Crypto Companies Directory

Gray Wolf is a blockchain intelligence company providing on-chain and off-chain analytics, transaction monitoring, and investigative services to virtual asset service providers, governments, and law enforcement agencies. Its product suite includes the Gray Wolf Terminal (an investigations and analysis platform), a Transaction Monitoring API, a Watchlist Screening API, and the StaySafeCrypto threat detection platform. The company supports over 30 blockchains and offers transaction graph analysis, entity recognition, cross-chain asset tracing, and counterparty risk evaluation. Gray Wolf also provides custom tooling, compliance reporting systems, and specialized investigation services for complex blockchain activity. The company is a Circle Alliance Program partner, indicating integration with regulated stablecoin infrastructure.

Green Wallet is an open-source, non-custodial mobile wallet application designed for the Chia (XCH) blockchain network. The wallet supports CAT2 tokens and NFT1 standards. Private keys are stored locally on the device and are not transmitted to external servers. The application provides push notifications for incoming and outgoing transactions. Green Wallet integrates with ecosystem tools including Dexie DEX, TibetSwap, and Mintgarden NFT marketplace. The project issues its own token (GWT), which is tradeable on Chia-native decentralized exchanges. The application is available on Android via Google Play and serves as a mobile-first alternative to the official Chia desktop client.

Greenfield Capital (formerly Greenfield One) is a European venture capital firm focused exclusively on early-stage crypto and blockchain investments. The firm backs developer teams building decentralized web infrastructure, including Layer 1 and Layer 2 protocols, Web3 tooling, and related ecosystem projects. Its investment thesis centers on long-term support for open, decentralized internet architecture, targeting founders at the earliest stages of company formation. Greenfield operates from Germany and publishes research through its newsletter and Medium channel, positioning itself as a thesis-driven crypto-native investor rather than a generalist fund with a crypto allocation.

GSR Markets is a crypto-native trading firm and market maker operating across spot and derivatives markets, providing liquidity, OTC trading, and risk management services to institutional clients and crypto projects. The firm acts as a market maker on major centralized and decentralized exchanges, offering programmatic liquidity and structured products. GSR is known for working with token issuers, exchanges, and institutional counterparties seeking deep liquidity and execution services in digital assets. It is frequently cited alongside firms like Wintermute and Cumberland as a core infrastructure provider for crypto market liquidity.

GTE is a non-custodial decentralized exchange built on the MegaETH blockchain. The platform operates a central limit order book (CLOB) architecture designed to process orders with specified throughput and latency characteristics. GTE enables trading of multiple asset classes, including cryptocurrencies, equities, and commodities, from a single user account. The system supports leveraged trading in both long and short positions across these asset types. The exchange employs multiple sequencers positioned at major price-discovery venues globally to optimize execution quality and order routing. The platform is currently operational on testnet.

Guavy is a Calgary-based company that provides real-time cryptocurrency market intelligence via a data API, web app, iOS mobile app, and an AI-curated news feed called Guavy Wire. The platform delivers sentiment scores, trend signals, and buy/sell/hold alerts for over 350 coins, drawing on more than five years of historical data. A key technical differentiator is native Model Context Protocol (MCP) support and an llms.txt endpoint, enabling large language models and AI agents to query live crypto data with minimal integration effort. The product serves three primary audiences: individual traders seeking signal-based alerts, developers and AI agent builders integrating crypto data into automated workflows, and institutional funds augmenting quantitative models with sentiment data via a commercial API license.

HAPI Protocol is a decentralized on-chain security and compliance protocol that provides anti-money laundering screening, wallet risk scoring, and FATF-compliant reporting across multiple blockchains through a unified API interface. The protocol includes a transaction visualization tool for tracing fund flows, an aggregated database of smart contract audit results, automated token security evaluation against 23 defined criteria, liquidity pool monitoring functionality, and a crowdsourced system for collecting malicious address data. The platform serves decentralized finance protocols, decentralized exchanges, centralized exchanges, and cryptocurrency wallet providers that require detection and prevention of money laundering, automated bot activity, and other on-chain threats. HAPI offers tiered access plans for API and terminal usage, with the HAPI token functioning as the native protocol asset.

Harbour Industrial Capital is a crypto-focused venture capital and liquid fund manager investing in Web3 and decentralised AI startups. The firm operates two funds, HIC Fund I (launched 2021) and HIC Fund II (launched 2025), with a combined portfolio of over 25 companies concentrated in the Polkadot ecosystem and broader Web3 infrastructure. Portfolio holdings include Polkadot, Peaq Network, Mandala Chain, and Mythical Games, reflecting a focus on layer-1 blockchains, DePIN, enterprise blockchain, and gaming. The firm is based in Hong Kong and co-founded by Max Rebol and Mario Altenburger, who bring backgrounds in traditional finance from Deutsche Bank, Morgan Stanley, and Bank of China.

