Crypto Companies Directory

Discover 7,550+ innovative companies building the future of crypto and blockchain

All Companies

Showing 7105-7128 of 7,550 companies

Octane Security

Octane Security

Tools & Data

Octane is an AI-powered smart contract security platform that performs continuous vulnerability analysis on blockchain code before and during deployment. The platform integrates into CI/CD pipelines to identify potential exploits on each pull request, automatically generates code patches, and provides access to security experts for remediation support. The system analyzes smart contract code for vulnerabilities and provides real-time feedback throughout the development lifecycle.

Octus Bridge

Octus Bridge

Interchain Connectivity

Octus Bridge is a DAO-governed cross-chain bridge protocol that enables token transfers between Ethereum and other supported blockchains. It uses Everscale as a settlement layer to facilitate transactions. The protocol is designed with a decentralized architecture that relies on a network of relayers, with eligibility based on holding its native BRIDGE token. Governance decisions are executed through on-chain smart contracts. The project is open source and has undergone third-party security auditing. It is developed by Broxus, a blockchain development team associated with the Everscale ecosystem. The BRIDGE token serves governance and utility functions within the protocol.

Ocular

Ocular

Crypto Asset Management

Ocular is a crypto and Web3 investment fund managed by Openspace Capital, a multi-stage asset manager focused on Southeast Asia. The fund makes equity investments in early-stage crypto startups, token investments in early-stage crypto projects, and allocations into other crypto venture capital and hedge funds. Its team combines tech venture capital and data science backgrounds with deep roots in the crypto community, with a particular emphasis on Southeast Asian networks. Portfolio companies include Manta Exchange, and the fund publishes research on topics such as ZKApps, prediction markets, and Bitcoin infrastructure.

Odaily

Odaily

Media & Influencers

Odaily is a Chinese-origin blockchain and cryptocurrency news platform operating at odaily.news, providing news flashes, in-depth analysis, opinion pieces, and market data to crypto industry participants. The platform covers a broad range of topics including DeFi, NFTs, Web3 infrastructure, and on-chain market activity, with content organized into sections such as Pro research, trending topics, and community articles. It supports multiple languages including Simplified Chinese, Traditional Chinese, English, Japanese, Korean, Thai, and Vietnamese, targeting both retail and professional audiences across Asia and globally. Odaily also offers developer API access and an AI-powered skill tool, positioning it as a data and content resource for the broader crypto ecosystem.

Oddiyana Ventures

Oddiyana Ventures

Crypto Asset Management

Oddiyana Ventures is a venture capital firm that invests in and incubates blockchain-based projects across multiple sectors, including decentralized finance (DeFi), gaming, artificial intelligence, real-world assets and decentralized physical infrastructure networks (RWA/DePIN), and layer-1 protocols. The firm operates three primary engagement models: direct investments in portfolio companies, incubation programs for early-stage projects, and advisory services. Its investment approach has shifted over time, with earlier focus on gaming and DeFi projects transitioning toward emphasis on RWA/DePIN and AI-related ventures. The firm's portfolio includes infrastructure and protocol-layer projects such as WalletConnect Network, Peaq, Obol Collective, and Arcium, among others. The firm participates as deal lead in a portion of transactions it engages with.

OMNI Agency

OMNI Agency

Professional Services

OMNI Agency is a marketing firm based in Canada that provides services to cryptocurrency and blockchain projects. The agency operates through omniagency.ca and offers a range of service offerings including influencer marketing through a network of over 400 creators, search engine optimization for crypto-related and AI-driven queries, paid advertising utilizing on-chain targeting and crypto demand-side platform networks, social media management, community development, and token launch strategy. The team has approximately 20 years of combined experience in venture-backed startup environments. The agency works with cryptocurrency projects during token launch and growth phases, and maintains relationships within Web3 distribution channels to execute blockchain-focused campaigns.

OmniHub is a multichain NFT launchpad that enables creators to deploy and mint NFT collections across a wide range of EVM-compatible blockchains, including Base, Optimism, Monad, MegaETH, Soneium, Linea, and over a dozen others. The platform supports free and open-edition minting models, with tools for collection creation, exploration, and drops. Its core differentiator is broad multichain coverage from a single interface, reducing the friction of deploying NFTs on emerging and established chains alike. OmniHub is aimed at NFT creators and communities seeking low-cost, permissionless minting across the expanding EVM ecosystem, and also offers supplementary tools such as a faucet and a bridge and swap interface.

OneBullEx

OneBullEx

Centralised Exchanges

OneBullEx is a centralized cryptocurrency exchange providing spot and futures trading services. The platform is operated by OneMore Group and offers trading functionality through its primary domain onebullex.com, with a dedicated trading interface accessible at exchange.onebullex.com. The core technical offering includes a suite of automated trading bots called the 300 Spartans program, currently in beta, which execute algorithm-driven trading strategies. The platform provides mobile applications for iOS and Android devices to facilitate user access. OneBullEx implements an onboarding process designed for retail traders and operates incentive mechanisms that distribute USDT rewards based on user sign-ups and trading activity.

