Startup profile for Mediachain: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Mediachain funding, valuation and investors

Open blockchain metadata protocol for media attribution—acquired by Spotify in 2017.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Seed

$1.5M · June 2016

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$1.5M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

acquired

acquired · Brooklyn, New York

Latest tracked event: Acquired by Spotify (April 2017). It is shown separately because it is not counted as disclosed equity funding.

Sources: latest funding Last verified: 2026-07-25

Overview

Mediachain Labs, founded in Brooklyn by Denis Nazarov and Jesse Walden, built an open protocol for registering and discovering metadata about creative works on a blockchain—aiming to solve attribution and royalty tracking across the web. The company raised a $1.5 million seed round in June 2016 co-led by Andreessen Horowitz and Union Square Ventures with RRE Ventures and Digital Currency Group participating per CoinDesk. In April 2017, Spotify acquired Mediachain to help connect artists with track metadata and rights information across Spotify's catalog. The team joined Spotify's NYC office to work on decentralized metadata infrastructure internally.

Why Mediachain is interesting

USV and a16z jointly backed provenance for creative works; Spotify bought the Brooklyn team to improve rights metadata—not to launch a crypto token.

Product & use cases

Mediachain linked media files to onchain metadata records—enabling attribution chains and discovery of creators across platforms and archives.

  • Music rights and attribution metadata for streaming catalogs
  • Open media registry for photographers and visual artists
  • Decentralized discovery of creative work provenance

Key facts

  • Seed (Jun 2016): $1.5M co-led by a16z and USV (CoinDesk)
  • Acquired Apr 2017 by Spotify (TechCrunch)
  • RRE and Digital Currency Group participated in seed
  • Open-source media attribution protocol

Funding history (newest first)

Investors in our directory

Funds linked from Mediachain's profile — open a fund page for stage focus and related deal articles.

Competitive landscape

Edge: Dual a16z + USV backing on open protocol—not proprietary CMS—aligned with crypto-era provenance narrative pre-NFT boom.

Media provenance on blockchain was intellectually compelling but streaming economics favored centralized catalog fixes. Spotify acqui-hire validated problem statement while absorbing talent—not launching public chain.

  • Centralized rights databases (MLC, PROs) incumbent

    Legacy music licensing infrastructure.

  • IPFS / Arweave metadata layers adjacent

    Storage protocols; Mediachain focused on attribution graph.

  • Spotify internal metadata systems incumbent

    Acquirer integrated team into existing catalog ops.

Notable stories

  • Co-founder Jesse Walden later founded Variant Fund—crypto venture firm (industry path post-Spotify).
  • Spotify cited improving metadata connections for artists as acquisition rationale (TechCrunch).
  • Dual lead from a16z and USV rare for $1.5M seed—signaled protocol-not-app ambition.

Industries

Crypto & Web3 Media & Entertainment Enterprise SaaS

Related funding articles

Venture Capital Tracker pieces that cover Mediachain's financing or category context.

FAQs about Mediachain

Practical answers founders, operators, and investors typically search for.

Mediachain built a blockchain-based open protocol for media metadata and attribution across the web.
Spotify acquired Mediachain in April 2017.
Andreessen Horowitz (/fund/andreessen-horowitz) and Union Square Ventures (/fund/union-square-ventures) co-led the $1.5M seed.
To improve track metadata and rights attribution across Spotify's catalog per acquisition coverage.
$1.5M seed in June 2016.
Denis Nazarov and Jesse Walden co-founded Mediachain Labs in Brooklyn.
Mediachain predated NFT boom—focused on open metadata graph, not collectible tokens.
Team joined Spotify; public protocol development continued internally—not standalone startup.
Brooklyn, New York.
No token launch at acquisition; protocol research stage startup.

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.