Hossein Rezaei

2550 North Alafaya Trail · Orlando, FL 32826 · me@hosspro.com

14+ years of experience in cryptography and cybersecurity. Worked as a programmer, designer, researcher, senior software engineer, and Chief Technology Officer in public key infrastructure, smart card, blockchain, and cryptocurrency.


Security Researcher

Nuesoft Technologies

• Researched and designed a cloud-based PKI-as-service with smart card
• Consulted for implementing two-factor authentication for network access

May 2016 – Oct 2018, Atlanta, US

Chief Technology Officer


• Co-founder of the company
• Researched and developed Public Key Appliance product
• Researched and developed Card Issuing System product
• Researched and developed a general cryptography middleware for browsers
• Researched and developed an identification card based of public key cryptography
• Designed architecture of cryptography systems for banks and financial institutes

Nov 2010 – Aug 2016, Iran

Senior Software Engineer

Matiran Co.

• Designed architecture of smart card management systems
• Consulted for public key infrastructure
• Evaluated FAT (Functional Acceptance Test) and SAT (Site Acceptance Test) of smart card issuing and mailing machineries

Feb 2010 – Sep 2012, Iran

Senior Software Developer

SG Co.

• Developed programs to control smart card issuing process in industrial printers
• Developed a framework for cryptography and smart card programming
• Designed and developed an IDE for smart card programming with a script language
• Programming with security devices such as crypto token, smart card, fingerprint scanner and card reader
• Cryptography programming with Hardware Security Module (HSM)

Jun 2005 – Feb 2010, Iran


PhD in Computer Science

University of Central Florida
Thesis: Improving Security of Crypto Wallets in Blockchain Technologies
Aug 2016 – Expected Jan 2020, Orlando, US

MSc in Computer Science

University of Central Florida
Aug 2016 – Dec 2017, Orlando, US

MSc in Software Engineering

Qazvin Azad University
Thesis: PC Secure Bootstrapping
Sep 2005 – Mar 2008, Iran

BSc in Hardware Engineering

Qazvin Azad University
Thesis: Efficient Implementation of RSA Cryptography Engine and PKCS#1
Sep 2001 – Sep 2005, Iran


  • Full Stack Development
  • Embedded & Cryptography Programming
  • Agile Development & Scrum
Development Stack (MERN)
    Java Script Node.js Express React.js React Native HTML CSS Bootstrap MongoDB AWS
Development Tools
    GitHub ZenHub VSCode
Design Skills
    Architecture API Microservice Database UI/UX Prototyping TDD
Security Programming
    HSM Smart (IC) Card TPM IoT
Previous Developments
    Java C/C++ C# Python JIRA MySQL MS SQL Server


New Secure Approach to Backup Cryptocurrency Wallets

H. Rezaeighaleh, C. Zou, The 2019 Global Communications Conference (GLOBECOM-2019), IEEE, 2019
Dec 2019, Hawaii, US

Deterministic Sub-Wallet for Cryptocurrencies

H. Rezaeighaleh, C. Zou, the 2019 IEEE International Conference on Blockchain (Blockchain-2019), IEEE, 2019
Jul 2019, Atlanta, US

Using Disposable Domain Names to Detect Online Card Transaction Fraud

R. Laurens, H. Rezaeighaleh, C. Zou, J. Jusak, IEEE International Conference on Communications (ICC 2019) - Communication and Information Systems Security Symposium (CISS)
May 2019, Shanghai, China

Secure Smart Card Signing with Time-based Digital Signature

H. Rezaeighaleh, Roy Laurens, Cliff Zou, The 2018 International Conference on Computing, Networking and Communications (CNC 2018), IEEE, 2018
Mar 2018, Hawaii, US

A New High-Performance Approach for Offline Replacement Attack Prevention in Trusted Clients

H. Rezaei Ghaleh, S. Khorsandi, The 2009 IEEE International Symposium on Trust, Security and Privacy for Pervasive Applications (TSP-09)
Oct 2009, Macau SAR, China

Improving Client Security using a Smart Card and Trusted Server

H. Rezaei Ghaleh, M.A. Doustari, International Conference on Security and Management (SAM 2009), WROLDCOMP’09
Jul 2009, Las Vegas, US

A New Approach to Protect the OS from Off-line Attacks Using a Smart Card

H. Rezaei Ghaleh, S. Norouzi, The Third International Conference on Emerging Security Information, Systems and Technologies (Securware 2009)
Jun 2009, Athens, Greece

A New Approach for a Secure and Portable OS

H. Rezaei Ghaleh, M.A. Doustari, The Second International Conference on Emerging Security Information, Systems and Technologies (Securware 2008)
Aug 2008, Cap Esterel, France


University of Central Florida

Graduate Teaching Assistant in CS Undergraduate Courses

• Security in Computing (Fall 2016, Spring 2017, Fall 2019)
• Computer Architecture Concepts (Fall 2018, Spring 2019)
• Database Concepts (Fall 2017, Spring 2018)

Fall 2016 – Present, Orlando, US

Qazvin Azad University

CS Undergraduate Courses

• Programming Languages

Fall 2010, Iran

Takestan Azad University

CS Undergraduate Courses

• Operating Systems
• Programming Languages

Fall 2005, Iran


Awarded US Extraordinary Ability Immigration (EB1)
Jul 2017, US
Awarded Membership in Iran National Elites Foundation (INEF)
Sep 2015, Iran
Winner of 11th Sheikh Bahaei Startups National Competition
May 2015, Iran
Winner of 5th Chamran Award in Innovation Competition
Jun 2014, Iran
Winner of 10th Sheikh Bahaei Startups National Competition
May 2014, Iran
Funding Award for MSc Thesis in Trusted Computing
Feb 2007, Iran
Admission to National Organization for Development of Exceptional Talents (NODET)
Jun 1997, Iran