Startup profile · funding coverage
Optimism
Ethereum Layer 2 / OP Stack scaling ecosystem.
Stage
growth
Status
private
Coverage
full
Why Optimism is interesting
Optimism’s OP Stack powers a superchain thesis — L2 infrastructure as shared public goods for Ethereum apps.
Key facts
- Series B (Mar 2022): $150M at $1.65B co-led by a16z and Paradigm (TechCrunch)
- Series A (Feb 2021): $25M led by a16z (a16z announcement)
- Co-investor not in VCT directory: Paradigm
- Source: https://techcrunch.com/2022/03/17/paradigm-and-a16z-back-ethereum-scaling-startup-optimism-at-1-65b-valuation/
- VCT directory co-investors: none mapped (non-directory syndicates noted above); reviewed 2026-07-24
Investors in our directory
Funds linked from Optimism's profile — open a fund page for stage focus and related deal articles.
Industries
Crypto & Web3 Infrastructure & Cloud
Industry hub pages are rolling out from our fund-derived baseline taxonomy.
FAQs about Optimism
Funding context and why this company shows up in venture coverage.
Optimism is listed among Andreessen Horowitz (a16z) investments; no additional VCT-directory co-investors were identified in public sources reviewed 2026-07-24.
We track a16z-backed companies that are strategically relevant for founders and investors following AI, American Dynamism, crypto, bio, and enterprise software.
Last updated: 2026-07-24