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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
miners validate 3 things about other miners work:a) that previous coins have the…
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n/a | adam3us | June 06, 2013, 06:16:56 PM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
Here's a concrete example of [...] a system with properties between Zerocoin, an…
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n/a | adam3us | June 06, 2013, 11:18:32 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
So apart from the political blather this bit seems to be like a potentially inte…
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n/a | adam3us | June 06, 2013, 07:57:48 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
I thought Gavin said ordinary people don't care much about anonymity. I'm not su…
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n/a | adam3us | June 06, 2013, 05:40:43 AM |
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Is Ashish Gulhati, et al., Satoshi Nakamoto? Off-topic
Since this thread has been up, Ashish posted then deleted a tweet on Twitter per…
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n/a | adam3us | June 05, 2013, 07:26:28 PM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
thank you for that concise explanation. i think i am 70% "there" to understand t…
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n/a | adam3us | June 05, 2013, 01:14:33 PM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
Call me crazy, but if the algorithm is able to determine that you own the blinde…
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n/a | adam3us | June 05, 2013, 08:11:34 AM |
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Is Ashish Gulhati, et al., Satoshi Nakamoto? Off-topic
Proof that Ashish worked on Hashcash: http://web.archive.org/web/20070111153902/…
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n/a | adam3us | June 05, 2013, 04:41:00 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
As I understand it, miners validate each other's work in the bitcoin network. S…
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n/a | adam3us | June 05, 2013, 06:28:47 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
Adam very well was in a position to be Satoshi - bitcoin is just a different app…
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n/a | adam3us | June 04, 2013, 03:45:04 PM |
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who is this annoying Adam Back guy? Bitcoin Discussion
Taking a leaf from Meni Rosenfeld https://bitcointalk.org/index.php?topic=12131…
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n/a | adam3us | June 04, 2013, 02:22:30 PM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
Greg Maxwell also and others proposed taint mixing using multiple coin inputs.I…
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n/a | adam3us | June 03, 2013, 03:11:40 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Don't you still need to validate enough to be able to collect the fees and stop…
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n/a | adam3us | June 01, 2013, 08:50:28 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
It seems at that point that all the block chain and miners are doing is helping…
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n/a | adam3us | June 01, 2013, 08:46:17 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
Zerocoin [...] I wonder if just using a couple of semi-trusted mixers would be a…
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n/a | adam3us | May 30, 2013, 09:22:38 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
the RSA accumulator of Benaloh [is] like a commutative hash function but using R…
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n/a | adam3us | May 30, 2013, 05:49:10 AM |
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timestamping, namespaces, validation & bitcoin Development & Technical Discussion
Bitcoin is described as relying on a timestamping service. Now in existing (non…
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n/a | adam3us | May 30, 2013, 08:32:41 AM |
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timestamping, namespaces, validation & bitcoin Development & Technical Discussion
I've been trying to understand the relationship between timestamping, namespaces…
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n/a | adam3us | May 30, 2013, 06:48:54 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
Btw I made a summary of the zerocoin paper here. http://www.mail-archive.com/cr…
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n/a | adam3us | May 28, 2013, 11:38:52 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
I can see the attraction of CPUs however if you optimized for the CPU to the det…
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n/a | adam3us | May 30, 2013, 04:56:33 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
I think one could make a mining function which was fairly hard to gain an advant…
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n/a | adam3us | May 30, 2013, 04:05:50 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Just found this interesting video of the Bitcoin conference:Dan Kaminsky Predict…
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n/a | adam3us | May 29, 2013, 04:22:14 PM |
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freshly created address argument (50% attack) Development & Technical Discussion
So reading the bitcoin paper it is claimed that the recipient generating hisaddr…
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n/a | adam3us | April 27, 2013, 06:16:24 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
I presume most share the view that "me too" forks of bitcoin thattweak parameter…
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n/a | adam3us | April 18, 2013, 05:14:52 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
So, if ordering is all the miners are doing, then validation isn't even necessar…
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n/a | adam3us | May 27, 2013, 03:39:17 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Interesting. We could do this for all transactions, and keep only transaction ha…
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n/a | adam3us | May 26, 2013, 12:38:10 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
I wonder how your solution actually prevents miners from censoring revealing tra…
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n/a | adam3us | May 25, 2013, 10:07:57 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Is the intended behaviour of a blind commit followed by a conflicting unblinded…
