Integracja aplikacji

Lekka, modułowa, reaktywna biblioteka Java i Android dla Ethereum. API klienta JSON-RPC, obsługa portfeli i automatycznie generowane wrappery kontraktów Solidity do wdrażania i interakcji. Zawiera CLI, wtyczki Maven/Gradle i obsługę ENS.

web3.py to biblioteka open-source, która łączy programistów Pythona z Ethereum. Ten sam zespół utrzymuje kilkanaście dodatkowych bloków konstrukcyjnych, w tym py-evm, eth-account i eth-utils.

Ethers.js to kompaktowa biblioteka TypeScript dla skryptów, portfeli i usług, które potrzebują przewidywalnego JSON-RPC, kodowania ABI i pomocników podpisywania w Node lub przeglądarce.

Viem to najczęściej używany nowoczesny interfejs TypeScript dla Ethereum. Viem zapewnia solidne, wydajne i bezpieczne pod względem typów moduły, które stanowią fundament do budowania aplikacji internetowych, bibliotek TypeScript, portfeli, backendów, indeksatorów, skryptów i wielu innych na bazie Ethereum.

Nethereum to biblioteka integracyjna .Net dla Ethereum, upraszczająca dostęp i interakcję inteligentnych kontraktów z węzłami Ethereum, zarówno publicznymi jak Geth (lub preferowany klient), łańcuchami L2 jak Optimism, Arbitrum (lub preferowane L2), dowolnym kompatybilnym łańcuchem EVM (Gnosis itp.) oraz łańcuchami prywatnymi (permissioned) jak Quorum.

rust-libp2p to referencyjna implementacja modułowego stosu peer-to-peer libp2p w języku Rust, używana przez Magi na OP Stack, Lighthouse, Forest i wiele innych projektów, które potrzebują komponowalnych transportów, bezpieczeństwa, pubsub i prymitywów odkrywania dla zdecentralizowanych sieci.

Revm to krytyczny komponent w ekosystemie Ethereum używany przez twórców, narzędzia, klientów i łańcuchy.

Biblioteka JavaScript do konstruowania drzew Merkle'a i weryfikacji dowodów.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Voltaire to nowoczesna biblioteka Ethereum ogólnego przeznaczenia dla języków TypeScript, Zig, C i Swift. Oferuje bezpieczne pod względem typów prymitywy, wydajność akcelerowaną przez WASM i jest zaprojektowana z myślą o programowaniu wspomaganym przez sztuczną inteligencję.

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.

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.

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.

Zabi to biblioteka w języku Zig do interakcji z Ethereum i innymi łańcuchami EVM, dostarczająca klienty JSON-RPC, narzędzia ABI, moduły podpisujące i prymitywy portfela.

Multicaller od Vectorized to zbiór zoptymalizowanych pod kątem gazu kontraktów w stylu multicall, które grupują dowolne wywołania zewnętrzne, zachowując oryginalny kontekst msg.sender dla każdego wywoływanego, co sprawia, że złożone przepływy routerów lub agregatorów są tańsze i bezpieczniejsze na łańcuchach EVM.

libethc to otwartoźródłowa biblioteka Ethereum dla C/C++

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.

Lekki klient filtrów Blooma (bloom filter), który pozwala na testowanie filtrów Blooma w Ethereum w celu szybkiego sprawdzania przynależności do zbioru.

Zautomatyzuj swoje inteligentne kontrakty za pomocą Automate SDK

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.

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.

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.

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.

Curvegrid MultiBaas to hostowana płaszczyzna sterowania z API REST do wdrażania i obsługi wielołańcuchowych backendów EVM, gdy potrzebujesz zarządzanych kluczy, hooków indeksowania i pulpitów nawigacyjnych bez budowania wszystkich operacji we własnym zakresie.

Wagmi to warstwa hooków React nałożona na Viem do odczytu, zapisu i buforowania stanu Ethereum we frontendach bez konieczności przebudowywania infrastruktury portfela w każdym projekcie.

Impersonator.xyz pozwala deweloperom łączyć się ze zdecentralizowanymi aplikacjami (dapps) przez WalletConnect, nakładkę iframe lub rozszerzenie przeglądarki, podszywając się pod dowolny adres bez posiadania kluczy prywatnych, co jest idealne dla zespołów QA, które muszą bezpiecznie podglądać salda, przechwytywać dane wywołania do symulacji w Tenderly lub przeprowadzać testy regresyjne przepływów portfela.

Swiss-Knife gromadzi wszystkie przydatne narzędzia EVM w jednym miejscu, aby ułatwić pracę deweloperom podczas debugowania lub budowania nowych rzeczy.

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.

OnchainKit is a set of React components from Coinbase for wallets, transactions, identity, and other onchain interfaces. React builders use it to assemble an onchain frontend from prebuilt pieces.

One Click Dapp generates a hosted web interface for a deployed contract from its ABI and address. Builders use it to give a contract a usable interface without writing frontend code.

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.

thirdweb to otwartoźródłowa platforma programistyczna Web3 typu full stack z narzędziami frontendowymi, backendowymi i onchain do budowania kompletnych aplikacji Web3 - na każdym łańcuchu EVM.

