Steffen Fastner
Independent Investor & Advisor at Crypto Markets
Erlangen, Bavaria
Steffen Fastner, Independent Investor & Advisor at Crypto Markets is an active investor based in Erlangen, Bavaria. This profile covers what Steffen Fastner backs, at which stage, and how founders can reach out in 2026.
Steffen Fastner is an independent investor and advisor in crypto markets with a decade of experience in trading, venture investing, and community building.
Steffen Fastner invests in Crypto & Web3, typically at Seed and Series A.
- Investor type
- AngelVC
- Stages
- SeedSeries A
- Invests in
- Crypto & Web3
- Location
- Erlangen, Bavaria
- Typical check
- $625K
How to reach Steffen Fastner
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About this profile
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Cite this page
Round Funded. "Steffen Fastner." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/steffen-fastner
Frequently Asked Questions
Who is Steffen Fastner?
Steffen Fastner, Independent Investor & Advisor at Crypto Markets is an active investor based in Erlangen, Bavaria. Steffen Fastner invests in Crypto & Web3, typically at Seed and Series A.
What does Steffen Fastner invest in?
Steffen Fastner invests in Crypto & Web3, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Steffen Fastner invest at?
Steffen Fastner typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Steffen Fastner's typical check size?
Steffen Fastner typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.