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n/a | adam3us | May 25, 2013, 09:21:43 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
I'm not against including addresses, I'm just trying to figure out if they are n…
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n/a | adam3us | May 25, 2013, 07:41:16 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Well they could iterate over UTXOs and amounts looking for a permutation and amo…
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n/a | adam3us | May 25, 2013, 05:32:23 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Well if there is no non-public info (like the public key is not public even thou…
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n/a | adam3us | May 25, 2013, 05:07:21 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
(I am taking it that balance is not on the address as such, but that each not ye…
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n/a | adam3us | May 25, 2013, 04:43:05 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
I don't understand the proposed protocol yet, but I'm wondering why we want to i…
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n/a | adam3us | May 24, 2013, 06:04:41 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Come to think of it, boolean satisfiability isn't such a good choice after all.…
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n/a | adam3us | May 24, 2013, 03:47:37 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Quote(For realism of this risk, note that according to Kaminsky there alreadyexi…
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n/a | adam3us | May 22, 2013, 05:45:46 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
@Adam:Can you give more details about how you would encode the commitment within…
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n/a | adam3us | May 22, 2013, 05:32:10 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Going back to the commit definition (symmetric version, with defense against ins…
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n/a | adam3us | May 22, 2013, 05:20:32 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
2) How to guarantee that no one will even send coins to the same hashed pubkey a…
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n/a | adam3us | May 20, 2013, 08:35:11 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
The plan is actually to move [to] type-2 derivation [...] the user doesn't need…
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n/a | adam3us | May 20, 2013, 08:19:38 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
So I take it that you now agree with what I wrote in post #17 here, and that you…
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n/a | adam3us | May 16, 2013, 01:41:38 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
You said here that the network won't allow Alice to double-spend because when Al…
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n/a | adam3us | May 16, 2013, 11:19:34 AM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
So if a maclicious attacker somehow managed to obtain some pubkey pk0 of Alice,…
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n/a | adam3us | May 15, 2013, 08:41:24 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
The committed transactions have to include fees (in the clear outside of he comm…
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n/a | adam3us | May 15, 2013, 08:28:15 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
You wrote that the blind commitment is H(input-pub)H(transaction), what does tha…
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n/a | adam3us | May 15, 2013, 07:59:52 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
So the blind commitment goes into the block chain. It sits there until the reci…
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n/a | adam3us | May 15, 2013, 07:04:29 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Suppose Alice has some (e.g. tainted) coins and she wishes to buy a product from…
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n/a | adam3us | May 15, 2013, 06:57:22 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Why wouldn't the big miners cartel still be able to impose their greedy/maliciou…
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n/a | adam3us | May 15, 2013, 04:27:18 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Or, you could just always pay to a _new_ address as the system was intended and…
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n/a | adam3us | May 15, 2013, 02:06:46 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
Here's two of my replies to comments on the above on on the dev mailing list.Quo…
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n/a | adam3us | May 15, 2013, 12:22:03 PM |
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blind symmetric commitment for stronger byzantine voting resilience Development & Technical Discussion
So in a previous mailhttps://bitcointalk.org/index.php?topic=205533.msg2149057#m…
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n/a | adam3us | May 15, 2013, 12:16:46 PM |
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bitcoin taint & unilateral revocability (Re: ecash and revocability) Development & Technical Discussion
So back in 1999, in an ecash thread on cypherpunks I claimed:http://marc.info/?l…
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n/a | adam3us | May 14, 2013, 04:47:49 PM |
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ecash and revocability Development & Technical Discussion
So back in 1999, in an ecash thread on cypherpunks I claimed:http://marc.info/?l…
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n/a | adam3us | May 14, 2013, 04:46:02 PM |
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hashcash bitcoin merged mining (Re: Coinbase TxOut Hashcash and off-chain) Development & Technical Discussion
Sorry, I still don't understand what that means.I didnt quite follow the write u…
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n/a | adam3us | May 11, 2013, 05:29:18 AM |
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Coinbase TxOut Hashcash and off-chain, anonymous, probabalistic, micro-payments Development & Technical Discussion
So do you think there is still a role for hashcash as a separate (pseudo-)curren…
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n/a | adam3us | May 11, 2013, 06:25:37 AM |
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Kaminsky: dark-miners? Re: Wired/Kaminsky: Let’s Cut Through the Bitcoin Hype Press
