Web: http://arxiv.org/abs/2204.12806

April 28, 2022, 1:20 a.m. | Or Sattath

cs.CR updates on arXiv.org arxiv.org

Smart contracts are cryptographic protocols that are enforced without a
judiciary. Smart contracts are used occasionally in Bitcoin and are prevalent
in Ethereum. Public quantum money improves upon cash we use today, yet the
current constructions do not enable smart contracts. In this work, we define
and introduce quantum payment schemes, and show how to implement prudent
contracts -- a non-trivial subset of the functionality that a network such as
Ethereum provides. Examples discussed include: multi-signature wallets in which
funds …

applications bitcoin quantum

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