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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Request for commenthttp://voxelsoft.com/dev/cct.html
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n/a | Mixles | June 09, 2015, 08:49:24 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I am offering a prize pool of 10 Bitcoin (about 3,600 USD at time of writing) fo…
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n/a | Mixles | February 02, 2016, 07:13:19 AM |
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[Crypto] BOUNTY 10 BTC - Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Quick paper update, we have 4 cases to consider with (2) and (4) being interesti…
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n/a | Mixles | December 22, 2015, 12:41:02 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I have had a little bit of time, so I can present an up-to-date apples-to-orange…
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n/a | Mixles | December 16, 2015, 08:59:48 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Someone has emailed me, demonstrating that a prime c still allows cheating. With…
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n/a | Mixles | December 10, 2015, 07:34:49 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I think a better way to fix this is to require c to be a prime, instead of addin…
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n/a | Mixles | December 09, 2015, 06:02:36 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I think a better way to fix this is to require c to be a prime, instead of addin…
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n/a | Mixles | December 05, 2015, 02:50:32 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I am offering a prize pool of 10 Bitcoin (about 3,600 USD at time of writing) fo…
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n/a | Mixles | December 04, 2015, 07:59:47 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
There is something else.Knowing the prime curve order n, the Prover can cheat wi…
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n/a | Mixles | November 22, 2015, 12:54:20 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
If you have the time and inclination, I would sure love to read a more elaborate…
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n/a | Mixles | November 21, 2015, 01:37:30 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Does this apply because of the two base points G and E introduced when you switc…
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n/a | Mixles | November 20, 2015, 06:14:09 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Someone at UCL has pointed out the assumption of unknown factorisation for the m…
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n/a | Mixles | November 19, 2015, 09:11:11 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Please consider to not remove because my version of your design eliminates the u…
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n/a | Mixles | November 14, 2015, 06:49:06 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I want to compute the probabilities of restarting the protocol in step 4 of the…
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n/a | Mixles | November 13, 2015, 03:20:49 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Denis, on quick glance this appears to be superior to the current Distribute alg…
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n/a | Mixles | November 13, 2015, 02:59:54 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
The optimization doesn't work.For E=a*G, F = (-a-2)*E, F is a negative number b…
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n/a | Mixles | October 18, 2015, 07:37:22 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
This is sortof what is done for the scalars in Joint Sparse Form multiplication,…
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n/a | Mixles | October 18, 2015, 05:51:14 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I've been toying around with a 384 bit quadratic extension field curve that supp…
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n/a | Mixles | October 18, 2015, 04:33:30 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I have had a little bit of time, so I can present an up-to-date apples-to-orange…
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n/a | Mixles | October 15, 2015, 07:26:54 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Thinking of replacing U and V in the hash with their sum W = U + V = r*G + r*E t…
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n/a | Mixles | October 18, 2015, 04:01:18 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Thinking of replacing U and V in the hash with their sum W = U + V = r*G + r*E t…
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n/a | Mixles | October 18, 2015, 02:05:04 PM |
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Gold collapsing. Bitcoin UP. Speculation
I'm not sure I'm following. Based on the ratio of empty blocks to non-empty blo…
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n/a | Mixles | July 05, 2015, 04:57:53 AM |
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Gold collapsing. Bitcoin UP. Speculation
Thanks Mixles! Do you have any thoughts on why F2Pool and AntPool are mining so…
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n/a | Mixles | July 05, 2015, 04:17:20 AM |
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Gold collapsing. Bitcoin UP. Speculation
Great point. Does anyone know how Bitcoin Core currently works in this regards?…
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n/a | Mixles | July 05, 2015, 03:56:16 AM |
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Gold collapsing. Bitcoin UP. Speculation
Great point. Does anyone know how Bitcoin Core currently works in this regards?…
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n/a | Mixles | July 05, 2015, 04:04:46 AM |
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Gold collapsing. Bitcoin UP. Speculation
I see no problem with SPV mining while verifying the previous block. It would al…
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n/a | Mixles | July 05, 2015, 03:52:01 AM |
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Gold collapsing. Bitcoin UP. Speculation
Why are bondholders made whole from the funds of the depositors? The rules are t…
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n/a | Mixles | July 03, 2015, 07:07:09 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Anyway, for t=256, the scheme can be easily adapted: use 1024 bit elliptic curve…
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n/a | Mixles | July 02, 2015, 12:02:49 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
My concern is that when analyzing the security of hash functions, there are subt…
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n/a | Mixles | July 02, 2015, 02:06:15 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
1. I think I found a problem in the zero-knowledge proof of F=x^2*G for a small…
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n/a | Mixles | June 29, 2015, 03:48:36 PM |
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Gold collapsing. Bitcoin UP. Speculation
Édit: any feed-back tho? Im having doubts as to if i have done it right..https:/…
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n/a | Mixles | June 30, 2015, 06:02:35 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Then you slander me in every other (or third) post with snide insinuations about…