Hash3 is a crypto-native venture fund that invests in pre-seed and seed-stage blockchain companies and protocols globally. It participates in early funding rounds by leading, co-leading, or taking part in investments, with check sizes ranging from $250,000 to $1,000,000. Its investment approach is based on principles associated with decentralization, including immutability, trust minimization, censorship resistance, and token economic design considerations.

Hash Global is a digital asset investment management firm that connects institutional capital with Web3 ecosystem opportunities across primary markets, secondary markets, and project incubation. The firm operates a BNB Yield Fund focused on institutionalizing the BNB ecosystem, alongside venture-style investments in over 90 portfolio companies spanning Web3 infrastructure, financial and payment protocols, and commercial Web3 applications. Its target clients are institutional investors and high-net-worth individuals seeking structured exposure to digital assets through fund products and yield strategies.

HashHub Lending is a cryptocurrency lending service operated by SBI Digital Finance Inc., a subsidiary of the SBI Group. The platform enables users to deposit BTC, ETH, DAI, and USDC and receive monthly interest payments on their holdings. Deposited assets are deployed across arbitrage, lending, staking, and decentralized finance strategies to generate returns. Interest accrues monthly and is automatically compounded into the principal balance on the first day of each month. The service implements security measures including BitGo custody for asset storage, two-factor authentication for account access, whitelist-only withdrawal functionality, and multi-signature protocols for fund management. Users must complete know-your-customer verification to open accounts. Withdrawal requests are subject to a lock-up period that extends through the second month-end following the request date. The platform is designed for retail investors in Japan seeking yield on cryptocurrency holdings.

HashHub Research is a Japanese-language subscription platform that publishes analyst reports on cryptocurrency and blockchain topics including DeFi, Ethereum, Solana, NFTs, stablecoins, and macroeconomic factors affecting digital assets. The platform segments content by audience type: investors, enterprises, and beginners. Articles are offered through a dual-access model consisting of free content and paid Pro tier subscriptions. HashHub Research operates as part of HashHub, a blockchain company based in Tokyo. The platform distributes content through partnerships, including arrangements where partner organizations such as SBI VC Trade provide access to research reports to their users without direct charge. Published reports have covered topics such as tokenomics proposals for specific blockchain networks, currency market dynamics, and central bank digital currency frameworks.

Hashrate Index is a Bitcoin mining data and research platform operated by Luxor Technology, providing metrics such as the Bitcoin Hashprice Index, ASIC Price Index, network hashrate, difficulty projections, and mining stock prices. Its flagship Hashprice metric quantifies expected USD and BTC rewards per petahash or terahash, updated in real time. The platform serves Bitcoin miners, ASIC traders, and institutional participants seeking to benchmark mining economics and equipment valuations. It also publishes editorial content including weekly roundups, regional mining landscape reports, and firmware case studies, making it a combined data and media resource for the proof-of-work mining industry.

Hata is a centralized cryptocurrency exchange that enables users to buy, sell, and trade crypto assets against fiat currencies, regulated by the Labuan Financial Services Authority. The platform offers spot trading, instant buy/sell, OTC services, auto-invest (recurring purchases), and staking with automatic reward distribution, including Solana staking. It is available via mobile apps on iOS and Android and supports multiple languages including English, Simplified Chinese, and Bahasa Malaysia, suggesting a Southeast Asian focus. The exchange raised a $4.2M seed round in October 2024 and has recently launched new tokens and a PnL portfolio tracking feature.

Haun Ventures is a venture capital firm focused exclusively on crypto and decentralized technology, backing founders from seed stage through scale. The firm concentrates on stablecoins, cross-border payments, and the broader infrastructure enabling the next generation of financial systems. Its portfolio includes companies like XFX, a foreign exchange startup bridging cash and stablecoins. Haun Ventures also publishes research and commentary on crypto policy and market developments, including pieces on U.S. financial innovation and stablecoin adoption.

Hazza Network is a decentralized payment infrastructure layer designed to unify the fragmented global payments landscape by bridging traditional financial networks with blockchain technology. Leveraging proven enterprise technology from OCTO3, the network provides an open API and smart contract framework that allows merchants, acquirers, and cryptocurrency service providers to interact within a single, frictionless ecosystem. By automating settlement, compliance, and registry functions on-chain, Hazza aims to reduce intermediary fees and expand financial access for both legacy payment schemes and emerging digital assets worldwide.

