This paper considers the use an entanglement breaking channel in the construction of a secure bit-commitment protocol. It is shown that this can be done via a depolarizing quantum channel.
@article{arxiv.1112.3923,
title = {EPR Secure Non-relativistic Bit Commitment Through Entanglement Breaking Channels},
author = {S. Arash Sheikholeslam and T. Aaron Gulliver},
journal= {arXiv preprint arXiv:1112.3923},
year = {2012}
}