Quote from: Dan KaminskyA number of parties have >51% powers, and are not using…
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n/a | adam3us | May 08, 2013, 05:16:52 PM |
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Kaminsky: dark-miners? Re: Wired/Kaminsky: Let’s Cut Through the Bitcoin Hype Press
Let’s Cut Through the Bitcoin Hype: A Hacker-Entrepreneur’s Takeby Dan KaminskyU…
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n/a | adam3us | May 07, 2013, 11:25:13 AM |
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pooled mining luck theft attack? Development & Technical Discussion
Wow I did not see that coming. It seems to actually work to shake the network i…
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n/a | adam3us | May 06, 2013, 07:11:05 AM |
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pooled mining luck theft attack? Development & Technical Discussion
I dont think thats possible other than as a self-harming DoS, because the reward…
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n/a | adam3us | May 05, 2013, 07:00:35 PM |
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pooled mining luck theft attack? Development & Technical Discussion
I outlined a scheme to achieve a zero-trust, unskimmable and non-server-hackable…
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n/a | adam3us | May 05, 2013, 02:42:49 PM |
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pooled mining luck theft attack? Development & Technical Discussion
The common (only?) GBT pool server software checks to make sure the work matches…
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n/a | adam3us | May 05, 2013, 10:23:14 AM |
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adopting block chain orphans Development & Technical Discussion
Controlling the time between blocks is also important for minimizing bandwidth a…
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n/a | adam3us | May 05, 2013, 09:59:12 AM |
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auditable pool mining (Re: [8500 GH/s] Slush's Pool (mining.bitcoin.cz)) Pools
In this way reward can not be reassigned, without redoing the work, and other th…
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n/a | adam3us | May 05, 2013, 09:18:48 AM |
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auditable pool mining (Re: [8500 GH/s] Slush's Pool (mining.bitcoin.cz)) Pools
The pool has been hacked. Fortunately I noticed it fast enough, so I made databa…
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n/a | adam3us | May 05, 2013, 08:06:38 AM |
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pooled mining luck theft attack? Development & Technical Discussion
Someone with better knowledge of the pooled mining code could check my potential…
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n/a | adam3us | May 04, 2013, 08:08:53 PM |
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adopting block chain orphans Development & Technical Discussion
But anyway some more thoughts: because its no longer a first past the post raceM…
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n/a | adam3us | May 04, 2013, 05:59:34 PM |
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adopting block chain orphans Development & Technical Discussion
With this approach also faster, smaller transaction blocks could perhaps be used…
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n/a | adam3us | May 03, 2013, 07:32:11 PM |
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adopting block chain orphans Development & Technical Discussion
It seems to me that discarding orphan blocks outright loses their potential util…
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n/a | adam3us | May 03, 2013, 06:54:28 PM |
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CoinLab suing MtGox for $75 milliion? Service Discussion
There's a link to the court documents in the Gawker article.http://www.scribd.co…
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n/a | adam3us | May 03, 2013, 10:00:10 AM |
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CoinLab suing MtGox for $75 milliion? Service Discussion
When they sue, why not sue them for bitcoins?+ 1No no thats no how it works. A…
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n/a | adam3us | May 03, 2013, 09:42:41 AM |
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why not measure difficulty in bits? Development & Technical Discussion
the difficulty precision is not that critical anyway.btw what I was thinking the…
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n/a | adam3us | May 02, 2013, 12:37:19 PM |
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why not measure difficulty in bits? Development & Technical Discussion
I was thinking about the block treats it.In summaryOK yes thats what I was refer…
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n/a | adam3us | May 02, 2013, 10:26:35 AM |
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why not measure difficulty in bits? Development & Technical Discussion
It actually uses a floating point system.It depends how you treat it - you could…
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n/a | adam3us | May 02, 2013, 08:01:25 AM |
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why not measure difficulty in bits? Development & Technical Discussion
The difficulty is actually in bits, the field in the block that contains it is c…
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n/a | adam3us | May 02, 2013, 07:46:13 AM |
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why not measure difficulty in bits? Development & Technical Discussion
Why is bitcoin difficulty not expressed in bits?I don't have any problem with ei…
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n/a | adam3us | May 01, 2013, 07:08:12 PM |
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why not measure difficulty in bits? Development & Technical Discussion
It would mean that the steps in difficulty would have to be factors of 2.If the…
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n/a | adam3us | May 01, 2013, 06:29:44 PM |
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iceland switches to bitcoin (Press Releases We’d Like to See) Politics & Society
http://www.platformonomics.com/2013/05/press-releases-wed-like-to-see-iceland-em…
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n/a | adam3us | May 01, 2013, 05:34:54 PM |
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why not measure difficulty in bits? Development & Technical Discussion
