Polygon Applications, Projects, and Developer Tools
Explore some of the best decentralized Polygon applications and Polygon developer tools. Whether you're a web3 developer or simply web3 curious, this directory includes some of the top Polygon dapps and projects.


OpenSea
Founded by Devin Finzer and Alex Atallah in 2017, OpenSea is a decentralized marketplace for the purchase and sale of NFTs. Users can buy, collect, trade and gift NFTs on the marketplace. Developers can run an in-app economy with OpenSea.js, run their own marketplace and access the OpenSea API for data on sales, listings, bids and transfers. The platform has one of the lowest commission fees for purchasing and selling NFTs. To date, OpenSea has raised over $427M with their most recent Series C raise capturing $300M from investors including Coatue and Paradigm.
NFT Dapps

Forta
Forta is a real-time decentralized cybersecurity network running on Ethereum, Polygon, and multiple other blockchains. Founded in 2021, Forta was incubated by OpenZeppellin, and today is trusted by some of the largest web3 dapps including dYdX, Compound, Lido, and MakerDAO. With thousands of backers, hundreds of protocols, and standalone users, Forta's community-run security network has protected 10s of billions of valuable assets from exploits. Users can subscribe to dapp security monitoring for web3 projects they have an interest in, and web3 developers can use the Forta SDK to build threat detection bots, and set up nodes to extend the Forta network across chains.
Web3 Security Tools

Pantera Capital
Pantera was founded by former Tiger Management CFO Dan Morehead in 2013 when bitcoin was trading at $65. Pantera is notably the first cryptocurrency fund in the United States in focused exclusively on blockchain technology. Pantera has multiple funds including a venture capital fund and an early stage token fund. Pantera's notable venture investments include the decentralized exchange aggregator 1inch, the Ethereum Layer 2 network Arbitrum, and Coinbase, the leading cryptocurrency exchange in the United States. Some of Pantera's early stage token investments include 0x, Cosmos, Polkadot, PsyOptions, Filecoin, and Livepeer.
Venture Capital Firms

Rainbow
Rainbow is a fun, easy, and secure Ethereum wallet that was founded in 2019 by Christian Baroni, Jin Chung, and Mike Demarais. Rainbow can be used to manage and display Ethereum-based assets, and connect to the most popular NFT and DeFi applications in the Ethereum ecosystem. Rainbow is a mobile and desktop Ethereum wallet with a colorful and simple user interface that makes finance friendly. With native support for ENS domain names and bridging to Layer 2s like Polygon, Arbitrum, Base, and Optimism, Rainbow wallet is a great choice for newcomers and power users alike.
Web3 Wallets

Mint Kudos
Mint Kudos is a DAO achievement tool that lets anyone mint Kudos tokens, non-transferrable NFTs, to recognize community member contributions. Mint Kudos was founded in 2022 by Catherine Chang and Kei Yoshikoshi, and is currently deployed on Polygon. Some of Mint Kudos notable users include Women Build Web3, Developer DAO, and Alchemy University. By using non-transferable NFTs, Mint Kudos enables DAOs to reward contributors for actions such as winning an award, completing a certification, or attending a conference because the tokens cannot be bought, sold, or traded. Mint Kudos is free, no-code solution that also offers an API for more scalable minting and distribution of non-transferable achievement-based NFTs.
DAO Tools

Phantom Wallet
Phantom was built by Chris Kalani, Francesco Agosti, and Brandon Millman after brainstorming a Solana-native wallet. Phantom is a non-custodial wallet that is compatible with assets on the Solana blockchain. With Phantom, users can trade, receive, send, and store assets conveniently. It is also compatible with hardware wallets, especially Ledger, for tighter security. Phantom is available on mobile phones and also exists as a browser extension. In May 2023, Phantom launched wallet support for Polygon and Ethereum.
Web3 Wallets

Slingshot
Founded in 2020, Slingshot is a DeFi application that can be used to search for, send, receive and swap over 50k cryptocurrencies at the best prices, with 0% swap fees. Slingshot is available both on desktop (Slingshot Web App) and on mobile (Slingshot Wallet), with multi-chain and bridging support for the following networks: Arbitrum, Arbitrum Nova, Binance BNB Chain, Optimism, Base, Polygon, ETH Mainnet, and Canto (bridging support coming soon). Slingshot is continuously releasing enhanced product features and reward-driven participation opportunities for their growing community.
DeFi Dapps

Kraken
Kraken is a United States–based cryptocurrency exchange and bank, founded in 2011. Users can invest in cryptocurrency and leverage Kraken's tools and features to grow their portfolio. Developers can use the REST API to connect to publicly endpoints. Kraken was one of the first bitcoin exchanges to be listed on Bloomberg Terminal and is reportedly valued at $10.8 billion USD, as of mid-summer 2022.
Trading Tools

Robinhood
Founded in 2013 by Vladimir Tenev and Baiju Bhatt, Robinhood is a financial services company. Users can use the platform for commission-free investing, and access tools including stocks, options, ETF and cryptocurrency trading for investment purposes. Unlike many crypto exchanges, Robhinhood does not charge a fee for buying and selling cryptocurrency.
Trading Tools
Uniswap
As one of the first and largest Ethereum-based decentralized exchanges, Uniswap pioneered the concept of an automated market maker, which other decentralized exchanges are based on. Instead of using order books, Uniswap aggregates liquidity through pre-funded and user-funded liquidity pools (LPs). First launched in 2018 by CEO Hayden Adams, Uniswap's ecosystem has now further expanded to include applications such as stablecoins, governance systems, and analytics platforms.
DeFi Dapps

