Arthur Hayes
Angel Investor
Essex, United States
Arthur Hayes is a seed investor in Essex focused on Blockchain and Cryptocurrency. Arthur Hayes is based out of Hong Kong, Hong Kong Island and is the Advisor of Upexi. Arthur previously worked at BitMEX as a CEO. Arthur Hayes attended the University of Pennsylvania.
- Total investments:
- 10
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Arthur Hayes invests in
Stages Arthur Hayes invests in
Countries Arthur Hayes invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $2.5M–$14M
Investment Focus
Industry
- Blockchain 5 (50%)
- Cryptocurrency 5 (50%)
- Web3 2 (20%)
- Bitcoin 2 (20%)
- Financial Services 2 (20%)
Stage
- Seed 6 (60%)
- Funding Round 2 (20%)
- Pre-Seed 1 (10%)
- Venture - Series Unknown 1 (10%)
Country
- United States 4 (40%)
- Portugal 1 (10%)
- Switzerland 1 (10%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Superform is a non-custodial yield marketplace. The protocol enables access to Erc-4626 vaults using any Evmchain. | $3M / Dec 12, 2024 | ||
| Cytonic is a multi-virtual-machine blockchain. Cytonic is compatible with blockchains such as Bitcoin, Ethereum, and Solana. | $8.3M / Seed / Nov 07, 2024 | ||
| Nillion is a computer and network security company that provides node operation that signifies implications for data, security, and privacy. The company decentralized public network based on a new cryptographic primitive called Nil Message Compute (NMC). | $25M / Oct 30, 2024 | ||
| Infinit is the DeFi Abstraction Layer that removes the enormous friction associated with creating and scaling DeFi ecosystems. | $6M / Venture - Series Unknown / Sep 12, 2024 | ||
| Time.fun enables creators to tokenize and sell their time and allows creators to monetize direct interactions such as messages or calls. | $3M / Seed / Aug 29, 2024 | ||
| BSX is a trading company that offers specializes in options and perpetual futures trading. | $4M / Seed / Aug 21, 2024 | ||
| Khalani has developed the world's first decentralized solver platform, which seeks to improve the web3 user experience through a multi-chain collaborative solution network. The platform significantly decreases the cost of creating and operating solvers. | $2.5M / Seed / Aug 07, 2024 | ||
| JUICE Finance is a VC-funded DeFi application that empowers users to borrow and lend against both their Real World and Digital Assets. The company creates the middleware and infrastructure for the collateralization of fixed-income assets, enabling institutions the opportunity to enhance their yield through DeFi and on-chain lending activity in acapital-efficient and compliant manner.It was founded in 2023 by Wes Cowan and Eric Ryklin and is located in Miami, Florida. | Seed / Mar 19, 2024 | ||
| Oyl offers customers access to the latest trading tools in a single application. Oyl additionally provides an eponymous browser-based wallet enabling inscription swapping within the wallet. | $3M / Pre-Seed / Mar 07, 2024 | ||
| Ethena provides a synthetic dollar protocol on the Ethereum blockchain that supports a crypto-native form of digital money. The protocol issues USDe, a synthetic dollar backed by crypto assets and short futures positions, using delta hedging to maintain stability relative to the US dollar. Ethena also introduces sUSDe, a yield-bearing version ofUSDe that allows holders to stake their assets and earn returns from protocol operations. In addition, the platform includes a governance token, ENA, which enables participation in decisions on risk management, integrations, and updates. Ethena integrates with both decentralized and centralized finance platforms, offering transparency and tools that support ecosystem composability. | $14M / Seed / Feb 16, 2024 |
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FAQ
What does Arthur Hayes invest in?
Arthur Hayes invests primarily in Blockchain, Cryptocurrency and Web3 startups, most often at Seed and Funding Round stage. Most of the 10 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Arthur Hayes's check size?
Arthur Hayes typically joins rounds of $2.5M–$14M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Arthur Hayes participates in.
How do I contact Arthur Hayes?
Public channels for Arthur Hayes include LinkedIn, the website linked on this profile and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Arthur Hayes last invest?
The most recent investment recorded for Arthur Hayes closed in Dec 2024. Shizune tracks 10 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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