Mikko Ohtamaa is a veteran software engineer and entrepreneur with 26 years of experience who has been shaping blockchain and crypto infrastructure since the early days of Ethereum. As CEO and co-founder of Trading Strategy and former CTO of TokenMarket and LocalBitcoins, he blends hands-on Solidity and Python development with product and technical leadership for high-growth crypto platforms. A prolific open-source contributor, Mikko has improved core Ethereum tooling like web3.py and the Populus framework and built reliability tooling for projects such as WalletConnect. He advises and invests across DeFi and exchange technology, applying practical audit and security experience gained as one of the first smart contract auditors. Based in Gibraltar, he pairs academic engineering training with a knack for shipping robust, well-documented developer tooling and automated testing frameworks. Notably, his GitHub persona—“a penguin with sunglasses”—reflects a pragmatic, community-focused approach to open source.
26 years of coding experience
16 years of employment as a software developer
M.Sc. Industrial Engineering and Management, M.Sc. Industrial Engineering and Management at University of Oulu
A Skype bot supporting integration with external services
Role in this project:
Backend Developer
Contributions:235 commits, 5 comments, 4 issues in 2 years 2 months
Contributions summary:Mikko primarily contributed to the project by updating the README file with information about installation, usage, and examples. They also modified the `setup.py` file to include required dependencies like Flask, Skype4Py, and plac, and adjusted settings and entry points. These changes suggest a focus on setting up the application and its interface, indicating a backend developer role. The user was also involved in adding documentation.
Ethereum smart contracts for security and utility tokens
Role in this project:
Back-end Developer & Solidity Engineer
Contributions:394 commits, 54 PRs, 322 pushes in 2 years 5 months
Contributions summary:Mikko focused on improving and expanding the functionality of Ethereum smart contracts related to token sales. Their work involved fixing inconsistencies in documentation, adding support for new features (like a presale), refactoring contract naming conventions, and addressing audit report findings. They also contributed to setting up and configuring testing frameworks, upgrading dependencies, and ensuring the code's robustness by including checks and safeguards against various attacks.
pythontokensethereumsecuritysecurity-token
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