Collab.Land
Collab Land is a standardized bot for community management and engagement. The bot can be added to either Telegram or Discord communities. The most unique feature of the Collab Land is that it tracks and only gives membership access to those who hold your token, automatically kicking out anyone who sells them.
NFT Tools

LayerZero
LayerZero is a protocol that facilitates interaction between separate blockchains and ecosystems. It does so with its underlying oracle and relayer that allows for cross-chain messaging and verification. LayerZero supports a wide array of blockchains including Aptos, Avalanche, Polygon, and Harmony.
DeFi Tools

Safe
Safe is a smart contract wallet that allows users to define a list of owner accounts and a quorum of owners required to confirm a transaction. However, it's underlying open source protocol and SDKs serve as a foundation for enabling Account Abstraction features such as Sponsored Transactions, Account Recovery, Transaction Batching, Fraud Monitoring and Spending Policies.
Web3 Wallets

Stripe Crypto Onramp
Stripe's crypto onramp gives crypto businesses like DEXs, NFT Marketplaces, wallets, dApp, and more an easy and fast way for their consumers to purchase crypto. Top web3 companies like MyEtherWallet,, Magic Eden, Audius, and Argent trust Stripe's crypto onramp to give users a seamless experience that is optimized for conversion and instant settlement of crypto. With just 10 lines of code, web3 developers can integrate an onramp that abstracts away all of the complexity of piecing together multiple third-party KYC, payments, fraud, and compliance services. If you’re interested in integrating our onramp, please sign up for the waitlist, and we’ll reach out to you soon.
Web3 Wallet Tools

Goldsky
Goldsky lets you build real-time data streams for your applications without the hassle of managing complex blockchain and data streaming infrastructure. Goldsky can index a blockchain or subgraph, transform the data to fit your needs, and stream the results into a data warehouse, webhooks or an API, all in real-time.
Infrastructure Tools

Alchemy
Alchemy provides the SDK and APIs to build multichain Web3 DApps, and the skills to use them through a community/university-like initiative. Developers can use the free tools to create smart contracts for multiple use cases and multiple blockchain targets. Alchemy has inspired +$100 Billion worth of transaction value on-chain, with north of 10M end users, and royalties upwards of $1,5B.
Infrastructure Tools

Alchemy Rundler
Alchemy's Rundler is an open-source ERC-4337 compliant bundler for smart contract wallets. Built by Alchemy engineers, this bundler is allows smart contract wallet developers to use SC wallet primitives to enable seamless onboarding, improved security, and advanced features.
Web3 Wallet Tools

Chainlink
Chainlink is a DeFi oracle that gives Ethereum-based smart contracts access to real-world data and off-chain computation. Their products include data feeds, Verifiable Random Numbers (VRF), calling external APIs, and automated contracts. The protocol is meant to be able to verify whether the parameters of a smart contract with real-world data are independent of stakeholders.
DeFi Tools

Alchemy University
Alchemy University (previously Chainshot) offers a suite of web3 education courses including a FREE, 3-week Javascript for blockchain beginners course and a FREE 7-week Ethereum Developer Bootcamp. The web3 JavaScript crash course covers the basics of programming through advanced topics to prepare developers for learning Solidity and building Ethereum dapps. The Ethereum Developer Bootcamp includes interactive coding challenges, video lessons, projects and expert instructors that teach you how to build smart contracts, master solidity, and become a web3 developer. Mint your NFT today to enroll in Alchemy University!
Web3 Developer Tools

Fire
Our friend lost his Ape, so we built a tool that shows a preview of what will enter and exit your wallet, before you sign. Web3 is hard to use. Self-custody and interacting directly with the blockchain today is overly complicated for the consumer, leading to the average user losing their funds and quitting the ecosystem. UX today is fraught with “gotchas” and pitfalls. Fire is a Chrome extension that simulates transactions, showing you exactly what will go in and out of your wallet before you sign the contract. All under your control with your current wallet.
Web3 Wallet Tools

Aave
Aave protocol allows users to borrow and lend from over 30 Ethereum-based assets. Aave Protocol users can switch between stable and variable rates, depending on their preference and the state of the market, and take out flash loans. Aave also provides pools for real-world assets, like real estate, cargo and freight invoices, and payment advances with the use of its partner company, Centrifuge. Their governance token AAVE lets users vote on Aave Improvement Proposals (AIPs).
DeFi Dapps

Stripe Identity
Programmatically confirm the identity of your users to prevent fraud while minimizing friction for real customers. Trusted by companies like Discord, Clubhouse, and more, Stripe's Identity solution enables developers to easily support Know Your Customer (KYC) rules, validate ID documents from over 100 countries, and detect fake IDs with advanced machine learning. Once implemented, Stripe Identity makes it easy for developers to integrate with Stripe's network of payment products like payouts, subscriptions, and other financial connections.
Identity Tools

