BTblock is a technology and cybersecurity consultancy specialized in providing end-to-end security and auditing solutions, with a focus on servicing clients in the blockchain & cryptocurrency, financial and IoT sectors. BTblock has performed end-to-end security reviews for several of the largest global blockchain players as well as one of the world's largest manufacturers of peripherals and software. BTblock enables ideation, validation, and implementation in bringing innovations to market.


In addition to our cybersecurity offering, BTblock has extensive experience in blockchain development. Using our Design Sprint Hybrid Model™, we challenge assumptions, validate hypotheses and develop blockchain enabled solutions that position our clients as category leaders. That’s why we start each project with a design sprint. This helps you challenge assumptions, identify pain points and get feedback early on before you commit resources and dollars to development. It’s about getting answers fast.

  • Grey LinkedIn Icon
Screen Shot 2018-10-11 at 2.37.15 PM.png

Thomas Olofsson


  • Grey LinkedIn Icon

Thomas has served both as a CTO as well as a chief security officer. Thomas has an expertise in both software development of security products and services as well as consulting for large organizations on both technical security as well as risk management, and is the founder of the largest Swedish security conference, Thomas is a Senior Cybercrime and information security specialist with a strong development background. With years of software development, penetration testing and risk analysis, Thomas believes that information security and data protection should be a part of the design of any information system, not just an afterthought. Thomas's specialities include: online threats, incident handling and response, secure development life cycle, PCI compliance, internet banking, application security, information security management, and cryptography.


Mikael Björn

Managing Director, Cybersecurity Solutions and Research Practice

  • Grey LinkedIn Icon

Specializing in large network systems architecture, security and development, Mikael has 30 years of experience in building secure systems for finance, telco and defense industries. Mikael has a background as principal engineer at Sun Microsystems and Unisys Corporation. He has been the major force in modernization of old development methodologies to new secure Agile CI/CD methods. He also has a long background in cloudification of old on premise large-scale enterprise systems. Today Mikael is heading the business unit responsible for secure development, audit and reviews in the Blockchain & DLT space including smart contracts. 


Dr. Alex Cahana

With over 25 years of experience in clinical medicine, Dr. Cahana consults multiple private and public companies, start-ups, healthcare organizations and the United Nations Center for Trade Facilitation and Electronic Business (UN/CEFACT). Dr. Cahana advises on blockchain technology, digiceutical integration and healthcare redesign. After serving as Professor and Chief of the Division of Pain Medicine at the University of Washington, Dr. Cahana is an Affiliate Professor in Science, Technology and Health Studies, is co-editor of the textbook Blockchain and Healthcare (a HIMSS publication), a top blogger on blockchain and healthcare on Medium and has published over one hundred articles.




  • Grey LinkedIn Icon

Tammy has spent 15 years in digital marketing, e-commerce, and business development including leadership roles in both agencies and technology companies. Tammy was the Vice President of Market Development & Agency Relations at G2 Crowd, a B2B marketing platform backed by $45 million of venture capital. She is formerly the Founder & CEO of MarketMeSuite, one of the first social media marketing management platforms. Tammy founded MarketMeSuite in 2009 and closed $2.6 million of investment capital while building a user base of 80,000 businesses. Her company was acquired in 2014 by Vivial to integrate with their local online marketing software platform. Tammy has consulted on projects in Artificial Intelligence, Big Data, Micro-Finance, Business Solutions, and Adtech. Tammy recently brought to market an adtech company built on the blockchain, and has given talks on Blockchain disruption at numerous conferences.




  • Grey LinkedIn Icon

Brian is the former Head of Growth at the Stellar Development Foundation where he led the global marketing and strategy activities for the Stellar protocol and their native token, lumens (XLM). He has worked in advertising and marketing for the last 12 years. Starting off his career at Saatchi & Saatchi in Los Angeles, he then moved to San Francisco where he spent four and a half years leading a sales development team at publicly traded publishing firm, Future US – ideating and producing integrated marketing campaigns for clients such as Google, UBISOFT, Hyundai, NVIDIA, Bethesda and dozens more in the video game and tech sector. Following his tenure at Future, he led the marketing departments at other high-growth startups around the globe focused on AR/AI, Video Games, Adtech, 3D-printing and Blockchain. Brian holds an MBA in Innovation and Entrepreneurship from ESADE in Barcelona, Spain.




  • Grey LinkedIn Icon

David Garrity has over 30 years’ experience in the financial services industry. He has held senior roles and board of director positions for both public and private companies and has extensive experience in several disciplines including advisory, operations and research. David currently serves as the Independent Director on the board of BTCS Inc., a publicly-traded U.S. company involved with Digital Assets and Blockchain. David’s prior public company service includes CFO and Board Director at Interclick, Inc., a behavioral targeting internet advertising network, and Aspen Group, owner & operator of online university Aspen University. David appears regularly on CNBC, BNN, Bloomberg, The Financial Times, Asia Times, Yahoo Finance, and other media outlets.

Code Review Business Team

1556566207086.jpeg-1 (1).jpg

William Boykin

Business Development Manager

headshot BTblock.jpeg

Ben Konrath

Code Review Engagement Manager