Meni Rosenfeld

Angel Investor Active Israel
LinkedIn
Last updated 2026-06-18
Portfolio
3
in our dataset
Rounds participated
3
Rounds led
0
Rounds' value
$1.5M
total disclosed, rounds participated
Stages
Pre-Seed, Seed, A Round

About

Meni Rosenfeld is a bitcoin researcher, mathematician, business entrepreneur, and angel investor, investing in early-stage deals. He currently serves as the chairman of the Israeli Bitcoin Association. After being exposed to Bitcoin in March 2011, he has focused exclusively on activity in this field. He has established the Bitcoin community in Israel, founded Bitcoil Israels first Bitcoin exchange service, and performed mathematical research on the algorithms that underlie the functioning of the Bitcoin and blockchain system. Earlier in his career, he has worked as the head of research of the internet startup Similarweb, where he was in charge of developing algorithms for measuring connections between websites and analyzing web traffic. Mr. Rosenfeld is a mathematics M.Sc. graduate of the Weizmann Institute of Science, specializing in machine learning. He also holds a B.A in mathematics from the Open University of Israel.

Portfolio · 3

Kirobo
Blockchain Solution to Protect Crypto Assets
1 round $1.0M committed Latest: 2019-11
Bits of Gold
Licensed Cryptocurrency Services Provider
1 round $500K committed Latest: 2014-03
Bitrated
Fraud Protection Solution for the Bitcoin Ecosystem
1 round Latest: 2014-01

Investment activity

Portfolio by sector

Fintech & Insurtech2
Cyber Security2

Q&A

What is Meni Rosenfeld's primary focus as an investor?
Meni Rosenfeld is an angel investor focusing on early-stage deals, particularly within the Bitcoin and blockchain ecosystem, where he has significant expertise.
What are Meni Rosenfeld's preferred investment stages?
Meni Rosenfeld primarily invests in Pre-Seed, Seed, and A Round stages.
Can you name some of Meni Rosenfeld's portfolio companies?
Meni Rosenfeld's portfolio includes Bitrated, a fraud protection solution for the Bitcoin ecosystem, and Kirobo, which offers blockchain solutions to protect crypto assets.
What is Meni Rosenfeld's background in the Bitcoin space?
Meni Rosenfeld has been involved with Bitcoin since March 2011. He established the Bitcoin community in Israel, founded Bitcoil (Israel's first Bitcoin exchange service), and serves as the chairman of the Israeli Bitcoin Association.
What sectors does Meni Rosenfeld primarily invest in?
Meni Rosenfeld shows a concentration in Fintech & Insurtech and Cyber Security sectors, with two rounds each in these areas.
What was Meni Rosenfeld's role before becoming an angel investor?
Earlier in his career, Meni Rosenfeld worked as the head of research at Similarweb, where he developed algorithms for analyzing web traffic.
What is the most recent investment round Meni Rosenfeld participated in?
Meni Rosenfeld participated in an investment round in November 2019.
What is the typical check size for Meni Rosenfeld's investments?
Meni Rosenfeld's investment range is typically between $500K and $2.5M.
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