ZettaBlock
ZettaBlock provides enterprise-grade, full-stack Web3 infrastructure for indexing and analytics needs, joining real-time on-chain and off-chain data. App developers can build low-latency, reliable GraphQL APIs via SQL and Python in minutes. Users no longer worry about decoding blockchain data, configuring their data warehouses, data pipelines, databases, and API endpoints.
Infrastructure Tools

Alchemy NFT API
With Alchemy's NFT, API developers don't need to build their ideas from scratch. A single request/line replaces tens of lines of code. Developers can build custom NFT tracking apps, marketplaces, or even minting platforms with secure token transactions. The Alchemy NFT API is benchmarked to perform up to17-times faster than market competitors and spots more than double the usage.
NFT Tools

Coinbase Wallet
Coinbase wallet is an EVM compatible software wallet, launched in 2018 by the creators of the Coinbase platform. Users can purchase ERC-20 tokens, NFTs and take part in airdrops. Developers can use Coinbase wallet to connect directly to testnet faucets in a wallet extension and integrate into dapps and protocols for lending and payment.
Web3 Wallets

Lit
Lit can be used to read and write data between blockchains and off-chain platforms, facilitating encryption, access control, and automation for the open web via programmatic signing. On a fundamental level, Lit is an attempt to decentralize public key cryptography. This includes building apps with private data using identity-based encryption, facilitating more seamless onboarding experiences for non-crypto natives with MPC wallets, and more. To learn more, visit [our developer documentation](https://developer.litprotocol.com/).
Identity Tools

Alchemy Ventures
With the goal of bringing blockchain to a Billion people, the parent company Alchemy introduced an investment firm called Alchemy ventures. Alchemy ventures is a VC funding empowering developers and communities that are building gaming, metaverse, Defi, or web3 applications using Blockchain Technology.
Venture Capital Firms

DraftKings Marketplace
Before the advent of NFTs, DraftKings was a betting platform for fantasy sports players. Recently, it added an NFT marketplace to its offerings. Fantasy sports are a popular aspect of both football and video games. Draft \Kings makes it possible to buy NFTs that celebrate famous sports icons and add a new experience to fantasy sports.
NFT Dapps

Nansen Portfolio
Create unlimited DeFi portfolios by bundling wallets across over 40 chains and over 500 protocols! Connect your wallet and get an in-depth view of your DeFi holdings powered by data from Nansen. Gain insights from Nansen's 240 million labeled wallets and comprehensive data analytics.
Trading Tools

Alchemy SDK
The Alchemy SDK is considered the best web3 development platform on the market. Simple, efficient, and comprehensive, the Alchemy SDK is easiest way to create and connect your dapp to the blockchain. Developers can use the Alchemy SDK to access a variety of web3 tools for APIs, NFTs, wallets, data analytics, and much more. Offering multi-chain support and its best-in-class infrastructure, Alchemy’s SDK is an all-around powerhouse for dapp development.
Web3 Developer Tools

Coinbase
Coinbase Global, Inc., branded Coinbase, is an American publicly traded company that operates a cryptocurrency exchange platform. Users can buy, sell, earn, borrow cryptocurrency, use the Coinbase Wallet to store cryptocurrency as well as collect NFTs and trade derivatives. Developers can access the Coinbase cloud for developer tools and API.
Trading Tools

Apex
Apex Wallet is an Ethereum wallet that supports wallet-to-wallet in-app messaging. Users can use it for in-wallet messaging to securely send messages to friends, communicate with specific NFT holders, or communicate with members of a shared DAO. Apex offers in-app web3 messaging as well as security features to blur the contents of your wallet, a simple user interface, and colorful sections for viewing NFTs.
Web3 Wallets

Floor
Floor helps its users understand their NFTs, discover new ones and participate in the Web3 communities behind tokens through a user-friendly mobile app. The Floor app has supported over 1,000s of NFT enthusiasts in the past year and is now available in the App Store & Play Store.
NFT Dapps
1inch
The initial protocol of the 1inch Network is a decentralized exchange (DEX) aggregator that sources liquidity from various exchanges and is capable of splitting a single trade transaction across multiple DEXes. Smart contract technology empowers this aggregator enabling users to optimize and customize their trades. The 1inch Network was launched at the ETHGlobal New York hackathon in May 2019 with the release of its Aggregation Protocol v1. Since then, the 1inch Network has developed additional DeFi tools such as the Liquidity Protocol, the Limit Order Protocol, P2P transactions, the Fusion mode, and the 1inch Wallet app.
DeFi Dapps

a16z crypto
Andreessen Horowitz (known as "a16z") is a venture capital firm that backs bold entrepreneurs building the future through technology. It was founded in Silicon Valley in 2009 by Marc Andreessen and Ben Horowitz. They invest in seed to late-stage technology companies across bio + healthcare, consumer, crypto, enterprise, fintech, games, and companies aspiring to American dynamism. a16z manages $35 billion in assets across multiple funds.
Venture Capital Firms

Dropspace
Dropspace is the easiest way to launch your own NFT collection. They personally work with you to handle all technical aspects of your mint. They just require artwork from you and they can take care of the following aspects of an NFT project: (1.) Smart contracts; (2.) Unique dedicated web page on our site; (3.) Web3 website; (4.) IPFS pinning; (5.) Image layering/generation; (6.) Opensea setup and reveal; and (7.) Minting window for the community.
NFT Tools

