Crypto & Web3 Startups

Circuit is a security response platform for digital assets that automatically moves or sweeps crypto assets to pre-approved vaults when wallets are compromised, inaccessible, or systems fail. Aimed at institutions, it connects to wallet stacks such as MPC, Multisig, and HSM without holding users' private keys.

1 investor

OpenLoot is a marketplace and platform for buying, selling, and trading digital gaming items and tokens, connecting players with blockchain-based games and their in-game assets. It serves gamers and collectors within the Web3 gaming ecosystem.

1 investor

OpenReserve is a blockchain-native digital bank, conditionally approved by the OCC to charter a national bank, combining banking and broker-dealer functions on a unified ledger. It issues the ReserveUSD (rUSD) stablecoin and offers an API-driven core banking platform for institutions, corporate treasurers, and CFOs to access capital markets and tokenized deposits.

1 investor

OpenWallet is a non-custodial crypto wallet that combines multiple financial tools in one app, supporting cross-chain transactions across Bitcoin, Ethereum, and Solana along with DeFi, NFT, and dApp access. It uses MPC technology and biometric protection instead of seed phrases, targeting mainstream consumers with no prior crypto experience.

1 investor

OpenWorld designs and deploys token ecosystems and enterprise real-world asset (RWA) infrastructure, handling legal structuring, tokenomics, exchange listings, market-making, custody, and post-launch treasury for token and RWA issuers. It serves sovereign, enterprise, and institutional clients, including a licensed entity operating under Saudi Arabia's SAMA and CMA frameworks.

1 investor

OpenDelta is a modular, API-first framework for creating, operating, and distributing onchain financial products, covering issuance, day-to-day operations, and distribution across primary and secondary markets. It serves asset managers, fintechs, treasuries, and research brands looking to bring investment strategies onchain and grow AUM in DeFi capital markets.

1 investor

OpenPeer is an open peer-to-peer protocol on Ethereum and EVM-compatible chains (including Polygon, Binance Smart Chain, and Optimism) that lets users buy and sell crypto for fiat directly from self-custody wallets like MetaMask and Trust Wallet. It also offers an SDK for wallets to add a P2P fiat on/off ramp for their users.

1 investor

OpenSquare is a blockchain-focused development team building products for the decentralized/Web3 ecosystem. The company works on front-end infrastructure tooling and web and mobile applications within the crypto space.

1 investor

Openverse Network is building blockchain infrastructure for a "value internet," including protocols for cross-chain value transfer, naming, unified identity, inter-blockchain communication, and an EVM-compatible operating system for running public, consortium, and private chains. It serves developers and institutions who want to build or migrate decentralized applications and interoperate across blockchains.

1 investor

Openware develops cryptocurrency exchange software, providing scalable and customizable trading platforms for enterprises entering the digital asset market. The company builds blockchain-based exchange solutions and has launched over 150 crypto and fintech projects worldwide since 2009.

1 investor

Openwealth provides middleware that connects blockchains to the core infrastructure financial institutions use — book of record, order management, onboarding, KYC/AML, reporting and billing — so tokenized funds, crypto, and digital securities operate within existing systems. It serves financial institutions managing both tokenized and traditional holdings.

1 investor

opinions.fun is a Solana-based platform where users create and trade opinion markets, letting people launch markets around questions, trending topics, and viral opinions. It operates in the crypto/prediction-market space with features for profiles and rewards.

1 investor

Opium is a Web3 protocol for creating, trading, and settling on-chain derivative products such as options and structured products, with a Request For Quote system for aggregating market-maker liquidity. It targets experienced DeFi professionals and lets users build custom derivatives, provide liquidity to earn yield, or hedge risk, and is governed by a token-holder DAO.

1 investor

Optim Finance develops financial products and services on the Cardano blockchain, a proof-of-stake network focused on decentralized finance and web3 innovation.

1 investor

A Japanese-language affiliate comparison site that ranks and reviews overseas cryptocurrency exchanges by fees, number of listed tokens, leverage, bonuses, and Japanese-language support. It targets Japanese retail crypto traders looking to use foreign exchanges, providing referral links and sign-up bonus information.

1 investor

ORAO offers a data rating system that uses neural networks to assess data quality and protect buyers from malicious data.

1 investor

Orb is a web3 social mobile app for discovering and engaging with web3 content and communities. It is available on iOS and Android.

1 investor

Orbit is a trading firm focused on FX derivatives and options, with expertise in market making, risk management, and quantitative strategies. Founded by former Deutsche Bank FX derivatives specialists, it also holds crypto-asset compliance credentials.

1 investor

Orbofi builds AACs (agentic AI coins), tradable crypto tokens with autonomous AI-agent capabilities that users can launch from a single prompt to perform tasks like productivity, search, and DeFi. Each agent runs in its own isolated sandbox environment and generates trading fees for its creator.

1 investor

ORBT is a modular blockchain protocol presenting a "Unified Liquidity Layer" and a yield-earning product called the ORBT Module. The page offers minimal detail beyond its positioning as a crypto yield protocol.

1 investor

Origino provides blockchain-based tokenized traceability for supply chains, using non-fungible tokens (NFTs) to create digital identities for productive assets. It also offers document verification, deforestation-free certification, and access to insurance and financing for supply chain companies and producers.

1 investor

Oriole Insights is a crypto price-prediction platform in a gamified format where users vote on expected token price movements and earn its native ORI token for daily predictions and social activity. It aggregates community sentiment about crypto projects, providing analytical dashboards, prediction accuracy tracking, and rankings of top predictors.

1 investor

Orion Finance provides infrastructure for portfolio management on blockchain, enabling asset managers to deploy strategies and execute trades across decentralized finance while maintaining privacy, and allowing investors to verify performance on-chain in real time.

1 investor

ORO AI operates an open benchmark and evaluation platform for shopping agents, where developers submit agents that independent validators test against daily-changing tasks, with results feeding back as training data. It serves builders of agentic commerce systems.

1 investor