# Justin David Blau

> Justin David Blau is a seed investor at Royal (New York) backing Blockchain and Music. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Royal](https://shizune.co/investors/profile/royal-2e65)
- Location: New York, United States
- Total investments: 13
- Last investment: Jan 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/3lau
- X (Twitter): https://twitter.com/3LAU
- Website: https://x.com/3LAU
- Facebook: https://www.facebook.com/Justin3lau

Justin David Blau is a seed investor at Royal in New York focused on Blockchain and Music. Justin David Blau, better known by his stage name 3LAU, is an American DJ and electronic dance music producer.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $5.1M–$450M |
| Series A | $11M–$40M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 5 | 38% |
| Music | 4 | 31% |
| Cryptocurrency | 4 | 31% |
| Apps | 3 | 23% |
| Artificial Intelligence | 3 | 23% |

27 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 7 | 54% |
| Series A | 4 | 31% |
| Funding Round | 1 | 8% |
| Venture - Series Unknown | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Noise Labs | Noise Labs offers a programmatic liquidity platform for people to trade trends and narratives as assets. | $7.1M | Seed | Jan 14, 2026 |  |
| Music AI | Music AI is a software development company that provides artificial intelligence solutions for music and audio technology. | $40M | Series A | Jan 22, 2025 |  |
| Metalink | Metalink is a private chat app that provides NFT collection. They also offer the punk owners to find and chat with other verified holders by simply connecting their wallet. | $6M | Seed | Mar 15, 2023 |  |
| Kits.AI | Kits is backed by the best in music and tech, including Andreessen Horowitz (a16z), WndrCo, Electric Feel Ventures (EFC), 1Confirmation, Steve Aoki, 3LAU, Lionel Richie, Wyclef Jean & more.Experts in AI audio-to-audio conversion, Kits enables producers to change their vocal tracks into any voice they can dream of. With over 4,000,000 usersleveraging a 100% compliant AI IP audio library, custom voice cloning, stem splitting, and a host of other AI audio tools, Kits is revolutionizing the music creation process for the next generation of artists.Passionate about music and working on a fast pace high growth consumer software team? We'd love to hear from you! | $5.1M | Seed | Sep 14, 2022 |  |
| Arpeggi Labs | Arpeggi Labs is the creator of Kits.AI, an advanced AI vocal platform built on proprietary audio research. The platform offers ethically licensed voice cloning, vocal removal, and singing voice conversion tools, enabling music producers to create studio-quality vocals with fair artist attribution. | $5.1M | Seed | Sep 14, 2022 |  |
| Slide | Slide enables dApps to serve effortless web3 experiences to everyday users. | $12.3M | Seed | Sep 08, 2022 |  |
| Yuga Labs | Yuga Labs is a blockchain technology company that develops NFTs and digital collectibles. It specializes in the fields of blockchain, cryptocurrency, and digital media. Yuga Labs was founded in 2021 by Wylie Aronow and Greg Solano and headquartered in Miami, Florida. | $450M | Seed | Mar 22, 2022 |  |
| Yuga Labs | Yuga Labs is a blockchain technology company that develops NFTs and digital collectibles. It specializes in the fields of blockchain, cryptocurrency, and digital media. Yuga Labs was founded in 2021 by Wylie Aronow and Greg Solano and headquartered in Miami, Florida. | $450M |  | Mar 22, 2022 |  |
| DeFine | DeFine is the social NFT platform for all creators including artists, musicians, influencers, gamers, and athletes. The platform facilitates all social interaction, engagement, and communication for creators and their fan base with digital assets like NFTs and social/fan tokens. | $5M | Venture - Series Unknown | Jul 20, 2021 |  |
| Karat Financial | Karat provides a credit card tailored for creators and influencers, enabling them to grow and manage their businesses. Its Karat Black Card aims to aid income creators with a credit card suited to their needs. This is because banks don’t always understand the creator business model which can include unpredictable monthly income and a variety ofrevenue streams and thus prevents burgeoning creators from accessing capital. | $11M | Series A | Jul 01, 2021 |  |

10 of 13 investments shown.

## Co-investors
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 4 deals together
- [1confirmation](https://shizune.co/investors/profile/1confirmation) — VC Fund, 3 deals together
- [Samsung NEXT](https://shizune.co/investors/profile/samsungnext) — VC Fund, 3 deals together
- [Sound Ventures](https://shizune.co/investors/profile/sound-ventures) — VC Fund, 3 deals together
- [Standard Crypto](https://shizune.co/investors/profile/standard-crypto) — VC Fund, 3 deals together
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund, 3 deals together

## About Royal

VC Fund · Austin, United States

Royal is a developer of an NFT-based music platform used to allow buy ownership in songs. It also allows artists to create their music and convert it to non-fungible tokens (NFT) and sell them by using limited digital assets (LDA) technology that enables fans to invest in artists and earn royalties alongside them.The company was founded in 2021and is headquartered in Austin, Texas.

5 contacts available at Royal.

| Name | Title | Profile |
| --- | --- | --- |
| Derek Kohn | Head of Product | https://shizune.co/investors/profile/derek-kohn |
| Derek Moen | Head of Product | https://shizune.co/investors/profile/derek-moen-d953 |
| JD Ross | Co-Founder | https://shizune.co/investors/profile/jd-ross |
| Justin David Blau | CEO & Co-Founder | https://shizune.co/investors/profile/justin-david-blau |
| Naithan Jones | Head of Growth | https://shizune.co/investors/profile/naithan-jones |

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## FAQ

### What does Justin David Blau invest in?

Justin David Blau invests primarily in Blockchain, Music and Cryptocurrency startups, most often at Seed and Series A stage. Most of the 13 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 Justin David Blau's check size?

Justin David Blau typically joins rounds of $5.1M–$450M at Seed and $11M–$40M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Justin David Blau participates in.

### When did Justin David Blau last invest?

The most recent investment recorded for Justin David Blau closed in Jan 2026. Shizune tracks 13 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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