Founders Fund
Founders Fund was launched in 2005 with the mission to invest in smart people solving difficult problems. Founders Fund is led by technology innovators including Peter Thiel, Brian Singerman, and Joey Krug. Founders Fund has invested in multiple digital assets and web3 products including Bitcoin, Paxos, Bullish, and most recently, Block Green, a lending protocol for Bitcoin miners lacking access to capital. Founders Fund most notably earned $1.8B from Bitcoin investments that were sold during the 2021 bull market.
Venture Capital Firms

Plaid Wallet Onboard
Wallet Onboard allows developers to connect their apps to more than 300 self-custody crypto wallets with a single integration. Wallets may come on many platforms with different challenges, but Wallet Onboard guides users through the simplest steps for every scenario. Wallet Onboard gets updated on an ongoing basis as new wallet integrations are added. Instead of staying up to date and managing multiple libraries to integrate new wallets into the onboarding experience, Wallet Onboard does this for developers automatically.
Web3 Wallet Tools

Cookbook
The Cookbook is a community-sourced collection of smart contracts for developers to download code and use to their liking. Users can browse a growing number of smart contracts by searching use cases or blockchains. Developers can offer new smart contracts, contribute to quality-checking existing contracts and add support for more chains through a discord community. Cookbook also supports Metis, Cronos, Ethereum Classic, Aurora, Fantom, Fuse, Milkomeda, Boba, Moonbeam, and Moonriver.
Solidity Tools

Create Web3 dApp
Create Web3 DApp is an npx package that allows developers to create anything from a simple, barebones dApp to a feature-rich decentralized platform, in ~2 minutes. The create-web3-dapp package is a NextJs-based framework, compatible with the most used blockchains including Ethereum, Polygon, Optimism, Arbitrum, Solana, that helps web3 developers build a decentralized production-ready application at lightning speed, using pre-made React components, webhooks, and APIs. For more information, read the create-web3-docs on docs.alchemy.com.
DeFi Tools

Delphi Digital
Delphi Digital is an independent research boutique providing institutional-grade analysis on the digital asset market. Users can use Delphi’s research to make informed investment decisions about their favorite web3 projects. Industry-leading research insights provide a deeper understanding of critical concepts within the crypto ecosystem. Delphi Digital is actually an umbrella company for several entities including a research firm, venture firm, and asset creation firm.
DeFi Tools

Nansen
Launched in 2019, Nansen is a blockchain analytics platform that provides tools and dashboards to help users access data from multiple blockchains. Nansen users can get macro perspective on tokens, look up smart contracts, track wallets, discover non-fungible tokens (NFTs) data, and conduct due diligence. The platform also records, labels, and analyzes over 50 million wallets to add a contextual layer to on-chain data. Nansen claims that this helps its users make better investment decisions.
DeFi Tools

Dfns
Dfns is the most secure wallet-as-a-service infra founded in 2020 in Paris. Dfns is Techstars-backed, SOC 2-certified, and has raised over $20M since its creation. Dfns is an API-first KMS designed to provide app developers with secure, plug-and-play access to blockchains based on an decentralized, MPC-driven key management network with built-in recovery mechanisms, operated by error-and-attack-resilient tier 3+/4 data centers. Dfns is designed with focus on developer experience to maximize programmability, minimize high-touch implementations, and provide granular sets of permissions, controls and policies via secure API credentials (encrypted WebAuthn 2FA). We support 40+ blockchains and 1,000+ tokens.
Web3 Wallets

Paragraph
Paragraph allows users to write Web3-powered newsletters. Users can token-gate their content with Paragraph. Users can write content, grow an audience and foster a community with Paragraph. Developers can also build on Paragraph upon request. Unlike other newsletter sites, Paragraph has a faster page load time as well as permanent and uncensorable storage.
Web3 Social Dapps
Mirror World
Mirror World is a full-stack Web3 App development platform that means everything from Web2/Web3 login methods to NFT marketplace, wallet integration, and NFT launch are all covered in the SDK with minimal code required. All you need to do is plug in once, integration time is under 30 minutes, and the APIs are all yours. Aside from these primary features, we do have other auxiliary functions such as a UI dashboard, open storefront, data monitoring tools, and so on, to minimize your development effort.
NFT Tools

Decentral Games
Decentral Games is a decentralized autonomous organization (DAO) that builds games and social experiences in the Metaverse. Our flagship game is ICE Poker, the first Metaverse poker platform. We also host daily Metaverse events featuring prizes, live music, and more. DG DAO members can submit proposals, vote, and help shape the future of Decentral Games.
DAOs

Coinbase Ventures
Coinbase ventures support exceptional entrepreneurs, working to advance the crypto/Web3 ecosystem and Coinbase's mission of increasing global economic freedom. They work with founding teams from the beginning and invest broadly across all sectors of the crypto economy. They've invested in hundreds of teams that are working on everything from layer 1 protocols to Web3 infrastructure, centralized on-ramps, decentralized finance, NFTs, metaverse technologies, developer tooling, and more.
Venture Capital Firms

