Blockchain Secure

We deliver Blockchain solutions to enterprise ecosystems that are scalable, sovereign and integrated to their Information Systems


Blockchain Secure becomes QuantumBCS

After 2 years working on Blockchain solutions, Blockchain Secure SAS has expanded its business scope to cover Quantum Technologies (QT), and more specifically, Software Development platforms adapted to various Quantum hardware models: analog (annealing), and digital (gate-based: superconducting...

Blockchain Secure obtains the label JEI “Jeune Entreprise Innovante”

The Ministry of Higher Education, Research and Innovation has rewarded Blockchain Secure the label of JEI for its advanced R&D program in Blockchain solutions.

Blockchain Secure launches its Notarisation solution !

Proof of existence and ownership of your Digital Assets (NFT)

Blockchain Secure launches its eSignature solution !

Full digitalization of your processes and engagements beyond your enterprise’s limits Backed by a blockchain-based Notarisation service   Fast, Secure, Green

The Architecture of Private Blockchains: Collaborative Environment 101

The Architecture of Private Blockchains : Collaborative Environment 101  Blockchain has hit the mainstream through Bitcoin and other cryptocurrencies and is currently a hot topic. Nevertheless, the technology and the possibilities it opens are still abstract for most people and businesses who...

About us

Blockchain Secure is a startup founded by a team of young and senior individuals passionate about Blockchain applications capabilities in solving real world trust problems.

Our mission

Helping you in adopting and deploying Blockchain solutions


A trust foundation for all transactions

A technology stack to configure your Blockchain network according to your cooperative environment

A selected set of decentralized applications

Our vision

Blockchain is a disruptive technology that allows business partners to exchange information in a secure and traceable manner, without intermediaries, in an environment of trust.

It answers the users’ need to regain control of their personal information and verifies the authenticity and provenance of each information.

It optimizes decision processes by securely automating actions using Smart Contracts and paves the way for the flexible management of digital assets represented in the form of Tokens on the Blockchain.

Our ambition

To become a leader in helping enterprises ecosystems to deploy Blockchain solutions and leverage its rich set of applications



Does the Blockchain provide real value and a risk-free ROI ?

Opportunity Analysis

Functionnal aspects, Governance, Budget, Roadmap

Solution Architecture

POC (Proof of Concept), MVP (Minimum Viable Product) and qualified solutions


Deployment in production environment

Services and technical support

Compliance with SLA and regulations, business continuity, continuous improvement

Our expertise

Blockchain Ethereum

Permissionless and permissioned (public and private)

Technology Stack

Based on the framework of the EEA Alliance (Enterprise Ethereum Alliance)


Smart Contracts

Development which reflects the cooperation rules of partners ecosystem

Managed Services and Hosting

Blockchain nodes network, middleware and application environment


DPKI and Oracle tools, wallet management and token factory

Storage and Cloud

Cloud storage services, decentralized storage (IPFS) and multi-cloud deployment

Contact us

Blockchain Secure

111, avenue Victor Hugo
75116  Paris

Email address