Marcel Jackisch
Founder & Consultant at Toucan Protocol
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolMarcel Jackisch is a founder and blockchain engineer with 8 years of experience building and advising DeFi and ReFi protocols from Berlin. He combines a technical grounding in mechanical and renewable energy engineering with self-taught Solidity expertise to design smart-contract architectures, tokenization systems, and cross-chain solutions—most notably as protocol architect and co-founder of Toucan Protocol for carbon credit tokenization. Marcel has a track record of applied research at Deutsche Telekom and E.ON, blending protocol evaluation, Layer-2 and oracle research, and adversarial security analysis to inform product design and governance. As founder of ReFiWorks and former KUMO CTO, he mentors teams, sets engineering standards, and consults on app-layer architecture and bridging strategies. He is motivated by climate impact and practical interoperability, and often approaches blockchain problems through the lens of physical systems and rigorous evaluation frameworks developed during his master’s work.
8 years of coding experience
5 years of employment as a software developer
Master of Science - MS Environmental Engineering, Master of Science - MS Environmental Engineering at Universidade Federal de Santa CatarinaMaster of Science (M.Sc.) Industrial Engineering, Master of Science (M.Sc.) Industrial Engineering at Technische Universität Berlin
Portuguese, English, Spanish, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (195)
end-to-end-encryption10
pgp10
cryptocurrency10
chat10
smart-contracts10
crypto10
wallet10
client-library10
browser10
firefox10
browser-extension10
opera10
keybase10
bitcoin10
brave10
Programming languages (16)
Github contributions (5)
CO2ken/tokenizer
Jun 2021 - Jul 2021
Protocol for tokenizing carbon credits
Contributions:1 review, 36 PRs, 83 pushes in 29 days
tokenizingethereumcarboncreditscarbon-credits
marceljay/kumo-protocol
Aug 2023 - Oct 2023
The KUMO protocol is a decentralized borrowing protocol that allows you to draw 0% interest loans against supported natural assets used as collateral. The loans are paid out in collateralized stablecoin KUSD pegged to the USD.
Contributions:34 pushes, 13 branches in 1 month
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