Binance.US
Created by Binance and its U.S. partner BAM Trading Services, Binance.US is a cryptocurrency exchange for residents of the United States. Users on the platform can buy, sell, trade, convert and stake over 120 popular cryptocurrencies, including Bitcoin (BTC), Ethereum (ETH), Solana (SOL), and Cardano (ADA).
Trading Tools

Connext
The ethos of Connext is to herald a time when the end users would not even know the actual chain they are using, as it aims to strike a high-level composability in the blockchain industry. Connext has a decentralized network of routers that earn as they facilitate the activities of the bridge and secure it at the same time.
DeFi Tools

Fractal ID
Fractal ID is the interoperable decentralized identity system for web3. Our identity stack offers chain-agnostic identity verification (KYC, KYB and Proof of Personhood) and simplifies the full identity process. Experience privacy, interoperability, and increased adoption.
Identity Tools
Taho Wallet (Formerly Tally Ho)
Taho provides Open Source tooling for the ecosystem, is community owned vs. centralized corporate ownership, applies radical transparency, and is committed to improving wallet UX and Web3 onboarding.
Web3 Wallets

web3cli
Certain blockchain operations can be time consuming, if not impossible, for non-devs: (1.) swap or mint without frontend; automatically collect and reinvest DeFi yield; (2.) schedule buy or sell on a DEX; (3.) on-chain data analysis; etc. web3cli is a command-line tool designed for these tasks. It supports EVM chains out of the box and, soon, tokens and contracts. web3cli is for crypto enthusiasts such as DeFi and NFTs degens, Web3 gamers, chain analysts, etc who need to interact directly with the blockchain in a scriptable way. The only requirement is a terminal. The foundations of web3cli and some useful commands are ready. Token send & swap commands are next to come, followed in Q1 2023 by the first commands to analyze on-chain data.
Web3 Developer Tools

Portals.fi
Portals is a yield and protocol aggregator API providing transaction bundling, any-to-any swaps, and real-time data for DeFi assets. Portals.fi manages the intricacies associated with composability and ensures that exchanging transferrable assets in web3 is as simple as signing an order, regardless of the complexity (or chain) of the underlying assets. Traders do not need to initiate and babysit multistep transactions, worry about gas, or defend against MEV.
Web3 Developer Tools

Trail of Bits
Trail of Bits is a blockchain auditing company and open source web3 security tool developer offering a variety of services and products. Trail of Bits helps blockchain companies harden smart contracts, understand contract storage and manage, and identify many potential vulnerabilities. Trail of Bits also builds industry-leading tools for web3 developers including multiple open source web3 security tools like Slither, Manticore, and Echidna.
Web3 Security Tools

Blocknative
Blocknative provides a global real-time web3 data platform that is used by builders and traders as a rich framework to access what is happening in web3 transactions right now. Users can use Blocknative to: - gain access to in-flight data and speed up transaction distribution -Easily add ready-to-connect wallets to their dapps – hardware and software wallets are supported. -Using Mempool Explorer, they can also create custom real-time data streams and send them to a webhook.
DeFi Tools

Polygon ID
Polygon ID, from the creators of Polygon, enables programmable privacy, a way for users to interact with Web3 services that is decentralized, controlled by users, and privacy-focused. Using their own zkSnark tech to ensure cryptographic protections, Polygon ID achieves a scalable model for permissionless and censorship-resistant digital identities.
Identity Tools

Matcha
Matcha is a decentralized exchange (DEX) created by 0x that lets you trade over 4+ million tokens with swaps and limit orders. Using Matcha Auto, you can also enjoy MEV protection and gasless swaps! Connecting over 100 liquidity sources, Matcha is trusted by individuals and institutions alike to execute trades at the best value through smart order routing - with the lowest trade revert rates of any DEX!
DeFi Dapps

Zerion
Zerion is a web3 smart, social wallet, and investing tool that allows anyone with a mobile phone to manage their DeFi and NFT portfolios, with support for every chain and thousands of protocols. Users are offered a single point of entry for managing their digital assets, including NFTs, thanks to a relentless focus on user-centered design and a technology stack that aggregates across every major wallet, network, and decentralized exchange. Because Zerion is non-custodial, users never delegate their funds to the platform. This agile approach reduces the risk of centralization and has allowed Zerion to operate globally since its inception.
Web3 Wallets

Submarine
Sharing content across the blockchain has typically always been done across public networks. With Submarine, creators can make any content unlockable through NFT ownership, geo-location, and more. Within just a few steps, you determine who gets access to your content, when they can view it, & for how long.
NFT Tools

Sigma Prime
Sigma Prime has an extensive history in penetration testing of corporate networks, cloud infra, web applications, and are a leading provider of Ethereum smart contract security assessments. Sigma Prime founded and maintains Lighthouse, an open-source implementation of the Ethereum 2.0 specification written in Rust, and are heavily involved in Ethereum 2.0 engineering and research. Sigma Prime contributes to various open source projects and research efforts in the blockchain ecosystem. Our work has been published in several research papers and blog articles. Some of Sigma Prime's clients include Chainlink, Dapper, and AlphaWallet.
Web3 Security Tools

Messari
Messari is the leading provider of crypto market intelligence products that help professionals navigate crypto/Web3 with confidence. Users can utilize Messari products to get the most accurate and up-to-date information about the Web3 industry. Messari Pro offers advanced research and analytics tools for professional investors and Web3 enthusiasts. Messari has the financial backing of some of the most prominent individuals and venture firms in the industry.
DeFi Tools

