Reflections on the Past, Present and Future of Blockchain Foundations and Applications (Invited Talk)

Author Ittai Abraham

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Author Details

Ittai Abraham
  • VMware, Herzelia, Israel

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Ittai Abraham. Reflections on the Past, Present and Future of Blockchain Foundations and Applications (Invited Talk). In 5th International Symposium on Foundations and Applications of Blockchain 2022 (FAB 2022). Open Access Series in Informatics (OASIcs), Volume 101, p. 1:1, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)


We survey some of the amazing progress in Blockchain technology in the last 5 years: from foundations like consensus protocols, execution models, and zero-knowledge proofs, to why these foundations are critical for applications like decentralized finance and web3. The main part of the talk will try to envision the future of Blockchains: how will the "Endgame" look like? What foundations are we still missing? We argue that for Blockchains to thrive and reach Billions of users, we should expect a much more regulated landscape to emerge and discuss some exciting opportunities in reg-crypto and RegDeFi. An example of this direction is our new work on UTT which is a decentralized Ecash system with accountable privacy.

Subject Classification

ACM Subject Classification
  • Theory of computation → Distributed algorithms
  • Applied computing → Digital cash
  • Computer systems organization → Dependable and fault-tolerant systems and networks
  • Blockchain


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