Bitcoin Cryptography Broken in 2016
Description
The digital signature scheme of bitcoin with SHA256+secp256k1 ECDSA will be broken before 18 December 2016 by cryptography researchers.
The attack should allow to forge digital signatures for at least a proportion of 1/1 million bitcoin users and steal money from them.
It should be done faster than 2^100 point additions total including the time to examine the data.

Decision Logic
The decision will be based on the best attack known in academic cryptography literature.
The result should be disclosed or publicly demonstrated before or on 18 Dec 2016.
It should confirmed by a majority of at least 3 other independent researchers with a PhD in cryptography.
Attacks in which the message was not signed correctly e.g. repeated identical randoms are NOT valid attacks.
11:11AM, Dec 19, 2015 UTC
11:00PM, Dec 18, 2016 UTC
11:55PM, Dec 18, 2016 UTC
RESOLVED AT 8:13PM, Dec 22, 2016 UTC
Total Volume: 3.356
This bet has been resolved!
The outcome was "No"
3.35612167 was split between 34 bettors.
Volume: | 0.2850 |
# of Bets: | 2 |
Volume: | 3.071 |
# of Bets: | 34 |
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