應用程式整合

適用於以太坊的輕量級、模組化、響應式 Java 和 Android 函式庫。提供 JSON-RPC 客戶端 API、錢包支援以及用於部署和互動的自動生成 Solidity 合約包裝器。包含 CLI、Maven/Gradle 插件和 ENS 支援。

web3.py 是將 Python 開發者連接到以太坊的開源函式庫。同一個團隊還維護著十多個額外的構建塊，包括 py-evm、eth-account 和 eth-utils。

Ethers.js 是一個精簡的 TypeScript 函式庫，適用於在 Node 或瀏覽器中需要可預測的 JSON-RPC、ABI 編碼和簽署輔助工具的腳本、錢包和服務。

Viem 是最常被使用的現代以太坊 TypeScript 介面。Viem 提供穩健、高效能且類型安全的模組，作為在以太坊之上建構 Web 應用程式、TypeScript 函式庫、錢包、後端、索引器、腳本等的基礎。

rust-libp2p 是 libp2p 模組化點對點堆疊的參考 Rust 實作，被 OP Stack 上的 Magi、萊特豪斯 (Lighthouse)、Forest 以及許多其他需要可組合傳輸、安全性、發布訂閱 (pubsub) 和節點發現原語以進行去中心化網路連線的專案所使用。

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.

一個用於建構默克爾樹 (Merkle Tree) 並驗證證明的 JavaScript 函式庫。

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.

一個輕量級的布隆過濾器 (bloom filter) 客戶端，允許您測試以太坊布隆過濾器以快速檢查集合成員資格。

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 整合函式庫，簡化了對以太坊節點的存取和智能合約互動，這些節點包括像 Geth（或您偏好的客戶端）這樣的公共節點、像 Optimism、Arbitrum（或您偏好的 L2）這樣的 L2 鏈、任何相容的 EVM 鏈（Gnosis 等）以及像 Quorum 這樣的許可鏈。

Revm 是以太坊生態系統中的關鍵元件，被建構者、工具、客戶端和鏈所使用。

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.

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.

Zabi 是一個 Zig 函式庫，用於與以太坊和其他 EVM 鏈互動，提供 JSON-RPC 客戶端、ABI 公用程式、簽署者和錢包原語。

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.

Vectorized 的 Multicaller 是一個經過燃料最佳化的 multicall 風格合約集合，可批次處理任意外部呼叫，同時為每個被呼叫者保留原始的 msg.sender 上下文，從而使 EVM 鏈上複雜的路由器或聚合器流程變得更便宜、更安全。

libethc 是一個用於 C/C++ 的開源以太坊函式庫

Voltaire 是一個適用於 TypeScript、Zig、C 和 Swift 的現代通用以太坊函式庫。具有類型安全的原語、WASM 加速的性能，並專為 AI 輔助開發而設計。

Wagmi 是建構在 Viem 之上的 React hook 層，用於在前端讀取、寫入和快取以太坊狀態，而無需在每個專案中重新建構錢包管道。

Curvegrid MultiBaas 是一個帶有 REST API 的託管控制平面，用於部署和營運多鏈 EVM 後端，當您需要託管金鑰、索引掛鉤和儀表板，而不想在內部建置所有維運工作時，它會是您的理想選擇。

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.

Impersonator.xyz 讓開發人員可以透過 WalletConnect、iframe 墊片或瀏覽器擴充功能連接到去中心化應用程式 (dapp)，同時偽裝成任何地址而無需持有私鑰，這非常適合需要預覽餘額、擷取呼叫資料以進行 Tenderly 模擬或安全地對錢包流程進行迴歸測試的 QA 團隊。

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 將所有實用的 EVM 工具彙整在一個地方，以簡化開發人員在除錯或建構新事物時的體驗。

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 是一個全端、開源的 Web3 開發平台，提供前端、後端和鏈上工具，用於在每個 EVM 鏈上建構完整的 Web3 應用程式。

Alchemy 的 Modular Account 是一個最大化模組化、可升級的智能合約帳戶，相容於 ERC-4337 和 ERC-6900。隨著 2025 年 2 月發布的 v2 版本，Alchemy 的 Modular Account 成為市場上最高效的智能帳戶。

EAS 是一個基礎設施公共財，用於在鏈上或鏈下對任何事物進行證明。證明是對結構化資料片段的數位簽章，用於在線上和鏈上建立更多信任。

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 目標平台上公開了一個 WebAuthn 形式的通行密鑰 API，因此您可以在發布原生行動錢包或消費者應用程式時重複使用現有的身分驗證後端。

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 函式庫，使用 ERC-8128（RFC 9421 HTTP 訊息簽章擴充功能）透過以太坊錢包簽署和驗證 HTTP 請求，實現基於錢包的身分驗證和請求完整性。

Variance_dart 是一個 Dart SDK 堆疊，適用於以通行密鑰為優先的錢包、EIP-1271 簽署流程和 ENSIP-15 正規化，當您針對 EVM 鏈發布 Flutter 或行動客戶端時可使用。

具有加密錢包和隱私功能的無密碼 Web3 身份驗證 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 是一系列依賴性極低的 TypeScript 密碼學函式庫，優先考慮可讀的原始碼、已簽署的發布版本和透明的 npm 建置，它們是大多數現代 JavaScript 錢包（包括梅塔馬斯克 (MetaMask)、Rabby、Rainbow）以及整個生態系統中許多 SDK 的基礎。

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.

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.

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.

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 的模組化 Rust ERC-4337 捆綁器，旨在實現水平擴展部署；如今許多以太坊用戶操作工作負載都在其上執行。

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 是一個 ERC-4337 捆綁器實作，當您需要為帳戶抽象化錢包提供可設定的用戶操作中繼時，可以執行它。

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 捆綁器，它最佳化了用戶操作提交、燃料記帳和記憶體池路由，並具有可選的 MEV 保護和共享記憶體池相容性，而 Etherspot 在生產環境中執行該共享記憶體池堆疊。

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.

能夠在 1 個 JSONRPC 請求中呼叫許多以太坊常數函式呼叫

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.

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.

一組輕量級、開源、經過稽核且 gas 最佳化的 ERC-4337 相容智能合約帳戶，具有指定的所有權

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 以可重複使用的執行器合約模式為中心，因此腳本可以透過 viem 或 ethers 串聯委託呼叫、代幣批准和原子鏈上步驟，而無需每次都重新部署客製化的路由器。

AbstractionKit 是一個 TypeScript 輔助函式庫，用於串接 ERC-4337 流程（用戶操作、代付合約和捆綁器呼叫），而無需從頭開始實作底層協定。

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.

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.

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.

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 最初是為 DAO 提供免燃料的鏈下治理，具備彈性的投票策略和驗證外掛程式，該團隊後來推出了 Snapshot X，這是一個模組化的鏈上投票堆疊，透過巧妙的證明和跨鏈投票權記帳，在保持執行信任最小化的同時，仍能將燃料消耗降至最低。

Aragon OSx 是鏈上 DAO 框架基礎設施，用於啟動模組化組織，透過經過稽核的合約原語來治理資金庫和協定參數。

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 提供開源工具，用於透過模組化合約、應用程式和社群治理工作流程來啟動和營運 DAO。