Zapper
Zapper is democratizing the blockchain by allowing users to track their wallets, follow other wallets, and discover all the great applications that Web3 offers through its innovative explorer dashboard. Discover the most popular NFTs, Defi dapps, and DAOs that Web3 has to offer all in one place. Zapper also allows users to swap tokens or move them to another blockchain network through the Zapper Bridge.
Trading Tools
Sushi
Sushiswap is an automated market maker that enables swapping between different cryptocurrencies and tokens through automated liquidity pools across EVM-compatible blockchain networks and Layer-2 solutions. Sushi is one of the largest DeFi solutions and recently has expanded its DeFi offerings, even more, using its native token SUSHI.
DeFi Dapps

Bueno
From dropping a new collection to creating smart contracts, and managing artist collaborations; Bueno makes it shockingly easy to speed up your NFT tasks. Learn how you can easily turn your art into 10,000 unique PFPs—no code needed.
NFT Tools

Axelar
Axelar delivers secure cross-chain communication. That means dApp users can interact with any asset, any application, on any chain, with one click. You can think of it as Stripe for Web3. Developers interact with a simple API atop a permissionless network that routes messages and ensures network security via proof-of-stake consensus.
Infrastructure Tools

Alchemy Notify
Alchemy Notify is a handy toolkit of APIs that register interested parties to notifications and updates when events take place on-chain. Users can set up notifications to get updates when tokens enter a known wallet address. Developers can build notifications into dApps to keep teams up to date with events happening on a blockchain.
Infrastructure Tools

Cyfrin
Cyfrin is group of developers dedicated to enhancing the web3 developer experience that was co-founded by Patrick Collins. Cyfrin offers code reviews that go through smart contracts, tests, and documentation to give developers everything they need to be ready for a full audit. Code reviews include a report of best practices and how to improve code and a checklist on what needs to be done before deploying to mainnet or going for a full audit. Full audits comb through every line of code to make sure that code performs as intended.
Web3 Security Tools

Boardroom
Boardroom is a management dashboard built for active DAO participants and stakeholders. The success and sustainability of DAOs rely on the participation and decision-making of its community, but information is currently siloed across myriad solutions. Boardroom provides voters with access to a comprehensive and user-friendly governance dashboard to increase transparency and participation in the decision-making of your project. Boardroom's Governance API also makes this data accessible to any developer, and the 'Teams' functionality helps organizations have a greater impact with governance management software built to streamline tracking, voting, communications, and reporting workflows.
DAO Tools
UniPass
UniPass’ mission is to help Web3 apps effortlessly onboard Web2 users. It is a non-custodial smart contract wallet that frees users from seed phrase and gas. Unipass is developing wallet SDKs for all platforms and all kinds of use cases, such as Web3 games and loyalty program like Starbucks Odyssey, to help with the mass adoption of Web3.
Web3 Wallets

Wormhole
Wormhole has a modular architecture that works with other chains as its layers. Wormhole is one of the bridges that connect Solana assets to be useful and interoperable on other chains, which it often terms to be xChain. Wormhole makes it easier for developers to build both tokens and DApps on a cross-chain architecture for maximal performance.
DeFi Tools

Space and Time
Space and Time (SxT) is a decentralized data warehouse that comes preloaded with indexed blockchain data from major chains. You can join tamperproof on-chain data with your own off-chain datasets in a simple SQL format and publish the result to smart contracts, dapps, dashboards, BI tools, and ML models. Proof of SQL is our novel zk cryptography that proves that queries run in SxT are verifiably tamperproof. SxT revolutionizes data for Web3, powering sub-second queries and enterprise-scale analytics in a tamperproof and blockchain-anchored way.
Infrastructure Tools

MixBytes
MixBytes' mission is to making DeFi more efficient and secure. MixBytes' auditing services include investigations into all types of logical errors, inconsistencies, and vulnerabilities, as well as recommendations to address each of them. A group of security engineers are involved in working on the audit, and they check the provided source code independently to: audit the project architecture, review code against a vulnerabilities checklist, check code for security model compliance, prepare a report, fixe bugs, re-audit contracts, and a prepare a final code verification and public audit report. Customers include Aave, Yearn Finance, Curve, 1inch, PowerPool, and more!
Web3 Security Tools

Fireblocks
Fireblocks combines MPC-CMP with hardware isolation to create a multi-layer security technology. This eliminates a single point of failure and insulates digital assets from cyber-attacks, internal collusion, and human error. Customers and investors want instant access to funds. Fireblocks' MPC-CMP algorithm helps you meet client SLAs regardless of your wallet configuration. Send and receive transactions at scale without massive operating costs.
Web3 Wallet Tools

WatchPug
WatchPug is a smart contract security team with the goal of elevating the security, privacy, and usability of the current DeFi ecosystem. WatchPug offers in-depth smart contract security audits as well as 1-day security reviews.
Web3 Security Tools

Superfluid
Superfluid is a smart contract framework on EVM networks, enabling you to move assets on-chain following predefined rules called agreements. With a single on-chain transaction, the money will flow from your wallet to the receiver in real-time! No further transactions required- it works like magic
Web3 Wallet Tools