Modular Account od Alchemy to maksymalnie modułowe, aktualizowalne konto inteligentnego kontraktu, które jest kompatybilne z ERC-4337 i ERC-6900. Modular Account od Alchemy to najbardziej wydajne inteligentne konto na rynku, z wersją v2 wydaną w lutym 2025 r.

EAS to infrastrukturalne dobro publiczne do tworzenia poświadczeń onchain lub pozałańcuchowych na dowolny temat. Poświadczenia to podpisy cyfrowe na ustrukturyzowanych fragmentach danych, używane do budowania większego zaufania w internecie i onchain.

Biblioteka TypeScript do podpisywania i weryfikacji żądań HTTP za pomocą portfeli Ethereum przy użyciu ERC-8128 (rozszerzenie RFC 9421 HTTP Message Signatures), umożliwiająca uwierzytelnianie oparte na portfelu i integralność żądań.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

React Native Passkeys udostępnia jedno API kluczy dostępu w kształcie WebAuthn dla platform iOS, Android i Web, dzięki czemu możesz ponownie wykorzystać istniejące backendy uwierzytelniania podczas dostarczania natywnych portfeli mobilnych lub aplikacji konsumenckich.

Variance_dart to stos SDK Dart dla portfeli stawiających na klucze dostępu (passkey-first), przepływów podpisywania EIP-1271 i normalizacji ENSIP-15, gdy dostarczasz klientów Flutter lub mobilnych dla łańcuchów EVM.

Bezhasłowe SDK do uwierzytelniania Web3 z szyfrowanymi portfelami i funkcjami prywatności.

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.

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.

noble cryptography to rodzina bibliotek kryptograficznych TypeScript o minimalnych zależnościach, które priorytetyzują czytelny kod źródłowy, podpisane wydania i przejrzyste kompilacje npm, i stanowią podstawę większości nowoczesnych portfeli JavaScript, w tym MetaMask, Rabby, Rainbow oraz wielu SDK w całym ekosystemie.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Dzięki tej konfiguracji ekosystemy mogą wdrażać dostosowaną do potrzeb infrastrukturę abstrakcji łańcucha 4337. Stają się dostawcami płynności (Liquidity Providers - LPs) dla swoich użytkowników, dzieląc się z nimi wartością, która w przeciwnym razie zostałaby przechwycona przez solverów/wypełniaczy.

Rundler to modułowy bundler ERC-4337 w języku Rust od Alchemy, przeznaczony do wdrożeń skalowanych poziomo; obecnie działa na nim wiele obciążeń operacji użytkownika w Ethereum.

Skandha to bundler ERC-4337 w TypeScript od Etherspot, który optymalizuje przesyłanie operacji użytkownika, rozliczanie gazu i routing mempoola z opcjonalnymi zabezpieczeniami MEV i kompatybilnością ze współdzielonym mempoolem, a Etherspot uruchamia ten współdzielony stos mempoola na produkcji.

Możliwość wywołania wielu stałych wywołań funkcji ethereum w 1 żądaniu JSONRPC

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.

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.

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 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.

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.

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.

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.

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 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.

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.

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.

Rhinestone ModuleKit is a Solidity framework for building and testing ERC-7579 modules. Builders use it when writing validators, executors, or hooks for modular smart accounts.

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.

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.

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.

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.

Zestaw lekkich, otwartoźródłowych, zbadanych i zoptymalizowanych pod kątem gazu kont inteligentnych kontraktów kompatybilnych z ERC-4337 z wyznaczonym prawem własności

Voltaire to implementacja bundlera ERC-4337, którą możesz uruchomić, gdy potrzebujesz konfigurowalnego przekazywania operacji użytkownika dla portfeli z abstrakcją konta.

executooor koncentruje się na wzorcu kontraktu wykonawcy wielokrotnego użytku, dzięki czemu skrypty mogą łączyć wywołania delegatów, zatwierdzenia tokenów i atomowe kroki onchain za pośrednictwem viem lub ethers bez każdorazowego ponownego wdrażania niestandardowych routerów.

AbstractionKit to biblioteka pomocnicza TypeScript do łączenia przepływów ERC-4337 – operacji użytkownika, paymasterów i wywołań bundlerów – bez implementowania protokołu komunikacyjnego od zera.

Gelato Relay SDK opakowuje relayerów Gelato, dzięki czemu frontendy mogą przesyłać meta-transakcje, sponsorowane przepływy gazu lub zaplanowane wywołania bez obsługi własnej floty bundlerów.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Snapshot rozpoczął się jako bezgazowe zarządzanie pozałańcuchowe dla DAO z elastycznymi strategiami głosowania i wtyczkami walidacyjnymi, a zespół później uruchomił Snapshot X, modułowy stos głosowania onchain, który utrzymuje wykonanie o zminimalizowanym zaufaniu, jednocześnie minimalizując gaz poprzez sprytne dowodzenie i międzyłańcuchowe rozliczanie siły głosu.

Aragon OSx to infrastruktura frameworka DAO onchain do uruchamiania modułowych organizacji, które zarządzają skarbcami i parametrami protokołu za pomocą audytowanych prymitywów kontraktów.

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 oferuje otwartoźródłowe narzędzia do uruchamiania i obsługi DAO z modułowymi kontraktami, aplikacjami i przepływami pracy zarządzania społecznością.