Phys. Rev. Lett. 83, 1447–1450 (1999)Unconditionally Secure Bit CommitmentReceived 13 July 1998; published in the issue dated 16 August 1999 We describe a new classical bit commitment protocol based on cryptographic constraints imposed by special relativity. The protocol is unconditionally secure against classical or quantum attacks. It evades the no-go results of Mayers, Lo, and Chau by requiring from Alice a sequence of communications, including a postrevelation verification, each of which is guaranteed to be independent of its predecessor. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.1447
DOI:
10.1103/PhysRevLett.83.1447
PACS:
03.67.-a, 03.65.Bz, 42.50.Dv
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