coinbase Wallet SDK connects applications to Coinbase Wallet through the injected provider and the mobile WalletLink flow. Builders use it to support Coinbase Wallet users on web and mobile.

Reown AppKit, formerly Web3Modal and the WalletConnect SDK, is a wallet-connection SDK with a hosted relay, support for over 700 wallets, and embedded logins. Application builders use it to cover both external wallets and embedded sign-in from one integration.

ConnectKit provides React wallet-connection components built on wagmi. React builders drop it in when they want prebuilt connect buttons and modals for an application.

Web3Auth is an MPC and threshold key-management SDK that backs seedless wallets created from a social login. Builders use it when users should sign in with an existing account instead of a seed phrase.

Magic is an embedded non-custodial wallet SDK with email and social login and delegated key management. Builders integrate it to give users a wallet behind a familiar login flow.

Human Passport aggregates identity credentials, called Stamps, into one Unique Humanity Score per wallet, so projects can check that an address is a distinct person before an airdrop, grant round, vote or signup. Read scores from the REST API or drop in the Passport Embed React component.

Dynamic is an SDK covering wallet connection, embedded MPC wallets, and application authentication. Builders choose it when an application must serve both existing wallet users and new users who need one created.

The human.tech Wallet Protocol (WaaP) gives an app embedded wallets with no seed phrase, opened by email, phone or social login. Signing keys stay off the user's device, inside an attested enclave by default or split with the Ika network in the opt-in Squid Mode, and a policy engine checks every transaction before it is signed. One account signs on EVM chains, Sui and Solana, through the WaaP SDK for apps or the WaaP CLI for agents.

Privy provides embedded wallet and authentication SDKs with configurable custody and signing permissions. Builders use it to create wallets during sign-up and support email, social, or passkey login.

React Native Passkeys 在 iOS、Android 和 Web 目标上公开了一个 WebAuthn 形状的通行密钥 API，因此你可以在交付原生移动钱包或消费者应用程序时重用现有的身份验证后端。

MetaMask Connect is the SDK that connects web, mobile and game applications to the MetaMask wallet, replacing the deprecated MetaMask SDK with direct wallet communication and multichain support. Builders install the connect-evm package to reach MetaMask users from any frontend.

TypeScript 库，使用 ERC-8128（RFC 9421 HTTP 消息签名扩展）通过以太坊钱包签名和验证 HTTP 请求，实现基于钱包的身份验证和请求完整性。

Variance_dart 是一个 Dart SDK 堆栈，当你针对 EVM 链交付 Flutter 或移动客户端时，可用于通行密钥优先的钱包、EIP-1271 签名流程和 ENSIP-15 规范化。

具有加密钱包和隐私功能的无密码 Web3 身份验证 SDK。

js-ethereum-cryptography is an audited JavaScript package bundling the hashing and curve primitives that tooling such as ethers.js and web3.js builds on. Builders install it directly when they need keccak, secp256k1, or BIP-39 work without a full client library.

noble cryptography 是一系列依赖极少的 TypeScript 密码学库，优先考虑可读的源代码、签名的发布和透明的 npm 构建，它们是大多数现代 JavaScript 钱包（包括梅塔马斯克、Rabby、Rainbow）以及整个生态系统中许多 SDK 的基础。

Trezor Connect is a JavaScript SDK for integrating Trezor hardware wallet signing, including Ethereum, into applications and wallets. Builders use it when users should sign with a Trezor device.

blst is a multilingual BLS12-381 signature library and the BLS implementation behind most Ethereum consensus clients. Builders link against it in Rust, C, or Go when writing validator or consensus tooling.

