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Abstract

SCP is an open Byzantine agreement protocol resistant to Sybil attacks. It allows Internet infrastructure stakeholders to reach agreement on a series of values without unanimous agreement on what constitutes the set of important stakeholders. A big differentiator from other Byzantine agreement protocols is that, in SCP, nodes determine the composition of quorums in a decentralized way: each node selects sets of nodes it considers large or important enough to speak for the whole network, and a quorum must contain such a set for each of its members.

Authors

Nicolas Barry (nicolas@stellar.org)

Giuliano Losa (giuliano@cs.ucla.edu)

David Mazieres (dm@uun.org)

Jed McCaleb (jed@stellar.org)

Stanislas Polu (stan@stripe.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)