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n/a | Mixles | June 30, 2015, 01:08:02 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Given how catastrophic breaking the smallness is for ALL holders of the the enti…
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n/a | Mixles | June 29, 2015, 07:54:39 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
The value is not hashed.My assumption is that in Bitcoin 101 any hash is the has…
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n/a | Mixles | June 29, 2015, 07:30:13 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
When those hashed commitments are spent as inputs to a CCT transaction then the…
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n/a | Mixles | June 29, 2015, 06:47:20 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
When values are hidden, the spenders are just as equiprobable, as when the denom…
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n/a | Mixles | June 29, 2015, 06:18:47 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Thus the actual security is perhaps 2^64 (but I am not sure if a collision attac…
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n/a | Mixles | June 29, 2015, 06:24:24 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Isn't 128-bits deemed to be too low for hash functions? Afaik, 256-bit hash func…
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n/a | Mixles | June 29, 2015, 06:08:26 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I challenge you to rewrite what I wrote on that issue and remove what you claim…
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n/a | Mixles | June 29, 2015, 06:01:42 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Moreover, the discrete logarithm can only attack zero knowledge. If you can co…
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n/a | Mixles | June 29, 2015, 04:49:07 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Ah yes. I was thrown off by the statement that "prover also knows that x < b". T…
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n/a | Mixles | June 29, 2015, 04:43:55 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Ah yes. I was thrown off by the statement that "prover also knows that x < b". T…
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n/a | Mixles | June 29, 2015, 03:58:06 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
With big curves the satoshi error is small. Paper revised to use single-square m…
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n/a | Mixles | June 29, 2015, 07:05:21 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I assume the randint in the x1 line is just a typo.Check the precision. x1 shou…
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n/a | Mixles | June 29, 2015, 05:11:39 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
I think that your square-roots have too few bits.In your current scheme x1 has 1…
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n/a | Mixles | June 28, 2015, 07:08:51 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Didn't I just break your smallness proof?Nope. This is a long time peer-reviewed…
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n/a | Mixles | June 29, 2015, 03:16:18 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Why isn't that also the case for m = r + c * x? Verifier knows c thus the possib…
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n/a | Mixles | June 28, 2015, 09:43:02 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Afaik, the only purpose of c is so the prover doesn't cheat, so it is okay if it…
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n/a | Mixles | June 28, 2015, 09:13:42 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Probably I am incorrect, because I don't have much experience in this field, but…
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n/a | Mixles | June 28, 2015, 08:26:46 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Employing an extra proof per output similar to the smallness NIZKP in the first…
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n/a | Mixles | June 28, 2015, 06:43:41 AM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
1. You wrote, "2To save space, SUM j=0 to outputs(∆j) is revealed as an unsigne…
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n/a | Mixles | June 27, 2015, 02:42:05 AM |
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Gold collapsing. Bitcoin UP. Speculation
Unbelievable! It's almost as if subsidizing spam/noise transactions creates mor…
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n/a | Mixles | June 25, 2015, 05:20:35 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Unfortunately, Andrew Poelstra was able to break the cryptosystem for this schem…
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n/a | Mixles | June 25, 2015, 03:28:00 PM |
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[Crypto] Compact Confidential Transactions for Bitcoin Development & Technical Discussion
Just as I'm getting over my migraine from learning about Confidential Transactio…
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n/a | Mixles | June 17, 2015, 06:23:38 PM |
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CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
It looks like you might need to write some code, as the post says "for completed…
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n/a | Mixles | June 16, 2015, 09:36:34 PM |
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Gold collapsing. Bitcoin UP. Speculation
Great article explaining some profound details about ownership:http://www.coinde…
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n/a | Mixles | June 15, 2015, 03:46:10 PM |
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[Crypto] Sumcoin Whitepaper - Compact Confidential Transactions Development & Technical Discussion
Is an implementation already available somewhere? Nope.Would be great to have it…
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n/a | Mixles | June 12, 2015, 12:10:18 AM |
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Gold collapsing. Bitcoin UP. Speculation
The one good thing to have come out of Blockstream is the confidential values te…
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n/a | Mixles | June 14, 2015, 04:09:57 PM |
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CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
In order to further incentivize work in this space there is now a multisignature…
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n/a | Mixles | June 12, 2015, 07:13:32 AM |
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Gold collapsing. Bitcoin UP. Speculation
Cryptonote/Monero vs. Sumcoin/Blockstream's Confidential TransactionsAfaics, the…
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n/a | Mixles | June 10, 2015, 06:37:13 PM |
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Gold collapsing. Bitcoin UP. Speculation
https://people.xiph.org/~greg/confidential_values.txtI remember watching Adam Ba…
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n/a | Mixles | June 09, 2015, 10:41:57 AM |
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Gold collapsing. Bitcoin UP. Speculation
https://people.xiph.org/~greg/confidential_values.txtI remember watching Adam Ba…
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n/a | Mixles | June 09, 2015, 06:51:26 AM |
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Alt-Coins Beginners & Help |
n/a | Mixles | August 24, 2013, 12:50:46 PM |
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