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Tiebreaking standard using the blockchain? Bitcoin Discussion
If you want to use multiple blocks, then pre-define a set of block heights. Repe…
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n/a | iddo | May 17, 2016, 12:55:26 PM |
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Tiebreaking standard using the blockchain? Bitcoin Discussion
This new "Bitcoin Beacon" paper has some answers to the OP:http://arxiv.org/abs/…
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n/a | iddo | May 17, 2016, 04:57:35 AM |
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[2014-06-20] Proof of Activity: Extending Bitcoin's Proof of Work via POS Press
He accepts a block with the transaction. It is 1 conf, but not 0-confIt's 0-PoW-…
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n/a | iddo | June 18, 2015, 01:44:35 AM |
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[2014-06-20] Proof of Activity: Extending Bitcoin's Proof of Work via POS Press
1. he makes one block with his own transaction to merchant and sends this block…
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n/a | iddo | June 16, 2015, 10:15:33 AM |
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[2014-06-20] Proof of Activity: Extending Bitcoin's Proof of Work via POS Press
4. Also we noticed a possible problem with the original PoA. ONLY the "last" "st…
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n/a | iddo | June 14, 2015, 01:43:58 PM |
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New HD wallet that tolerates leakage of some child private keys Development & Technical Discussion
So I think it would be an obvious improvement and might well be worth an increas…
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n/a | iddo | January 29, 2015, 01:57:01 PM |
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New HD wallet that tolerates leakage of some child private keys Development & Technical Discussion
So I think that your original non-hierarchical secret sharing variant makes more…
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n/a | iddo | January 29, 2015, 01:35:58 PM |
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New HD wallet that tolerates leakage of some child private keys Development & Technical Discussion
If you really want to give each child a,b,c,... ability to reveal up to na,nb,nc…
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n/a | iddo | January 29, 2015, 05:39:36 AM |
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Deterministic wallets Development & Technical Discussion
1. we need to be able to have an internal organization create the seeds on beha…
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n/a | iddo | October 22, 2014, 03:12:12 PM |
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Deterministic wallets Development & Technical Discussion
Re: deniable encryptionThe simple use-case for deniable encryption is an attacke…
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n/a | iddo | July 10, 2014, 04:59:30 AM |
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Preventing Pool Mining Development & Technical Discussion
This is an old idea http://bitcoinstats.com/irc/bitcoin-dev/logs/2011/11/21#l13…
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n/a | iddo | June 23, 2014, 07:07:22 PM |
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Proof of Activity Proposal Development & Technical Discussion
I meant to ask: If there's only a value cap, that'd mean a miner could trivially…
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n/a | iddo | June 23, 2014, 04:14:14 PM |
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Proof of Activity Proposal Development & Technical Discussion
I suppose it will just readjust based on the implicit(explicit?) fraction of BTC…
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n/a | iddo | June 20, 2014, 04:00:21 PM |
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Proof of Activity Proposal Development & Technical Discussion
PoA academic paper is now public:http://eprint.iacr.org/2014/452It was accepted…
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n/a | iddo | June 14, 2014, 11:33:48 PM |
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Proof of Activity Proposal Development & Technical Discussion
About the weird post above by coinxed: coins can be destroyed by not redeeming t…
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n/a | iddo | June 20, 2014, 06:40:25 AM |
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Proof of Activity Proposal Development & Technical Discussion
BTW, just to give a few concrete numbers that compare our PoA protocol with Bitc…
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n/a | iddo | December 18, 2012, 10:37:31 AM |
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Multi-PPS Pools |
n/a | iddo | May 30, 2014, 08:36:48 PM |
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Multi-PPS Pools |
n/a | iddo | May 27, 2014, 11:19:13 PM |
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new paper: Securing Bitcoin wallets via threshold signatures Development & Technical Discussion
https://freedom-to-tinker.com/blog/stevenag/new-research-better-wallet-security-…
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n/a | iddo | March 30, 2014, 11:49:23 AM |
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ZeroCash: 2nd gen with anonymization starting from the coinbase transaction Announcements (Altcoins)
FYI there's a newer ZeroCash talk by Eli Ben-Sasson at:https://www.youtube.com/w…
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n/a | iddo | March 27, 2014, 04:35:49 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
FYI there's a newer ZeroCash talk by Eli Ben-Sasson at:https://www.youtube.com/w…
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n/a | iddo | March 26, 2014, 07:57:46 AM |
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Dual SNARK: How to make ZKP with trusted initilization trustless in some cases. Development & Technical Discussion
For example, say I want to pay you conditional on you publishing a solution to a…
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n/a | iddo | March 16, 2014, 03:56:08 AM |
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Paper discusses solution to transaction malleability Development & Technical Discussion
I'll reply to myself, because I discussed it with Bitcoin devs at #bitcoin-wizar…
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n/a | iddo | March 06, 2014, 11:42:16 AM |