Heatbit manufactures Bitcoin mining heaters designed for residential use that function as space heaters. The product line consists of four models: Trio, Maxi, Maxi Pro, and Canvas, representing entry-level through flagship configurations. Each unit integrates ASIC mining hardware that generates heat as a byproduct of computational work. The system architecture converts electrical energy consumed during mining operations into thermal output for home heating. The design principle operates on the basis that 100 percent of input electrical energy is released as heat, allowing users to conduct Bitcoin mining while simultaneously meeting heating requirements. The company is headquartered in New York City with manufacturing operations in South Korea. The products are designed for residential consumers who seek to integrate mining operations with existing heating infrastructure.

Hedgehog Protocol is a decentralized binary options prediction market focused exclusively on blockchain-native metrics such as base fees, priority fees, and funding rates. Users bet on whether a given on-chain metric will move up or down within short, recurring settlement windows, with transparent on-chain resolution and real-time odds. The protocol's modular architecture allows any measurable on-chain cost or metric to be turned into a liquid market, distinguishing it from prediction markets that focus on real-world events. It targets crypto-native traders and DeFi users who want high-frequency, on-chain exposure to the economic variables that govern blockchain ecosystems. The smart contracts have been audited by ChainSecurity.

Hemi Labs operates a Bitcoin-focused decentralized finance layer that enables the deployment of native BTC into yield-generating strategies without token wrapping or custody transfer. The protocol integrates Bitcoin security with Ethereum-compatible programmability, supporting on-chain execution of yield strategies while maintaining compliance and full asset ownership. The system is designed for institutional Bitcoin holders seeking regulated and transparent yield infrastructure. The platform architecture includes yield and DeFi products with transactions secured by Bitcoin consensus mechanisms.

HEX is an Ethereum-based token that functions as a certificate-of-deposit protocol. Users lock tokens for periods ranging from 1 to 5,555 days to earn staking rewards. The system operates through an immutable smart contract with no admin keys or central governance entity. Staking rewards are minted directly on-chain by users without intermediaries. Reward amounts scale with lock-up duration, and a portion of penalties from early stake exits is redistributed to active stakers. The protocol launched in 2019 and also exists on PulseChain, a separate layer-one blockchain. The smart contract has undergone three independent audits. The design targets users seeking on-chain yield generation without custodial or third-party platform dependencies.

Hexens is a blockchain and smart contract security audit firm that provides assessments of Web3 infrastructure components, including smart contracts, zero-knowledge circuits, cryptographic primitives, layer 1 and layer 2 blockchains, and centralized exchanges. The firm employs a methodology in which two independent senior engineering teams conduct parallel reviews of each engagement before consolidating findings. Service offerings include AI and machine learning security assessments, application and network penetration testing, security consultancy covering architecture review and threat modeling, and proprietary tooling development. The firm has completed audits across multiple protocols including EigenLayer, Lido, Polygon, zkSync, LayerZero, and Avalanche.

Hibachi is a high-performance decentralized exchange (DEX) engineered for professional and institutional perpetual futures trading. The platform utilizes a sovereign rollup architecture built on Celestia’s data availability layer to deliver microsecond-level execution speeds comparable to centralized exchanges. By combining an off-chain central limit order book with on-chain zero-knowledge (ZK) proofs, Hibachi ensures that all trades are publicly verifiable while maintaining absolute privacy for individual positions and trading flows. This innovative design allows participants to trade with "lightning speed" without exposing sensitive strategies to the public blockchain.

Hibit is a cryptocurrency asset trading platform operating in Canada that enables retail users to purchase and sell Bitcoin and Ethereum. The platform maintains a minimum of 80% of customer assets in cold storage with insurance coverage. It provides mobile applications for iOS and Android devices. Hibit is registered with FINTRAC as a Money Service Business and holds approvals from the British Columbia Securities Commission and Canadian Securities Administrators across Canadian provinces and territories. Based in Vancouver, BC, the platform serves Canadian retail investors through a regulated custodial exchange model with continuous customer support operations.

Hidden Road is an institutional prime brokerage, clearing, and financing platform that serves hedge funds, asset managers, and other institutional clients operating across traditional and digital asset markets. The platform provides prime brokerage services for foreign exchange, precious metals, and digital assets, along with synthetic over-the-counter swaps through its Route28 offering. Additional services include derivatives clearing, sponsored access, and margin financing for digital assets. The system operates on a unified, quantitatively-driven risk management infrastructure capable of functioning across multiple trading venues and asset classes concurrently. The platform operates under a conflict-free model designed to prevent competition with clients and to avoid holding financial interests in counterparties or trading venues.