Why is bitcoin difficulty not expressed in bits?With hashcash I always used bits…
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n/a | adam3us | May 01, 2013, 05:16:54 PM |
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Roger Ver and Jon Matonis pushed aside now that Bitcoin is becoming mainstream Bitcoin Discussion
Maybe you should have someone like Adam Back who developed hashcash be a contact…
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n/a | adam3us | April 22, 2013, 05:40:06 PM |
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amortizable hashcash & zero-trust poolfree Development & Technical Discussion
So, the pool sends a header with a random miner id embedded, which cannot be cha…
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n/a | adam3us | April 22, 2013, 10:00:19 AM |
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amortizable hashcash & zero-trust poolfree Development & Technical Discussion
I know that Hashcash is your baby and you're rightly proud of it, but Bitcoin is…
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n/a | adam3us | April 21, 2013, 05:45:38 PM |
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amortizable hashcash & zero-trust poolfree Development & Technical Discussion
Hi BitcoinersA few topics:1. amortizable hashcash and zero-trust bitcoin pooling…
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n/a | adam3us | April 21, 2013, 08:51:43 AM |
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a better bot net use & software assurance (Re: defending ahead the p2p nature) Development & Technical Discussion
In an age where an attacker can rent a botnet of 1,000,000 PC, you don't want a…
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n/a | adam3us | April 21, 2013, 07:11:56 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Attacker hires [unethical hacker] to enter BTC dev circles, contribute, gain tea…
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n/a | adam3us | April 20, 2013, 01:42:32 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Surely thats just a question of mining in much smaller parts, so that rewards ar…
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n/a | adam3us | April 20, 2013, 02:05:45 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Maybe someone is rich and just wants to mess with the network. It seems unwise…
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n/a | adam3us | April 19, 2013, 07:14:44 PM |
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P2P Exchange for bitcoin Project Development
AdamI like the "use exchanges as just escrows" idea, but if the trades on a P2P…
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n/a | adam3us | April 19, 2013, 04:12:39 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Well my idea is this aim to get to 50:50 hashcash scrypt [or pool of algorithms]…
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n/a | adam3us | April 19, 2013, 04:06:13 PM |
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ppcoin like thought (Re: defending ahead the p2p nature of bitcoin) Development & Technical Discussion
(Here's a ppcoin like idea I wrote before reading about ppcoin. I havent quite…
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n/a | adam3us | April 19, 2013, 03:22:11 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
If a general purpose CPU can do it, then a purpose-built CPU can do it faster. …
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n/a | adam3us | April 19, 2013, 02:54:31 PM |
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hashcash deployment & reusing bitcoin hash failures for stamps Development & Technical Discussion
Very nice to see you here (although perhaps you meant 2008-2009 wrt emails from…
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n/a | adam3us | April 19, 2013, 02:01:33 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Well, if you don't mind, I will provide a few comments without specific quotes:W…
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n/a | adam3us | April 19, 2013, 01:32:16 PM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
In the very long run, mining will be dominated by your cost of electricity and y…
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n/a | adam3us | April 19, 2013, 12:58:56 PM |
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anti-DoS comments (Re: P2P Exchange for bitcoin) Project Development
Got an idea after all problems that MtGox often have because of DDOS and huge am…
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n/a | adam3us | April 19, 2013, 08:30:10 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Or a 6month design competition with review for security (no hidden trap-doors),…
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n/a | adam3us | April 19, 2013, 07:00:15 AM |
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defending ahead the p2p nature of bitcoin - blending hashcash & scrypt Development & Technical Discussion
Are we sure that there won't be any ASIC manufacturers that will sell them? All…
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n/a | adam3us | April 19, 2013, 05:12:02 AM |
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The Well Deserved Fortune of Satoshi Nakamoto, Visionary and Genious Bitcoin Discussion
Thats kind of an unfortunate privacy bug. Coincidentally I thought about and fi…
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n/a | adam3us | April 18, 2013, 06:28:48 PM |
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UK Exchange Website Trading Discussion
their market depth is 0. There are two asks at $99/btc and nothing more. Trade…
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n/a | adam3us | April 18, 2013, 07:26:39 AM |
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Introduce yourself :) Beginners & Help
Oh the ignominy of it - stuck in the newbie bin after 24 years of internet use,…
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n/a | adam3us | April 18, 2013, 06:27:49 AM |
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Is bitcoin mining environmentally responsible? Beginners & Help
Compared to the energy usage of all HFT-trading worldwide its nothing.I think yo…
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n/a | adam3us | April 18, 2013, 06:19:53 AM |
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Is bitcoin mining environmentally responsible? Beginners & Help
I'm surprised you haven't spotted the FUD in that article, its based on the figu…
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n/a | adam3us | April 17, 2013, 11:27:07 AM |
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