Company lists · Data verified August 2026

Top 8 Blockchain infrastructure security companies based in France

Name: Blockchain infrastructure security companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 27 companies tracked

There are 27 blockchain infrastructure security companies headquartered in France (RevenueBase, August 2026). RevenueBase tracks 115 professional contacts across them, including 29 with verified work emails and 3 with mobile numbers. Paris is the largest hub.

This list covers blockchain infrastructure security companies headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

27Companies

115Contacts tracked

29Verified emails

3Mobile numbers

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The 8 largest blockchain infrastructure security companies based in France

Ranked by team size

Top 8 of 27 blockchain infrastructure security companies based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Smartchain	Paris	11-50	27	8
2	Dowsers	Paris	11-50	21	10
3	Chainraizer	n/a	1-10	5	3
4	Zyneas	Noisy-Le-Grand	11-50	4	3
5	Blockchains Experts	Paris	1-10	4	2
6	Kapalt	Paris	1-10	2	1
7	Sarahro SRO	Paris	1-10	2	1
8	Azursafe	Nice	1-10	1	1

Showing 8 of 27 blockchain infrastructure security companies based in France

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Blockchain infrastructure security companies based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 14 HQs

3Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Blockchain infrastructure security companies by metro

Metro	Companies
Blockchain infrastructure security companies in Paris	14
Blockchain infrastructure security companies in Lyon	2
Blockchain infrastructure security companies in Nice	2
Blockchain infrastructure security companies in Gardanne	1
Blockchain infrastructure security companies in Courbevoie	1
Blockchain infrastructure security companies in Clichy	1
Blockchain infrastructure security companies in Marseille	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “blockchain infrastructure security companies”, with match quality audited by blind human judging, and headquartered in France.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many blockchain infrastructure security companies are there based in France?

There are 27 blockchain infrastructure security companies headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

Smartchain, headquartered in Paris, tops this list with the largest team on record.

Which city has the most blockchain infrastructure security companies?

Paris leads with 14 headquartered companies, followed by Lyon (2) and Nice (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 29 verified decision-maker contacts tracked across these 27 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.