Spearbit
Spearbit is a decentralized network of security experts that offer web3 security consulting services. Spearbit's network is sourced from top talent from everywhere in the web3 ecosystem, and is heavily invested in mentoring new security researchers, who get the opportunity to work alongside and learn from some of the most prominent names in the industry. Spearbit offers one-off security reviews by hand-selected team of experts and recurring security reviews in the form of a retainer agreements.
Web3 Security Tools

Loop Crypto
The most effective way to accept crypto payments. The only protocol that allows for true autopay - no locking up funds; no withdrawals, ever. With Loop, users maintain control over their assets while removing the need to sign every recurring transaction. If you’re a Web3 company or you serve Web3 companies, DAOs, or communities, then you need automation.
Web3 Wallet Tools

Emojam
Emojam is like GIPHY for web3 but with sound and original content that creators monetize as NFTs. Fans can now own audio stickers as NFTs and flex them in their everyday conversations on web2/web3 platforms.
NFT Tools
Ledger
Founded in 2014, Ledger is the global platform for digital assets and web3. Over 20% of the world’s crypto assets are secured through Ledger Nanos. Headquartered in Paris and Vierzon, with offices in London, New-York, Singapore and Portland, Ledger has a team of more than 700 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap and manage crypto assets - including the Ledger hardware wallets line with more than 5 million units already sold in more than 180 countries. Ledger combines a hardware wallet: Nano S Plus or Nano X and the Ledger Live app to offer consumers the easiest way to start their crypto journey while maintaining full control over their digital assets. With its ease of use, Ledger allows a user to begin investing in digital assets and ultimately, achieve financial freedom in a safe and stress-free environment, with additional education provided by its Academy. In addition to consumer products, Ledger has also developed Ledger Enterprise, a digital asset custody and security solution for institutional investors and financial players.
Web3 Wallets

Halborn
Halborn provides blockchain security solutions, including security advisory, advanced penetration testing, smart contract audits, and DevOps and automation services. Halborn was founded in 2019 by renowned ethical hacker Steven Walbroehl and growth hacker Rob Behnke. The company has now grown to over 100 of the world's best offensive security engineers.
Web3 Security Tools

Hacken
With a team of 60+ certified engineers, Hacken provides solutions encompassing all aspects of blockchain security, such as Smart Contract Audit, Blockchain Protocol Audit, dApp Audit, Penetration Testing, and CCSS Audit. Since 2017, Hacken has been raising the bar for blockchain security by contributing to security standards and championing transparency in 1,200+ Web3 projects.
Web3 Security Tools

BitGo
BitGo is an institutional digital asset custody, trading, and financial management service provider. Traders can secure private wallets and custody credentials with BitGo. Developers can bring the functionality of BitGo into their use case applications by calling APIs and connecting webhooks from the open-source projects
Web3 Wallet Tools

MoonPay
Launched in 2019, MoonPay offers a fast and simple way to buy and sell cryptocurrencies. It enables users to purchase and sell cryptocurrencies using traditional payment platforms (i.e. Visa, Mastercard, etc.). In its line of products, MoonPay also provides a business payment on-ramp and an NFT payment processor.
Web3 Wallet Tools

Radom
Subscription businesses can't serve crypto users because there is no way for them to process recurring, on-chain payments. Radom enables merchants/businesses anywhere in the world to onboard onto a dapp with any non-custodial wallet and begin creating products with embedded checkouts and payment links that accept cryptocurrency, tokens, and stablecoins. Thus, Radom enables their customers to checkout using their own non-custodial wallet and has just a 0.5% transaction fee.
Web3 Wallet Tools

Paper
Paper enables companies to add Web3 functionality without the confusion of creating a wallet, buying crypto, and signing transactions. It enables your users to buy NFTs with a credit card, create a wallet with an email address, and say goodbye to annoying Metamask popups.
Web3 Wallet Tools

Ownerfy
There are millions of traditional apps out there and not every development team wants to learn how to program solidity or buy and hold crypto. The Ownerfy minting API is plug and play. These apps can make NFTs, transfer NFTs, make smart contracts using traditional skills and without the liabilities of holding crypto currency. Ownerfy uses a proprietary co-custodial private key solution backed up by MPC security.
NFT Tools

BlockSec
Founded by top-notch security researchers, BlockSec is creating blockchain security infrastructure with its security services and tools. The company has published several blockchain security papers at popular conferences and saved cryptocurrencies worth over 8 million dollars by preventing multiple attacks. BlockSec has also reported multiple viral zero-day attacks on DeFi apps. BlockSec has collaborated with renowned applications like MetaMask, Compound, Cronos, Forta, Tokenlon, KeyStone, Gopius, and more. Their products include: (1.) Smart Contract Security Audit; (2.) Phalcon - Advanced DeFi transaction explorer: (3.) Mopsus - Pre-execution service to detect risky transactions; (4.) Rustle - Automatic static analyzer for smart contracts on NEAR; (5.) MetaDock - A browser extension for crypto users; (6.) MetaSleuth - Visualization and analysis tools for crypto funds.
Web3 Security Tools