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Paper discusses solution to transaction malleability Development & Technical Discussion
Given the recent interest in transaction malleability, I'd like to bump this old…
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n/a | iddo | March 04, 2014, 11:20:08 AM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
Most mining now is done in certain hot spots, such as the big mine of Iceland [1…
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n/a | iddo | January 06, 2014, 03:57:21 AM |
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My proposal for GHOST protocol Development & Technical Discussion
If chain selection would depend on other node's proof of work as long as its wor…
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n/a | iddo | January 05, 2014, 06:29:17 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
In practice, this isn't really a problem, because the 2 rules almost always give…
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n/a | iddo | January 05, 2014, 06:42:30 PM |
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Deterministic wallets Development & Technical Discussion
Because of the (mod n) operation, it looks to me like any possible value of IL w…
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n/a | iddo | January 03, 2014, 09:33:17 PM |
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Anon136's NXT Giveaway Thread (weighted by forum notoriety) Altcoin Discussion
9750296245072558888thanks
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n/a | iddo | December 26, 2013, 08:33:14 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
F(prev_utxo_tree_hash, transaction set for current block) = utxo_tree_hashI mean…
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n/a | iddo | December 18, 2013, 04:40:32 AM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
No, because I want LTC to strengthen (higher hashrate leads to stronger network)…
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n/a | iddo | December 18, 2013, 04:47:35 AM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
The output of the validation could be the unspent outputsLong output will blowup…
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n/a | iddo | December 10, 2013, 03:41:58 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
Maybe. The proof needs to be verifiable without any blockchain data. Regular SNA…
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n/a | iddo | December 09, 2013, 07:44:16 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
I think the point of being zero knowledge is that you don't have to download the…
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n/a | iddo | December 09, 2013, 02:49:08 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
Guys, what you're talking about doesn't benefit from zero-knowledge, please goog…
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n/a | iddo | December 09, 2013, 11:40:16 AM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
jtimon, why zero-knowledge? And relying on a single validator is bad, because th…
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n/a | iddo | December 09, 2013, 10:06:30 AM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
There is no possibility for non-convergence. The most-work tree eventually wins…
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n/a | iddo | December 07, 2013, 06:29:45 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
2) This is a local-only change that does not require consensus. It's okay for li…
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n/a | iddo | December 07, 2013, 05:09:29 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
iddo, I think there are two things to point out with respect to that wizards' co…
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n/a | iddo | December 07, 2013, 04:21:48 PM |
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New paper: Accelerating Bitcoin's Trasaction Processing Development & Technical Discussion
After some discussion at #bitcoin-wizards (freenode IRC) with Aviv Zohar and sev…
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n/a | iddo | December 07, 2013, 12:10:02 PM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
I suspect that gmaxwell started this discussion in order to let LTC fail. Changi…
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n/a | iddo | December 06, 2013, 12:48:56 PM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
The miners can vote on whether they wish to change a protocol rule, as was the c…
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n/a | iddo | December 06, 2013, 02:34:21 AM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
Anyway, I believe it's morally wrong to change the POW 2+ years after launching…
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n/a | iddo | December 06, 2013, 01:31:02 AM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
Nobody wants to invest in something if the rules are just going to be changed la…
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n/a | iddo | December 06, 2013, 01:24:11 AM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
As far as a PoW that will be more ASIC resistant. What about Momentum PoW.. what…
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n/a | iddo | December 06, 2013, 12:55:54 AM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
Nothing is ASIC proof,A point I've argued many times. But in hindsight I was som…
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n/a | iddo | December 06, 2013, 12:12:27 AM |
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[LTC] Changing the litecoin Proof of Work function to avoid ASIC mining? Altcoin Discussion
tacotime and myself did a few benchmarks with tweaked scrypt params: https://bit…
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n/a | iddo | December 05, 2013, 11:22:44 PM |
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Wooden pinball-like stations that require thinking/coordination, 10% discount Goods
Listed with an extra discount at:http://www.bitcoinblackfriday.com/#cat=11http:/…
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n/a | iddo | November 29, 2013, 12:51:13 AM |
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the Block Discarding Attack / shellfish mining Development & Technical Discussion
You might be interested in my take on the issue (quite different from a computer…
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n/a | iddo | November 07, 2013, 06:48:01 PM |
