Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains

Huseyin Gokay; Foteini Baldimtsi; Giuseppe Ateniese

doi:10.1007/978-3-031-70896-1_17

Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains

Huseyin Gokay, Foteini Baldimtsi, Giuseppe Ateniese

Department of Computer Science

George Mason University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Atomic swaps are crucial in blockchains, enabling secure coin exchanges between users; either both parties receive their coins, or the transaction fails entirely. While the BLS signature scheme offers advantages for this application, existing BLS-compatible atomic swap protocols often rely on third-party intermediaries. This reliance can introduce points of failure and dependencies that detract from the decentralized nature of blockchains. Our novel protocol addresses this limitation, fully leveraging the signature aggregation capabilities of BLS for a self-contained solution. This design ensures seamless integration within any blockchain system supporting BLS without the need for timelock scripting functionalities.

Original language	English
Title of host publication	Computer Security – ESORICS 2024 - 29th European Symposium on Research in Computer Security, Proceedings
Editors	Joaquin Garcia-Alfaro, Rafał Kozik, Michał Choraś, Sokratis Katsikas
Pages	341-361
Number of pages	21
DOIs	https://doi.org/10.1007/978-3-031-70896-1_17
State	Published - 2024
Event	29th European Symposium on Research in Computer Security, ESORICS 2024 - Bydgoszcz, Poland Duration: 16 Sep 2024 → 20 Sep 2024

Publication series

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	14984 LNCS
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Conference

Conference	29th European Symposium on Research in Computer Security, ESORICS 2024
Country/Territory	Poland
City	Bydgoszcz
Period	16/09/24 → 20/09/24

Keywords

Atomic Swaps
Blockchain
BLS Signatures

Access to Document

10.1007/978-3-031-70896-1_17

Cite this

Gokay, H., Baldimtsi, F., & Ateniese, G. (2024). Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains. In J. Garcia-Alfaro, R. Kozik, M. Choraś, & S. Katsikas (Eds.), Computer Security – ESORICS 2024 - 29th European Symposium on Research in Computer Security, Proceedings (pp. 341-361). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 14984 LNCS). https://doi.org/10.1007/978-3-031-70896-1_17

Gokay, Huseyin ; Baldimtsi, Foteini ; Ateniese, Giuseppe. / Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains. Computer Security – ESORICS 2024 - 29th European Symposium on Research in Computer Security, Proceedings. editor / Joaquin Garcia-Alfaro ; Rafał Kozik ; Michał Choraś ; Sokratis Katsikas. 2024. pp. 341-361 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

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abstract = "Atomic swaps are crucial in blockchains, enabling secure coin exchanges between users; either both parties receive their coins, or the transaction fails entirely. While the BLS signature scheme offers advantages for this application, existing BLS-compatible atomic swap protocols often rely on third-party intermediaries. This reliance can introduce points of failure and dependencies that detract from the decentralized nature of blockchains. Our novel protocol addresses this limitation, fully leveraging the signature aggregation capabilities of BLS for a self-contained solution. This design ensures seamless integration within any blockchain system supporting BLS without the need for timelock scripting functionalities.",

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Gokay, H, Baldimtsi, F & Ateniese, G 2024, Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains. in J Garcia-Alfaro, R Kozik, M Choraś & S Katsikas (eds), Computer Security – ESORICS 2024 - 29th European Symposium on Research in Computer Security, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 14984 LNCS, pp. 341-361, 29th European Symposium on Research in Computer Security, ESORICS 2024, Bydgoszcz, Poland, 16/09/24. https://doi.org/10.1007/978-3-031-70896-1_17

Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains. / Gokay, Huseyin; Baldimtsi, Foteini; Ateniese, Giuseppe.
Computer Security – ESORICS 2024 - 29th European Symposium on Research in Computer Security, Proceedings. ed. / Joaquin Garcia-Alfaro; Rafał Kozik; Michał Choraś; Sokratis Katsikas. 2024. p. 341-361 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 14984 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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Gokay H, Baldimtsi F, Ateniese G. Atomic Swaps for Boneh–Lynn–Shacham (BLS) Based Blockchains. In Garcia-Alfaro J, Kozik R, Choraś M, Katsikas S, editors, Computer Security – ESORICS 2024 - 29th European Symposium on Research in Computer Security, Proceedings. 2024. p. 341-361. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)). doi: 10.1007/978-3-031-70896-1_17