The Ledger hw-app-eth package is the JavaScript API for signing Ethereum transactions and messages with a Ledger device, and it sits behind the Ledger connectors in wagmi and viem. Wallet and application builders import it to add hardware wallet signing.

eth-crypto is a set of JavaScript helpers for signing, verifying, recovering addresses, and ECIES encryption alongside ethers or web3. Builders import it for one-off cryptographic steps that the client libraries do not expose directly.

py_ecc is a Python library for elliptic curve pairing operations over bn128 and BLS12-381, used by py-evm and other Python tooling. Builders import it for precompile or BLS work in Python.

mcl from herumi is a portable pairing-based cryptography library used for BLS signature operations by several Ethereum consensus clients. Builders link against it for BLS work in C++ or Go.

noble secp256k1 is a standalone pure JavaScript library for secp256k1 signing and ECDH, used by many wallets and libraries. Builders install it on its own when they need signing without the wider noble curves package.

k256 from RustCrypto is a pure Rust secp256k1 implementation covering ECDSA signing, verification, public key recovery, Schnorr, and ECDH, and it sits under reth, Alloy, and most Rust tooling. Rust builders depend on it directly when they handle signatures themselves.

Web3Signer is a remote signing service that keeps keys in a vault or hardware security module. Node and validator operators run it so signing happens outside the client process.

The OKX js-wallet-sdk is a TypeScript signature SDK covering Bitcoin, Ethereum, Solana, Cosmos, and other chains. Builders install it to derive keys and sign transactions for several chains through one API.

c-kzg-4844 is the reference C implementation, with Rust bindings, of the KZG polynomial commitment scheme used for EIP-4844 and EIP-7594 blobs, and it is embedded in most execution and consensus clients. Rollup and blob tooling imports the bindings to produce KZG commitments and proofs.

eth-keys is a Python library for secp256k1 keys and signatures, and it sits under eth-account and web3.py. Python builders import it when they need key and signature operations directly.

Turnkey offers an API and SDK for secure key generation and transaction signing backed by trusted execution environments. Builders use it to create and operate wallet infrastructure without holding raw private keys in their own code.

micro-eth-signer is a minimal JavaScript library for building and signing Ethereum transactions, built on the audited noble cryptography libraries by the same author. Builders install it when a small signing dependency matters more than a full client library.

The Fireblocks SDK connects applications to Fireblocks' MPC wallet infrastructure for signing, transfers, and treasury operations. Builders use it to automate transactions and approval policies for wallets managed through Fireblocks.

coins-bip32 is a Rust library for BIP-32 hierarchical deterministic key derivation, used by ethers-rs and other Rust wallets and signers. Rust builders add it when an application derives keys from a seed.

eciesjs implements the Elliptic Curve Integrated Encryption Scheme for secp256k1 in JavaScript. Builders import it to encrypt and decrypt data against an Ethereum-style keypair.

keypo is a local-first command line tool for hardware-bound key management and encrypted secret storage, aimed at AI agents that hold credentials. It installs from a Homebrew tap on macOS.

Lit Protocol is a decentralized network for threshold key management with programmable signing through its programmable key pairs. Builders use its SDK when signing or decryption should follow rules enforced by a network rather than a single key holder.

Rundler 是 Alchemy 的模块化 Rust ERC-4337 捆绑器，旨在实现水平扩展部署；如今许多以太坊用户操作工作负载都在其上运行。

Coinbase Smart Wallet is a passkey-based smart account with the largest share of deployed wallets. Application builders integrate it so users sign with a passkey instead of managing a seed phrase.

Sequence, published as 0xsequence, is a smart-contract wallet SDK with embedded wallets, a relayer, an indexer, and gasless transactions. Builders use it when a game or application needs wallets and transaction plumbing from one stack.

permissionless.js from Pimlico is a vendor-neutral TypeScript library built on viem for ERC-4337 accounts. TypeScript builders use it to assemble and submit user operations while keeping the choice of bundler and paymaster open.

The Safe 4337 module adds native ERC-4337 support to Safe multisig accounts. Safe builders install it so an existing multisig can be driven by user operations through a bundler.

Alto is a TypeScript ERC-4337 bundler from Pimlico that also runs behind their hosted service. Infrastructure builders run it themselves when they need to operate a bundler instead of relying on a third party.

