Democratizing Carbon Markets: A Blockchain-Based Emission Trading System for Small and Large-Scale Stakeholders in Brazil

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• Jean Martina, Universidade Federal de Santa Catarina
• Friday 28 March 2025, 13:00-14:00
• GS15, William Gates Building. Zoom link: https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon .

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Abstract

The integration of blockchain technology into carbon markets offers a unique opportunity to create more transparent, inclusive, and efficient trading mechanisms. This presentation introduces a novel Blockchain Emission Trading System (BETS) model designed to align with Brazil’s new carbon market legislation (Law 15042/2024), ensuring that both large landholders and small rural producers can participate fairly. Our approach leverages official land registries, such as SICAR , to create spatially and temporally verifiable carbon credits, preventing fraud and double counting while enabling greater accessibility for smaller stakeholders who often struggle to enter regulated markets. By decentralizing the issuance and trading of carbon credits, our model aims to reduce intermediaries, lower costs, and promote broader participation, ultimately fostering a more equitable environmental and economic transition. Through a systematic mapping study, we identify key challenges and research directions for blockchain-based carbon markets and propose a framework that ensures compliance with national and international standards while prioritizing social and economic inclusivity.

Bio

Jean is a professor at the Federal University of Santa Catarina (UFSC) in Brazil, specializing in information security, blockchain technology, and electronic documents. He holds a PhD in Computer Science from the University of Cambridge, where his research focused on cryptographic protocols and secure execution of code. Over the years, he has worked extensively on the development of blockchain-based solutions, particularly in the areas of digital identity, electronic signatures, and regulatory compliance. His recent work explores the use of blockchain to improve transparency, security, and inclusivity in digital ecosystems, including its application in carbon markets and sustainable finance.

This talk is part of the Energy and Environment Group, Department of CST series.

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