Crypto & Web3 Startups
3,916 companies tagged Crypto & Web3, with their investors and founders.
NuConstruct is a decentralized platform that provides infrastructure and tools for trading and decentralized applications (DApps) on Ethereum and BNB Chain.
1 investor
Nudge is an onchain platform that pays users rewards for reallocating their crypto tokens across categories such as L1s, L2s, stablecoins, and restaking. It operates without custodial vaults or lockups, offering transparent onchain rewards claimable after a set period.
1 investor
NULS is an open protocol foundation and modular framework for building customizable blockchain networks, letting builders and communities define their own consensus, execution, cryptography, and governance. It provides tools such as ChainBox for chain creation, a Rust-based testnet with AIPOW consensus, and NULS Explorer, while exploring zero-knowledge privacy, post-quantum cryptography, and multi-VM execution.
1 investor
Nuvanté Technologies operates a clearing and settlement platform for stablecoins, tokenised deposits, and digital payments, anchoring settlement in central bank money to provide legal finality and remove commercial bank credit risk. It serves regulated financial institutions such as treasuries, exchanges, banks, and stablecoin issuers.
1 investor
OANDA is a foreign exchange broker offering online leveraged trading in forex and other off-exchange margin products, including virtual currencies, through its fxTrade platform. It operates as a registered Futures Commission Merchant and Retail Foreign Exchange Dealer serving retail forex traders.
1 investor
Obex incubates institutional-grade stablecoin projects, operating a $2.5B mandate to bring diversified yield to the Sky Ecosystem. It focuses on the stablecoin and decentralized finance space.
1 investor
Obita offers an enterprise treasury platform for businesses to manage both fiat and stablecoin balances in one place, supporting unified collections, payouts, automated reconciliation, and real-time treasury visibility across multiple currencies and channels. It targets enterprises handling global payments and cross-currency settlement.
1 investor
OCEAN is a Bitcoin mining pool, relaunched from the earlier Eligius pool, offering a transparent and non-custodial model where miners receive block rewards directly and can see block templates and transactions they mine. It plans to decentralize block template construction using Stratum V2 and add Lightning-based payouts for small miners.
1 investor
OffChain Global is a Web3 professional community with chapters in seventy cities, hosting virtual and in-person events such as meetups, panels, and conferences. It serves blockchain industry professionals and newcomers seeking to build their network, find jobs, or learn about the space.
1 investor
The site publishes informational guides on how to sign up at crypto casinos, covering platform selection, wallet setup, account registration, KYC verification, and deposits using cryptocurrency. It functions as a content/guide resource for online crypto gambling rather than an operating product.
1 investor
Ojamu is a Web3 B2B platform that uses AI and machine learning to give brands automated marketing solutions, insights, and real-time blockchain data recommendations across NFT, blockchain gaming, and metaverse ecosystems. It also offers a ChatGPT-4-integrated B2C tool that scans Web2 and Web3 social channels and communities to surface insights ("Alpha") on new Web3 projects, companies, and tokens.
1 investor
Ojo Network is a risk management network for decentralized finance (DeFi), using risk engines that monitor protocol health and dynamically adjust collateral values in real time to help prevent liquidation cascades and bad debt. Through Ojo Markets, it offers hedging tools for capital allocators, including a product called Turbine.
1 investor
OKcontract Labs builds Chainwall, an onchain security layer that stores approval rules and allowlists in smart contracts and verifies that a submitted transaction's function, arguments, account, and operator match an approved action before execution. It targets treasury, protocol, vault, and smart-account teams, and also develops supporting tooling including the Cells dataflow runtime and the LambdaScript/MiniScript languages.
1 investor
Nomina is a unified trading terminal for perpetual future decentralized exchanges (perp DEXs) that lets DeFi users run and automate advanced cross-exchange trading strategies. It synchronizes the opening and closing of positions across multiple exchanges, monitors position health, and tracks profits from a single interface.
1 investor
Onboard is a cross-border payments provider for African and global businesses that lets them collect, pay out, and hold both fiat and stablecoin balances without needing a foreign entity. It offers a self-serve business app, an API for fintechs building payout and multi-currency infrastructure, and an OTC desk with locked FX rates for large trades.
1 investor
Onchain Heroes is building a connected universe of blockchain-based games sharing the same characters and stories, starting with a roguelite dungeon crawler called Maze of Gains. Its games are designed for incremental, player-driven progression with ongoing content updates.
1 investor
ONE.io provides financial services for a global business and institutional client base, offering multi-currency business accounts, global payments, and spot FX alongside crypto trading, conversion, and payment processing. Founded in 2017 as an OTC digital asset trading desk, it holds a payment institution license from the FCA and operates through a network of banking partners.
1 investor
ONE is a checkout and payment platform for creators and solo entrepreneurs selling digital products such as ebooks, courses, downloadables, and 1:1 sessions. It lets buyers pay in local currency (via bank transfer, Pix, PSE, SPEI) or crypto while the seller receives USDC in a self-custodial wallet, serving markets across Latin America.
1 investor
OnePiece Labs is a web3 accelerator and venture program that supports early-stage founders building crypto, AI, and Web3 infrastructure and applications, running themed cohorts with partners such as Solana, 0G, and Camp Network. It offers mentorship, grants, investor connections, pitch events (Pitch Dojo), and conferences (OnePieceCon), with an offline community based in the San Francisco Bay Area.
1 investor
OnFinality provides enterprise-grade Web3 infrastructure services including RPC endpoints, blockchain indexing, and dedicated nodes for developers and enterprises building on multiple blockchain networks. The platform abstracts away blockchain DevOps complexity to enable teams to scale applications across 130+ supported networks.
1 investor
OPEN provides blockchain-based ticketing infrastructure that has issued onchain tickets for events ranging from stadium concerts to major sports events, aiming to reduce ticket scalping and fees. Its ecosystem is powered by the OPN token, which integrators use to issue tickets and which supports a Ticketing Revolution DAO governed by token stakers.
1 investor
Ontology is a blockchain platform that provides decentralized identity (DID) solutions, smart contract capabilities, and interoperable infrastructure for Web3 applications. The platform serves developers and enterprises building blockchain systems, offering tools like the EVM, Layer 2 scaling, staking mechanisms, and identity verification services.
1 investor
Onyx is a mobile app offering social sports predictions and daily fantasy-style player and team picks, plus trading in 500+ crypto tokens and markets on culture and politics. It serves US-based players and is available across 30+ states, with crypto trading rolling out in the US.
1 investor
Opacity Labs offers a one-time, bank-grade KYC identity product intended to give global investors access to capital markets, and references SEC exemptive relief for AMM trading of tokenized securities. The company operates at the intersection of financial services, identity verification, and blockchain-based securities.
1 investor






