23
Prevent double-spending with decentralized digital currencies without all transactions being public?
Aug 25 '11 at 17:02
13
Jan 10 '12 at 22:46
12
Two mutually untrusted parties want to exchange data: how to ensure each one gets the data it needs?
Jan 12 '12 at 5:29
10
Nov 1 '11 at 18:23
8
Sep 30 '11 at 14:33
3
Feb 21 '13 at 4:14