Onigiri Capital

Onigiri Capital

Crypto Asset Management

Onigiri Capital is a venture capital firm that invests in blockchain startups operating at the intersection of traditional finance and cryptocurrency. Its investment focus includes stablecoins, tokenization, payments, decentralized finance protocols, and blockchain infrastructure. The firm was established by Saison Capital, a division of Credit Saison, a financial institution based in Asia, providing access to institutional networks across the Asia-Pacific region. Onigiri supports portfolio companies through institutional introductions, market access in Asia, and brand visibility via its own platforms. The firm operates the ONCHAIN conference focused on real-world assets and blockchain, and co-operates the RWA Bento tokenization startup launchpad in partnership with Centrifuge. Onigiri Capital is headquartered in Singapore.

Ooga Booga

Ooga Booga

Decentralized Exchanges

Ooga Booga is a decentralized exchange aggregator that routes trades across multiple liquidity sources to optimize swap execution prices. The system operates on Berachain and Hyperliquid blockchains, aggregating liquidity from various on-chain sources to reduce slippage and improve trade execution quality. The platform functions as a multi-chain aggregation layer rather than a standalone automated market maker, directing user trades to the most favorable available liquidity pools across supported networks.

OPCAT_Labs

OPCAT_Labs

Blockchains

OPCAT Labs operates the OP_CAT Layer, a Bitcoin-native Layer 2 execution environment that enables smart contracts, trustless BTC bridging, and token standards through the OP_CAT opcode. The protocol is merge-mined with Bitcoin and employs quantum-resistant architecture, functioning as an execution layer rather than a sidechain or federated system. The ecosystem comprises several integrated components: a Chrome-based wallet (Catena), a BTC bridge for asset transfers, an automated market maker modeled on Uniswap V2 (SatSwap), a token launch platform (CatGo), and an NFT marketplace (Ordbit). All transactions settle using BTC-denominated gas fees. The system is designed for Bitcoin developers and DeFi participants requiring smart contract functionality while maintaining Bitcoin's security model.

Open Dollar is a DeFi protocol that allows users to borrow a stablecoin (OD) against liquid staking tokens as collateral, offering low-interest loans through collateralized debt positions (CDPs). A key differentiator is that its CDPs are represented as NFTs, making individual vault positions tradable on secondary markets without closing the underlying loan. The protocol targets holders of liquid staking tokens (LSTs) who want leveraged exposure or liquidity without selling their staked assets. It operates on-chain with supporting infrastructure including an auction mechanism, an earn/yield component, and a points/rewards system called Bolts.

Openfund

Openfund

Decentralized Exchanges

Openfund is an on-chain order-book spot-trading exchange built on the DeSo blockchain. It implements a limit order-book model executed entirely on-chain, rather than an automated market maker (AMM) architecture. The system enables price discovery through traditional order-book mechanics while maintaining non-custodial properties. Supported trading pairs include DESO/USDC, ETH/USDC, BTC/USDC, SOL/USDC, and community-issued tokens native to the DeSo ecosystem. The platform also functions as fundraising infrastructure, allowing projects to launch tradeable coin-backed rounds on DeSo. The exchange is affiliated with the DeSo blockchain.

OpenLoot

OpenLoot

Gaming

Open Loot is a blockchain-based gaming platform centered on Big Time, a multiplayer action RPG that enables players to collect and trade in-game digital assets as NFTs. The platform operates OL Chain, a gaming-optimized blockchain layer built on Base, which includes a native token ($OL) and dedicated block explorer. The ecosystem supports an integrated NFT marketplace for buying, selling, and trading in-game items. Open Loot is developing additional game titles, including Warcast, a strategy game, and distributes games through a downloadable launcher. The platform targets users interested in blockchain-based gaming and Web3 applications.

OpenTheta is a non-custodial NFT marketplace built natively on the Theta blockchain, enabling users to buy, sell, and showcase digital art and collectibles via smart contracts. The platform supports a range of NFT collections spanning digital art, event tickets, and branded collectibles from partners such as Olympique de Marseille and Theta EuroCon. It provides an Explore interface, portfolio view, and on-chain stats dashboard tailored to the Theta ecosystem. OpenTheta serves individual collectors, digital artists, and organizations seeking to mint or trade NFTs on the Theta network without relying on centralized intermediaries.

Opter

Opter

Decentralized Exchanges

Opter is a decentralized perpetual futures exchange that enables trading on over 110 cryptocurrencies and real-world assets with leverage up to 100x. The platform operates across multiple blockchain networks, allowing users to trade without requiring manual cross-chain transactions. The system includes a native token, OPTER, which serves utility and governance functions. OPTER is distributed through trading incentives, liquidity rewards, and protocol governance participation. An initial distribution mechanism allocates tokens based on early trading activity, establishing community participation in protocol governance from launch.

