This guide is a primer for first time builders and a roadmap for seasoned veterans. It outlines the most common use cases and the critical tools used to build your solution.
Building Web3 solutions involves creating decentralized and interoperable protocols that form the foundation for the next generation of the internet, enabling trustless transactions and decentralized applications. Below are the most common use cases.
Harvest is a decentralized finance (DeFi) yield farming platform that enables users to auto-compound crypto assets across multiple blockchains.
A comprehensive charting platform and social network for traders and investors covering markets worldwide.
Dynamic is a comprehensive wallet infrastructure SDK combining authentication, smart wallets, and secure key management with broad multi-chain and third-party wallet support.
A React library by Etherspot that simplifies Web3 development with transaction batching, cross-chain UX, and gasless transactions.
Formo is a decentralized finance (DeFi) platform focused on providing innovative yield farming and liquidity solutions.
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Aragon provides tools to build, govern, and accrue value for decentralized autonomous organizations (DAOs) onchain.
An ERC-4337 compliant smart contract wallet supporting multiple owners, passkey and Ethereum address owners, with cross-chain replayability.
Stake DAO is a non-custodial liquid staking platform focused on governance tokens, enabling users to boost yield and voting power while maintaining liquidity.
Onramper is a plug-and-play crypto ramp aggregator offering 25+ onramps, 130+ payment methods, offramps, and swaps with smart routing for optimal user experience.
A decentralized, permissionless API protocol providing high-performance, censorship-resistant access to blockchain and public data through a global network of nodes.
UniChain is a secure, distributed append-only log and a DeFi-native Ethereum Layer 2 network designed for cross-chain liquidity and fast, low-cost transactions.
Gem Wallet is an open-source, multi-chain mobile crypto wallet focused on security, privacy, and ease of use for Android and iOS.
A frontend sample app demonstrating integration of Circle's Web3 Services user-controlled wallets with gasless transactions.
Neutron enables Bitcoin holders to earn real yield through an integrated DeFi ecosystem with advanced infrastructure and developer tools.
Treasure is a decentralized game console and ecosystem that connects multiple web3 games through a shared token and community.
Fantv is a Web3 creator platform focused on enabling content monetization and community engagement through blockchain technology.
A crypto rewards credit card that lets users earn up to 4% back in bitcoin or 50+ other cryptocurrencies with no annual fee.
Render is a unified cloud platform to build, deploy, and scale apps with ease, supporting web services, static sites, background workers, and databases.
Cryptocurrency API and co-signing engine for blockchain applications.
Ubik Capital is a Proof-of-Stake validator and staking service provider supporting multiple blockchain networks.
Solend is a decentralized finance (DeFi) protocol for lending and borrowing on the Solana blockchain.
MANTRA is a web3 project with multiple repositories on GitHub, focusing on decentralized finance and governance tools.
A comprehensive research project and database mapping the privacy-enhancing solutions ecosystem in Web3.
MoonPay provides fast, simple fiat-to-crypto on-ramps, off-ramps, and crypto swaps with broad payment method support and non-custodial user control.
Composio provides APIs, SDKs, and integrations that enable AI agents to reliably interact with thousands of real-world apps and services.
Ronin is an EVM-compatible blockchain built by Sky Mavis specifically for games with player-owned economies.
A comprehensive development environment for building, testing, and deploying smart contracts and decentralized applications.
Wirex is a crypto-friendly digital banking platform offering payments, trading, borrowing, and yield products integrated with Web3 features.
Parallel is a sound-focused design studio specializing in immersive and interactive sonic experiences.
ApeSwap is a multi-chain decentralized finance (DeFi) hub offering swapping, staking, lending, bonding, and NFT services on BNB Chain, Polygon, and Ethereum.
Maverick Protocol is a decentralized finance (DeFi) platform offering tools and smart contracts for building and interacting with DeFi applications.
Stripe Crypto provides infrastructure to accept stablecoin payments, send crypto payouts, and build borderless financial services with flexible APIs.
First Digital provides web3 developer tools focused on blockchain integration and digital asset management.
Institutional onchain operating system for compliant issuance, management, and distribution of blockchain-based assets.
An open-source, multi-chain mobile crypto wallet for Android and iOS focused on security, self-custody, and seamless Web3 integration.
Suilend is the largest lending protocol on the Sui blockchain, offering a comprehensive DeFi suite including lending, borrowing, leverage, liquid staking, and a superfluid AMM.
Kamino Finance is a Solana-based DeFi protocol offering unified borrowing, lending, liquidity provision, and leverage products with automated yield strategies.
A decentralized NFT marketplace platform enabling users to create, buy, and sell NFTs with a focus on user experience and open protocols.
CryptoPro is a collection of open-source repositories focused on cryptographic and security-related tools for Web3 development.
Argo Protocol is a Web3 developer tool focused on providing decentralized solutions with open-source code.
The yield protocol for digital assets focused on optimizing DeFi yield strategies.
B3 is a comprehensive Web3 monorepo offering blockchain infrastructure, authentication, cross-chain operations, and gaming SDKs built with React and TypeScript.
Hyperspace is a decentralized cloud storage platform that uses client-side encryption and blockchain-based smart contracts to create a competitive, trustless storage marketplace.
Blocknative provides real-time gas fee estimation, mempool data, and transaction monitoring tools to improve blockchain transaction efficiency.
Y24 is a Swedish design-led brand offering premium, affordable-luxury Apple Watch cases and accessories.
Decentralized platform for spot and perpetual cryptocurrency trading with up to 100x leverage on Arbitrum and Avalanche.
User Acquisition provides strategic consulting and automation tools to optimize growth and marketing efficiency for high-scale user acquisition campaigns.
MemeFi is a browser-based web3 game that integrates with Telegram and uses user scripts for gameplay automation.
Blast API is a decentralized Web3 infrastructure platform providing multi-region blockchain API endpoints with optimized routing and node staking incentives.
Wallet as a Service provides a turnkey solution for integrating blockchain wallets into applications with minimal development effort.
RealT offers fractional real estate investment through tokenized assets secured on blockchain, enabling global investors to earn passive income from property ownership.
BitPay is a blockchain payment service provider enabling merchants to accept cryptocurrency payments and convert them to fiat or crypto wallets.
Polygon is a fast, low-cost blockchain platform powering real-world assets and global payments with Ethereum compatibility.