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the Block Discarding Attack / shellfish mining Development & Technical Discussion
I can confirm that Lear has discussed with me the results of his research a day…
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n/a | iddo | November 06, 2013, 05:45:08 PM |
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Welcome Noobs-T-Shirts Goods
I bought 3 shirts and received the (ground) shipment after 2 weeks.Cool shirts,…
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n/a | iddo | October 27, 2013, 09:17:59 AM |
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Namecoin was stillborn, I had to switch off life-support Altcoin Discussion
Anyway, IMHO, Namecoin, while perhaps not perfect, has been running for a couple…
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n/a | iddo | October 15, 2013, 02:35:24 PM |
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Wooden pinball-like stations that require thinking/coordination, 10% discount Goods |
n/a | iddo | October 07, 2013, 01:24:36 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Similarly to atomic cross-chain trading (link), I think that a fair coin toss (w…
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n/a | iddo | August 18, 2013, 09:14:29 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
But that sounds fragile per my comment above: what if the user is using determin…
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n/a | iddo | September 24, 2013, 03:38:47 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
No Bob should broadcast his bet transaction before asking alice to do anything (…
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n/a | iddo | September 24, 2013, 06:31:35 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
If TxA' gets mined instead of TxA then TxB will be invalid and so no refund exis…
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n/a | iddo | September 24, 2013, 06:43:29 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Before the escrow payment confirms, however, Alice announces a mutant version of…
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n/a | iddo | September 23, 2013, 07:27:44 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
One very tiny request - could you please use regular script form instead of inve…
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n/a | iddo | September 23, 2013, 03:44:46 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
4. Bob creates a "bet" transaction that takes as input 2X of his own coins, and…
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n/a | iddo | September 23, 2013, 05:32:26 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion |
n/a | iddo | September 22, 2013, 02:10:22 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Hi Adam,Your post #32 is a little unclear to me: when you say INPUT(2v) I think…
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n/a | iddo | September 21, 2013, 05:32:17 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
It seems multiple people studied this protocol by now and there are no issues, s…
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n/a | iddo | September 17, 2013, 05:04:33 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Quote from: iddoIsn't there a timing risk here, where Bob is lucky enough to hav…
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n/a | iddo | September 20, 2013, 08:38:41 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
So setup as before using your example, first both parties create a multi-input c…
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n/a | iddo | September 20, 2013, 07:21:06 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
But I have a simpler more generic new idea - let the committing party win by def…
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n/a | iddo | September 20, 2013, 05:11:44 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
How much coins are we talking about that we want to avoid a third-party? Or is t…
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n/a | iddo | September 18, 2013, 05:36:57 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
My suggestion:1. Alice and Bob each lock up 3x the amount of bet using special i…
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n/a | iddo | September 17, 2013, 02:58:00 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
The loser could do this if they're not using iddo's protocol.The point is that i…
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n/a | iddo | September 16, 2013, 05:14:07 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
With regard to reading the LSB, there's OP_MOD in the Bitcoin script language th…
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n/a | iddo | September 16, 2013, 06:05:45 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Nice one iddo. Perhaps we should add that to the contracts wiki page.So are you…
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n/a | iddo | September 16, 2013, 05:41:17 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion |
n/a | iddo | September 16, 2013, 03:23:10 PM |
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REWARD offered for hash collisions for SHA1, SHA256, RIPEMD160 and other Development & Technical Discussion
The updated system requires the hashing function and the signing algorithm to be…
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n/a | iddo | September 16, 2013, 05:08:10 AM |
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Deterministic Usage of DSA and ECDSA Digital Signature Algorithms (RFC 6979) Development & Technical Discussion
If you have non-memory access related power or timing side channels (e.g. like a…
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n/a | iddo | September 11, 2013, 06:59:01 AM |
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Deterministic Usage of DSA and ECDSA Digital Signature Algorithms (RFC 6979) Development & Technical Discussion
I reached out to Colin Percival (who wrote scrypt, for example) for his thoughts…
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n/a | iddo | September 10, 2013, 03:51:31 AM |
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ECDSA Weak signing Development & Technical Discussion
If you go around disallowing a bunch of K values then you're decreasing security…
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n/a | iddo | September 10, 2013, 03:08:17 AM |
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ECDSA Weak signing Development & Technical Discussion
