Bitcoin Covenants Unchained

Bartoletti M.
;Lande S.;Zunino R.
2020-01-01

Abstract

Covenants are linguistic primitives that extend the Bitcoin script language, allowing transactions to constrain the scripts of the redeeming ones. Advocated as a way of improving the expressiveness of Bitcoin contracts while preserving the simplicity of the UTXO design, various forms of covenants have been proposed over the years. A common drawback of the existing descriptions is the lack of formalization, making it difficult to reason about properties and supported use cases. In this paper we propose a formal model of covenants, which can be implemented with minor modifications to Bitcoin. We use our model to specify some complex Bitcoin contracts, and we discuss how to exploit covenants to design high-level language primitives for Bitcoin contracts.
2020
Inglese
Leveraging Applications of Formal Methods, Verification and Validation: Applications. 9th International Symposium on Leveraging Applications of Formal Methods, ISoLA 2020, Rhodes, Greece, October 20–30, 2020, Proceedings, Part III
978-3-030-61466-9
978-3-030-61467-6
Springer
LECTURE NOTES IN COMPUTER SCIENCE
12478
25
42
18
2-s2.0-85096466556
9th International Symposium on Leveraging Applications of Formal Methods, Verification and Validation, ISoLA 2020
Contributo
Comitato scientifico
20-30 October 2020
Rhodes Island, Greece
internazionale
scientifica
no
4 Contributo in Atti di Convegno (Proceeding)::4.1 Contributo in Atti di convegno
Bartoletti, M.; Lande, S.; Zunino, R.
273
3
4.1 Contributo in Atti di convegno
reserved
info:eu-repo/semantics/conferencePaper
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