Invited talk at the CIBE'24 workshop

At the workshop titled “Cryptography in the Blockchain Era,” Prof. Georg Fuchsbauer delivered a talk that highlighted the latest advancements in cryptographic techniques within the rapidly evolving landscape of blockchain technology. His presentation covered fundamental challenges and emerging solutions for enhancing privacy, security, and scalability in decentralized networks. The workshop provided a platform for discussing critical advancements in cryptography, underscoring its importance in the blockchain era.

2024-06-23

Prof. Fuchsbauer explored the Mimblewimble protocol, a breakthrough in blockchain design that promises to improve both privacy and scalability. However, Mimblewimble has faced challenges in widespread adoption, particularly due to the absence of non-interactive transactions, where only the sender needs to be online. The talk included a detailed analysis of how non-interactive transactions and stealth addresses can be integrated into Mimblewimble. Prof. Fuchsbauer also discussed his recent work, which builds on prior research by Yu and Burkett, offering a revised scheme with a formal security analysis, a variant of which is now implemented by Litecoin in its Mimblewimble Extension Blocks (MWEB).

The talk was well-received by the audience, consisting of cryptography experts and blockchain researchers, who were keen to explore the future of secure and efficient cryptocurrency technologies.

References:

Aggregate Cash Systems: A Cryptographic Investigation of Mimblewimble: Paper, Slides

Non-interactive Mimblewimble transactions, revisited: Paper, Slides, Video