| Matt Franklin, Gene Tsudik: Secure Group Barter; Financial Cryptography 1998, to appear. |
....AsSW98] Optimistic 2 party protocols for fair exchange of signatures or for certified mail have been described in [AsSW198, Mica97, BaDM98] None of the optimistic 2 party protocols extends easily to the multi party case. Some non optimistic multi party fair exchange protocols were described in [KeGa96, FrTs98]. The first optimistic multi party fair exchange protocols were described in a preliminary version of this paper [AsSW296] the first asynchronous optimistic multi party contract signing protocol is described in [BaWa98] As already mentioned, it is significantly less e#cient than our ....
Matt Franklin, Gene Tsudik: Secure Group Barter; Financial Cryptography 1998, to appear.
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