Voltaire 是一个 ERC-4337 捆绑器实现，当你需要为账户抽象钱包配置用户操作中继时可以运行它。

The eth-infinitism account-abstraction repository holds the reference ERC-4337 contracts, including SimpleAccount, plus a TypeScript SDK from the authors of the specification. Builders use it as the baseline implementation when creating ERC-4337 accounts.

Alchemy aa-sdk, shipped as Account Kit, is a full-stack smart wallet SDK with embedded wallets and a gas manager. Application builders use it to give users an account and sponsored transactions without a separate wallet app.

Skandha 是 Etherspot 的 TypeScript ERC-4337 捆绑器，它通过可选的 MEV 保护和共享内存池兼容性来优化用户操作提交、Gas 记账和内存池路由，并且 Etherspot 在生产环境中运行该共享内存池堆栈。

Openfort is an embedded wallet SDK with authentication, ERC-4337 smart accounts, and self-hostable key management. Builders use it to give users a wallet inside the application without a separate wallet install.

Gelato is a hosted network that provides a bundler, paymaster and relay for smart accounts together with Web3 Functions for scheduled and event-driven contract execution. Builders use it to run gasless transactions and contract automation without operating those services themselves.

Particle Network is a hosted wallet-abstraction stack that bundles a bundler, paymaster, and social login. Builders choose it when they want account creation, login, and transaction sponsorship from one service.

Base Account SDK is Coinbase's package for Base Account, a smart-contract wallet with passkey signing and gasless transactions. Web builders install it to add passkey sign-in and sponsored transactions, separate from the older Coinbase Wallet SDK.

The MetaMask Delegation Framework, known as Gator, is a set of contracts that let one account grant specific revocable permissions to another account or agent along the lines of ERC-7715 and ERC-7710. Teams building delegated or agent-controlled permissions import these contracts and write their own caveat enforcers against them.

Ithaca Account is the set of EIP-7702 smart account contracts behind Porto, an account standard for web authentication and payments. Teams picking an EIP-7702 implementation can read, fork, or deploy these contracts.

能够在 1 个 JSONRPC 请求中调用许多以太坊常量函数调用

Kernel from ZeroDev is a modular ERC-7579 smart-account contract with wide deployment. Wallet builders deploy it when an account needs pluggable validators and executors.

一套轻量级、开源、经过审计且 gas 优化的兼容 ERC-4337 的智能合约账户，具有指定的所有权

The ZeroDev SDK is a smart-account SDK for the Kernel account with modular validators and session keys. Account-abstraction builders use it to create Kernel accounts and delegate limited signing rights to sessions.

Nexus from Biconomy is a modular ERC-7579 smart-account contract aimed at high-volume applications. Wallet builders deploy it as the account implementation behind their smart wallets.

Arka is the open-source paymaster service from Etherspot for sponsoring transaction gas. Builders self-host it when gas sponsorship for ERC-4337 accounts should run on their own infrastructure.

executooor 以可重用的执行器合约模式为中心，以便脚本可以通过 Viem 或 ethers 链接委托调用、代币批准和原子链上步骤，而无需每次都重新部署定制的路由器。

AbstractionKit 是一个 TypeScript 辅助库，用于编排 ERC-4337 流程（用户操作、代付合约和捆绑器调用），而无需从头开始实现底层协议。

safe7579 from Rhinestone is an adapter that makes Safe accounts ERC-7579 compliant. Builders add it when they want portable ERC-7579 modules to run on a Safe, usually alongside the Safe 4337 module.

Rhinestone SDK, the successor Rhinestone names for its retired ModuleKit, adds smart wallets with passkeys, session keys and multichain transactions to an application. Builders use it when users should pay, swap or call contracts on one chain with funds from another.

The Biconomy SDK, published as AbstractJS for the Nexus account, builds ERC-4337 smart accounts with paymaster and bundler services. Builders use it when an application needs sponsored or gasless transactions.