Huh? You're describing how to carry out one particular attack that succeeds with…
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n/a | iddo | September 09, 2013, 10:59:26 AM |
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Deterministic wallets Development & Technical Discussion
One was my request for an audit of my deterministic wallet solution, which does…
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n/a | iddo | August 26, 2013, 11:40:45 AM |
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CoinCovenants using SCIP signatures, an amusingly bad idea. Development & Technical Discussion
Well that's the thing really: you don't actually need SCIP to do covenants - SCI…
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n/a | iddo | August 22, 2013, 02:04:48 PM |
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CoinCovenants using SCIP signatures, an amusingly bad idea. Development & Technical Discussion
- it-feels-good-to-pretend-to-be-regular covenant: Spending block is required to…
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n/a | iddo | August 22, 2013, 02:02:08 PM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
I tried to convince Meni that it cannot easily be done if the party that learns…
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n/a | iddo | August 20, 2013, 02:18:02 PM |
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Proposal: usage and termonology of a BIP32 wallet Development & Technical Discussion
I agree in general that it's a good idea to make the Bitcoin client operate (by…
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n/a | iddo | August 20, 2013, 02:29:14 PM |
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Proposal: usage and termonology of a BIP32 wallet Development & Technical Discussion
I agree in general that it's a good idea to make the Bitcoin client operate (by…
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n/a | iddo | August 20, 2013, 03:11:26 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion |
n/a | iddo | August 20, 2013, 11:38:44 AM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
In general you'd provably destroy the coins in the off-chain system, in a way wh…
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n/a | iddo | August 19, 2013, 01:46:21 PM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
It seems to me that this general framework that Gregory Maxwell describes here s…
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n/a | iddo | August 20, 2013, 10:02:08 AM |
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CoinCovenants using SCIP signatures, an amusingly bad idea. Development & Technical Discussion
(Actually accomplishing this requires a bit of a hack: a SCIP program can't have…
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n/a | iddo | August 20, 2013, 09:50:15 AM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
An observation regarding privacy/fungibility: if a user sends a tainted coin eve…
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n/a | iddo | August 19, 2013, 06:36:44 PM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
Right, I see now. The thing that I missed is that you'd provably destroy the coi…
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n/a | iddo | August 19, 2013, 03:52:55 PM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
The user who can create the Bitcoin transaction that redeems the coin back into…
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n/a | iddo | August 19, 2013, 11:57:14 AM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
Correct me if I'm wrong, but it's still possible to double spend the transcripte…
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n/a | iddo | August 19, 2013, 11:35:06 AM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
When a user of one of these coins wants to exit the system (to compact its histo…
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n/a | iddo | August 19, 2013, 11:16:31 AM |
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Giveaway Thread for "MasterCoins" - the new protocol layer built on bitcoin Project Development
1JpVUU3VQjkYKSfot6PDQXs8un11Dg2ZZNI'll put it in my signature too.Thanks.
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n/a | iddo | August 15, 2013, 03:19:03 AM |
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Market-Based Solution to the Decentralization vs. Speed Trade-off Altcoin Discussion
For one such a fork to happen we need to have one-third of the gold holders to s…
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n/a | iddo | December 01, 2012, 11:20:09 AM |
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WebcoinX: colored coin web client demo Project Development
I tried it now, it mostly works quite nicely...Issues:1) When reloading the page…
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n/a | iddo | July 31, 2013, 02:45:00 PM |
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Wooden pinball-like stations that require thinking/coordination, 10% discount Goods
i love this. please keep your discount up for the future, I would like to make a…
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n/a | iddo | July 22, 2013, 09:20:33 AM |
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Wooden pinball-like stations that require thinking/coordination, 10% discount Goods
My familiy's business now accepts Bitcoin: http://aviot.com/vb/index.htmlWe are…
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n/a | iddo | July 20, 2013, 01:03:53 PM |
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[XPM] [ANN] Primecoin Release - First Scientific Computing Cryptocurrency Announcements (Altcoins)
In primecoin a similar checkpoint system is present, but it's user enabled, and…
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n/a | iddo | July 09, 2013, 10:07:13 AM |
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Eternal Choice for the Dark Side Attack (ECDSA) and the Safe Mode solution Development & Technical Discussion
Also in Safe Mode, the clients do not accept any chain reorganization of length…
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n/a | iddo | June 27, 2013, 11:56:13 AM |
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Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
... it feels to me like finding an essentially zero-cost way to increase transac…
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n/a | iddo | June 02, 2013, 05:50:14 AM |
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