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Working Group

Blockchain/Distributed Ledger

This group investigates relevant use cases, and security implications of blockchain. Currently they are creating a framework and glossary that would help provide guidance and security around: wallets, exchanges, cryptography and more.
View Current Projects
Crypto-Asset Exchange Security Guidelines
Crypto-Asset Exchange Security Guidelines

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Blockchain/Distributed Ledger
Working Group Overview

This group investigates relevant use cases and security implications of blockchain. Currently, they are creating a framework and glossary that would help provide guidance and security around: wallets, exchanges, cryptography, and more. We welcome anyone who would like to join, even if you would like to just listen in on your first call. 


What do we discuss? 

During these meetings, we typically discuss changes in the industry and collaborate on projects the group is currently working on.

Working Group Leadership

Alexandre Castaing
Alexandre Castaing

Alexandre Castaing

Board Member, ISACA Luxembourg

Alexandre Castaing is a thought leader who promote innovation as well actionable risk practices. He gathers more than 17 years of experience in risk, audit as well as information security from a wide range of industries. He held global roles in financial services for many years and has worked mostly for large organizations including financial regulators.

Alexandre has a long track record of senior leadership engagement on strategic op...

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Publications in ReviewOpen Until
Applying Zero Trust Principles with Network-Infrastructure Hiding Protocol - Stealth Mode Software Defined Perimeter for Network InfrastructureOct 16, 2025
Enabling Zero Trust for Cellular Networks - Guidance for Securing Mobile NetworksOct 16, 2025
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Who can join?

Anyone can join a working group, whether you have years of experience or want to just participate as a fly on the wall.

What is the time commitment?

The time commitment for this group varies depending on the project. You can spend a 15 minutes helping review a publication that's nearly finished or help author a publication from start to finish.

Virtual Meetings

Attend our next meeting. You can just listen in to decide if this group is a good for you or you can choose to actively participate. During these calls we discuss current projects, and well as share ideas for new projects. This is a good way to meet the other members of the group. You can view all research meetings here.

Open Peer Reviews

Peer reviews allow security professionals from around the world to provide feedback on CSA research before it is published.

Learn how to participate in a peer review here.

Applying Zero Trust Principles with Network-Infrastructure Hiding Protocol - Stealth Mode Software Defined Perimeter for Network Infrastructure

Open Until: 10/16/2025

Our core TCP/IP networking systems and protocols have been with us since the 1970s, and have in many ways served us well. T...

Enabling Zero Trust for Cellular Networks - Guidance for Securing Mobile Networks

Open Until: 10/16/2025

The rapid evolution of cellular network technologies, particularly the rollout of 5G, Open Radio Access Network (ORAN), and...