OraiDEX

OraiDEX

Decentralized Exchanges

OraiDEX is a non-custodial decentralized exchange operating within the Oraichain ecosystem. The platform enables cross-chain swaps between EVM and IBC-compatible networks through a single interface. Its architecture includes an automated market maker with liquidity pool staking functionality and futures trading capabilities. The native token ORAIX functions as a governance token, provides staking rewards, and participates in a mechanism called Co-Harvest that distributes stablecoin rewards without slippage. The exchange is accessible via mobile through the OWallet application. OraiDEX is developed by SmartML Incorporated and integrates with Oraichain, a Layer 1 blockchain focused on AI applications. ORAIX serves as the exchange's primary utility and governance token.

Orangefin Ventures is a non-custodial staking service provider operating validator nodes on Solana and Gnosis, with approximately $105 million in total assets staked across those two networks. The company runs its own ASN (autonomous system number) to contribute to network decentralization, and holds ISO 27001 certification for information security. It offers a 0% commission Solana validator consistently ranked among the highest-yielding on the network, serving both retail stakers via popular wallets (Phantom, Solflare, Backpack) and institutional clients requiring white-glove support. Orangefin Ventures was acquired by SOL Strategies in December 2024, positioning it as part of a broader Solana-focused infrastructure and liquid staking ecosystem.

OrangeX

OrangeX

Centralised Exchanges

OrangeX is a centralised cryptocurrency exchange offering spot trading, USDT-margined perpetual futures with up to 200x leverage, copy trading, and earn products including flexible simple earn and dual-asset investment. The platform is supported by over 50 market-making teams and claims a 1,000 BTC insurance fund, targeting both retail traders and those seeking passive yield on crypto holdings. Its product suite covers a broad range of assets including major tokens such as BTC, ETH, and SOL, as well as smaller altcoins. The exchange has obtained regulatory licences in at least one jurisdiction, though the specific country of headquarters is not clearly disclosed on the site.

Orbit Chain

Orbit Chain

Interchain Connectivity

Orbit Chain is a cross-chain blockchain project built around its Orbit Bridge, which enables asset and data transfers across multiple heterogeneous blockchain networks. The protocol operates its own chain with a governance token (ORC) that holders use for on-chain voting, staking, and delegation to shape protocol decisions. Orbit Bridge supports connections to networks including XRP and a range of EVM and non-EVM chains, with a validator set drawn from partner organizations.

Ordinals Wallet is a non-custodial wallet and marketplace for Bitcoin-based digital assets, built on the Bitcoin Ordinals protocol. The protocol enables digital artifacts to be inscribed directly onto individual satoshis. The platform supports receiving, storing, listing, buying, and selling Ordinals inscriptions, as well as Runes and TAP metaprotocol tokens through a unified interface. Core features include an inscription tool for creating new assets, onchain galleries for displaying collections, a creator dashboard for asset management, and open-source rendering utilities compatible with collections such as Bitmaps and NATCATs. The wallet operates as a non-custodial system, allowing users to maintain direct control of their private keys and assets. The platform is designed to serve both collectors and creators participating in the Bitcoin NFT ecosystem.

Osero

Osero

DeFi

Osero is a stablecoin yield infrastructure platform built on the Sky ecosystem. It provides two primary products: Osero Earn, a software development kit enabling developers to integrate stablecoin savings functionality into applications using the Sky Savings Rate (sUSDS), and Osero Foundry, a toolkit for tokenizing, deploying, and managing institutional assets through the Sky Agent Network. The platform is designed for fintech developers, neobanks, and institutional entities that require stablecoin yield integration without developing their own decentralized finance infrastructure. Osero operates as an ecosystem agent within the Sky network and is incubated by Stablewatch.

OShield

OShield

Professional Services

OShield is a smart contract security firm that provides audits, penetration testing, reverse engineering, and code analysis services for blockchain protocols. The firm operates primarily within the Solana ecosystem and serves DeFi protocols, NFT platforms, and Web3 infrastructure projects. Its methodology includes simulated attack scenarios, code deconstruction, and architecture reviews to identify vulnerabilities. The firm's service offerings cover both pre-launch and ongoing security assessments for client projects.

Osprey Funds

Osprey Funds

Crypto Asset Management

Osprey Funds is a US-based digital asset management firm that offers publicly traded grantor trusts and private placement vehicles providing regulated exposure to cryptocurrencies including Bitcoin, Solana (OSOL), BNB Chain (OBNB), Polkadot (ODOT), and Bonk (OBNK). Its products are structured so that investors can access crypto through standard brokerage accounts or IRAs, without directly holding or managing private keys. The firm targets retail and institutional investors seeking a familiar, regulated wrapper around single-asset crypto exposure. Osprey has also partnered with REX Shares on ETF products, including the REX-Osprey DOGE ETF, expanding its product line beyond grantor trusts into the exchange-traded fund structure.

Page 297 of 315 (7,550 companies)