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Gauthier S.GS

Gauthier S.

Blockchain & Crypto Consultant | Security Advisory

€350/day
Annecy, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gauthier

Passionate and self-taught in blockchain since 2019, I am now a certified consultant (RS6410) specializing in cryptocurrencies, Web3, and on-chain security.
My role: to support, secure, train, and guide individuals and businesses in their use or transition to blockchain.

What I offer:


Blockchain Audit & Security:
• Wallet analysis and security
• Risk identification (approvals, scams, fake tokens…)
• On-chain analysis (Etherscan, BSCScan, Solscan…)
• Preparation and implementation of security best practices

Crypto Consulting & Strategies:
• Airdrops, DeFi, yield farming, ICO
• Portfolio optimization
• Protocol analysis
• Clear and educational explanations

Training (individuals & businesses):
• Beginners: basics, blockchain understanding, wallets
• Intermediate: DeFi, security, NFTs, layer 2…
• Advanced: strategies, pro tools, on-chain research
• 1:1 sessions or group training

Web3 Project Support:
• Understanding needs
• Connecting with developers & experts (qualified network)
• Blockchain Project Manager
• Feasibility studies, recommendations, roadmap

My goal:to make blockchain simple, secure, and accessible, while offering professional, clear, and pragmatic support.

I remain available to discuss your needs.
Do not hesitate to contact me!

FOR EMERGENCIES CONTACT ME IMMEDIATELY
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Annecy (up to 50km)

Experience

  • Genesis Consulting
    Blockchain & Crypto Consultant
    August 2025 - Today (10 months)
    • Blockchain & cryptocurrency consulting (security, DeFi, NFTs, audits)
    • Personalized training (individuals and businesses)
    • Connecting with experts and managing blockchain projects
    • Complete project management for companies: from needs analysis to final delivery
    Blockchain & Cryptocurrency Project Management Strategic Consulting On-chain Security Training & Pedagogy
  • Prestinvest SA
    Wealth Management
    October 2021 - June 2023 (1 year and 8 months)
    Geneva, Switzerland
    • Management of investment, real estate, and financial projects
    • CRM management, accounting, invoicing, compliance…
    • Support for other departments

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Education

  • Blockchain
    Alyra
    2024
    Blockchain
  • ESM, School of Management and Communication Trading
    2022

Certifications

  • Blockchain & Cryptocurrency Consultant
    Alyra, the blockchain & AI school
    2024
    Wallet Security and On-chain Audit Determine and analyze the value of a project Master and interact with blockchain technologies Advise and guide blockchain projects Support business transition
  • Trading
    ESM Trading
    2022
    Understand price fluctuations and know how to decipher markets Know the different types of assets or financial instruments Become autonomous, wise, and efficient in trading Acquire and master technical analysis tools Train with a portfolio from professionals Learn to manage emotions Develop strategies for intervening in financial markets

Skill set

Categories