Thyme Flow is a hosted service that runs TypeScript tasks on a cron, interval or webhook and sends the contract calls each task returns. Its SDK and CLI let you run and simulate a task locally before uploading it, and a Roles profile sends the calls from a Safe you own through a Zodiac Roles allowlist.

web3-ethereum-defi is a Python library for DeFi integration and data research, with wrappers for Uniswap, Aave, Chainlink, and USDC on top of web3.py. Python builders import it instead of writing those protocol wrappers themselves.

The Lido Ethereum SDK is the official package for staking and managing stETH and wstETH through the Lido protocol. Builders install it to add staking to an application without writing the Lido contract calls by hand.

x402 is an open payments protocol built on the HTTP 402 status code that lets an application or agent pay per request in stablecoins without accounts or API keys. Builders add its middleware to a service to charge per call, or to a client so it can pay.

Request Network is a protocol and JavaScript library for creating, paying, and tracking crypto invoices and payment requests onchain. Builders install the client library to add invoicing to their own application.

AaveKit is Aave's SDK, a TypeScript client and React hooks over the Aave GraphQL API. Builders use it to read markets and user positions and to build supply, borrow, repay and swap transactions without calling the contracts by hand. Aave v3 and v4 are served by separate SDK versions of the same packages (0.x for v3, 4.0 and later for v4).

Crossmint offers stablecoin APIs aimed at enterprises, including cross-chain flows. Builders use it to add stablecoin payments to an application without building the payment rails.

The Peer SDK (formerly ZKP2P) adds a fiat-to-crypto onramp to an app, where users pay through services like Venmo, Revolut or Wise and receive tokens onchain. It also manages seller deposits and liquidity. The protocol runs on Base.

Stripe Crypto Onramp is an embeddable fiat-to-crypto onramp SDK for web, iOS, Android, and React Native that delivers purchased crypto to a user's wallet. Builders embed it so users can fund a wallet with a card instead of transferring in.

The Machine Payments Protocol SDK, published as mppx by the wevm team behind viem and wagmi, is a TypeScript implementation of an agent payments specification. Builders install it to let a service or agent pay and charge programmatically.

0x provides hosted APIs for trading tokens from apps and wallets. Swap API aggregates prices from 150+ liquidity providers and returns an unsigned transaction to sign and submit, Gasless API relays gasless approvals and swaps, and Cross-Chain API returns routes across bridge providers with ready-to-sign transactions.

The Splits SDK is a viem-based TypeScript library for creating and managing 0xSplits contracts, which share incoming payments between several recipients. It also covers waterfalls, swappers and vesting, and a React wrapper ships as a separate package.

Agent Commerce Gateway is a self-hosted, non-custodial gateway that puts an existing HTTP API in front of AI agents, exposing its endpoints over HTTP or MCP and charging for them with x402 or experimental MPP payments. Paid calls settle in USDC on EVM networks such as Base through EIP-3009 transferWithAuthorization, straight to the merchant wallet, so builders can charge agents per request without adding payment code to their backend.

eth-prices is a Rust crate that estimates the price of an Ethereum asset by reading Uniswap V2 and V3 pools and ERC-4626 vaults through an RPC provider, with no exchange rate API involved. Rust builders add it when a price should be derived from onchain liquidity rather than read from an oracle feed.

Snapshot 最初是为 DAO 提供的无 Gas 链下治理，具有灵活的投票策略和验证插件，该团队后来推出了 Snapshot X，这是一个模块化的链上投票堆栈，通过巧妙的证明和跨链投票权记账，在保持执行信任最小化的同时，仍然最大限度地减少 Gas 消耗。

Aragon OSx 是链上 DAO 框架基础设施，用于启动模块化组织，这些组织使用经过审计的合约原语来治理金库和协议参数。

Agora is an onchain governance application used by protocols including Optimism, ENS, and Uniswap to run delegate voting. It is a Next.js application a DAO deploys rather than a library a builder imports.

DAOhaus 提供用于启动和运营 DAO 的开源工具，具有模块化合约、应用和社区治理工作流。