MEW wallet
Take all of Ethereum with you in your pocket. Create your Ethereum wallet, buy and sell ETH and other crypto, swap and trade crypto tokens, hold, send and receive ERC-20, ERC-721, ERC-1155 tokens. Exchange crypto, stake crypto and earn rewards, browse the decentralized web, use DeFi and Web3 sites.
Web3 Wallets

Stackup
Stackup makes it easy for developers to use account abstraction and smart contract wallets to simplify blockchain for their users. Using Stackup's SDKs and EIP-4337 infrastructure, developers can create custom transaction experiences. Stackup enables gasless transactions, allows you to instantly create wallets for your users using social logins on any EVM blockchain, and lets you make any sequence of transactions one click.
Web3 Wallets

Sequence
Blockchain applications face a UX problem - they are difficult to use, especially for users with a non-crypto background. The Sequence SDK has plug-in features to make this experience much more seamless for users, including gasless transactions, batched transactions, and embeddable wallet solutions that are personalized to look like your application. It is very easy to implement into your existing dapp.
Web3 Wallets

BlockWallet
BlockWallet is your go-to Web3 wallet that prioritizes your privacy and security for complete control over your digital assets. Connect to your favorite DApps or add custom networks with ease. Move between different chains and assets using our built-in swaps and bridges, check gas fees and purchase cryptocurrencies directly within the wallet. Link up with your hardware wallet for secure holding, staking, or sending of your cryptos. BlockWallet offers versatility and convenience to meet all your cryptocurrency needs.
Web3 Wallets

Privy
Add beautiful authentication flows in minutes and serve every user, whether they have a wallet or not, across mobile and desktop. Stop wrangling brittle wallet connectors and worrying about whether your users are connected, to what chain, and with what wallet. With just a few lines of code, securely onboard all users, whether they have a wallet or not, and get back to focusing on your core product.
Identity Tools

OXORIO
OXORIO is engaged in cryptography, blockchain solutions, and DeFi projects. We prepare projects for audits and conduct thorough audits of smart contracts, assess the security of infrastructure, and identify vulnerabilities that could lead to data breaches, loss of funds, or other security incidents. Our services also include consultancy on architecture development, conducting code reviews, and performing blockchain analytics. We are trusted by 1inch, LIDO, Rarible, Shard Labs and more.
Web3 Security Tools

Router Protocol
Router Protocol is a cross-chain interoperability layer connecting different blockchains. Currently, Router Protocol's infrastructure is live on nine different EVM chains: Ethereum, BSC, Fantom, Polygon, Optimism, Arbitrum, Avalanche, Aurora, and Kava. Router Protocol's current offerings are: (1.) Flagship DApp: Voyager provides any asset to any asset cross-chain swap; and (2.) CrossTalk: Creates a communication layer for cross-chain smart contracts and enables use cases such as cross-chain lending, staking, etc. For more information, visit our docs!
DeFi Tools

deBridge
deBridge is a generic messaging and cross-chain interoperability protocol that enables anyone to build powerful cross-chain applications where value and messages flow seamlessly. The protocol is a secure infrastructure and framework for: (1.) cross-chain composability of smart contracts; (2.) cross-chain swaps between any assets with deSwap, one of the applications built on top of deBridge; (3.) bridging of any arbitrary asset and message in one transaction; (4.) interoperability and bridging of NFTs
DeFi Tools
Enkrypt
Your crypto should go where you do, so we built a wallet that is powerful and easy to use, looking toward the multichain future. Brought to you by MyEtherWallet, the same team that made Ethereum easy and secure to use since 2015. Enkrypt is a browser extension for easy access to the world of web3. Interact with Ethereum, Polkadot, Bitcoin and beyond - all directly in your browser. An open-source and non-custodial wallet that tracks no data, leaving you in complete control of your assets!
Web3 Wallets

Pentacle
Made for budding investors, researchers and contributors, Pentacle delivers real-time data on yield opportunities, audits, risk management, integrations, governance, treasuries, team members, jobs, grants and bounties. Using Pentacle, you can zoom in on a project, zoom out to compare – or take a voyage of discovery by following relations mapped through projects, people, skill levels and topics. You can also make a list of favorites, add private notes and trace your browsing history. Thus, Pentacle provides verified information, safe links and helpful learning tools in your crypto quest.
Infrastructure Tools

Holograph
Holograph beams digital assets across chains with complete data integrity using our novel Holographic Bridging process, resulting in a unification of the web3 ecosystem and liquidity
Infrastructure Tools

Planet IX
Planet IX is an NFT-based strategy game, and your goal is to restore a fallen planet to its former green-blue glory while uncovering its mysteries. The story is continuously expanding into a huge and immersive sci-fi metaverse, and the narrative is tailored towards bringing awareness of humanity's impact on the world of today. The Planet IX map consists of 1.6 billion PIX, all being individual NFTs that you can collect. The PIX are acquired using our own ERC-20 utility token called IX Token (IXT) which was launched on November 20, 2021. Today, the game has a dedicated community with high engagement, with 190k+ UAWs and 400+ million NFTs sold to date. As you progress in the game, you can form territories, develop new technology, raid other players, and gain ownership of in-game corporations with different functions and perks. Everything you collect has true ownership, and your mission is simple. Collect assets, use them wisely, and build the word of tomorrow.
Decentralized Games
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