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Bitcoin 20MB Fork Bitcoin Discussion
I had an idea; as I understand it the SHA-256 hash calculations dominate the com…
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n/a | David Rabahy | March 04, 2015, 10:31:36 AM |
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maximum unconfirmed transactions Development & Technical Discussion
Per https://blockchain.info/unconfirmed-transactions, at height 346151, we have…
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n/a | David Rabahy | March 04, 2015, 09:40:21 AM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
Investor Letter — March 02, 2015 I [email protected]® UpdateWe are pleased…
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n/a | David Rabahy | March 02, 2015, 09:53:03 AM |
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Permanently keeping the 1MB (anti-spam) restriction is a great idea ... Bitcoin Discussion
At this time the software handles blocks up to 4GB ...Ah, that's plenty big for…
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n/a | David Rabahy | February 19, 2015, 11:32:17 AM |
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Permanently keeping the 1MB (anti-spam) restriction is a great idea ... Bitcoin Discussion
I, for one, would recommend avoiding all fancy logic for an adaptive block size;…
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n/a | David Rabahy | February 18, 2015, 09:03:37 AM |
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Permanently keeping the 1MB (anti-spam) restriction is a great idea ... Bitcoin Discussion
The ability to handle a large block is a functional topic; e.g. apparently there…
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n/a | David Rabahy | February 17, 2015, 10:06:52 AM |
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Bitcoin 20MB Fork Bitcoin Discussion
Have we tried increasing the block size limit on a test coin yet? We should mak…
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n/a | David Rabahy | February 13, 2015, 09:40:52 AM |
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Bitcoin 20MB Fork Bitcoin Discussion
right, although im glad we still have some time until it reaches its limit: http…
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n/a | David Rabahy | January 30, 2015, 04:52:07 PM |
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Elephants in the room, both good and bad Bitcoin Discussion
https://bitcointalk.org/index.php?topic=291183.msg3116134#msg3116134
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n/a | David Rabahy | January 27, 2015, 11:32:16 AM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
English is not my native language, so help me out: what, exactly, do you mean by…
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n/a | David Rabahy | January 14, 2015, 12:54:05 PM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
Lol, I take back everything I said--Bitcoiners are not the happiest people.But I…
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n/a | David Rabahy | January 14, 2015, 12:37:40 PM |
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This is why bitcoin is crashing Speculation
A bubble is a bubble, people buy in to it on the hope of it will be worth more i…
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n/a | David Rabahy | January 14, 2015, 12:26:31 PM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
OK, sorry, I did not mean that. The point is that the money that went into SM w…
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n/a | David Rabahy | January 14, 2015, 12:10:56 PM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
I bought through SecondMarket around $700/btc and I'm delighted to stay the cour…
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n/a | David Rabahy | January 14, 2015, 11:56:44 AM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
That means, there will be no redemptions: investors will have to find other inve…
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n/a | David Rabahy | January 14, 2015, 11:35:10 AM |
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Bitcoin Price Drops Below $200: Have We Reached the Bottom? Speculation
$20-80 will be the bottom.Gosh, that's incredible. How do you know? If you kno…
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n/a | David Rabahy | January 14, 2015, 11:30:25 AM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
Is there a set date for SMBIT to re-enable redemptions?When I last spoke with th…
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n/a | David Rabahy | January 14, 2015, 11:26:36 AM |
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This is why bitcoin is crashing Speculation
But last time I filled my car up they wouldn't take tulip bulbs. They were selli…
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n/a | David Rabahy | January 14, 2015, 11:23:10 AM |
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This is why bitcoin is crashing Speculation
To point out it was a bubble, bitcoin will be worthless, sure there is a limit o…
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n/a | David Rabahy | January 14, 2015, 11:12:34 AM |
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This is why bitcoin is crashing Speculation
Air is worth a lot to a suffocating person. Water is worth a lot to a thirsty p…
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n/a | David Rabahy | January 14, 2015, 11:01:06 AM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
So any updates Small guys are dumping, but that does not mean much I dont thin…
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n/a | David Rabahy | January 13, 2015, 09:43:39 PM |
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SecondMarket Bitcoin Investment Trust Observer Speculation
I bought through SecondMarket around $700/btc and I'm delighted to stay the cour…
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n/a | David Rabahy | January 14, 2015, 10:24:47 AM |
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Can I create a Bitcoin address with pen and paper ? Bitcoin Discussion
Base 16? What are the numbers 10, 11, 12, 13, 14, 15, 16 with that?One common co…
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n/a | David Rabahy | January 12, 2015, 11:44:07 AM |
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Gavin will visit the Council on Foreign Relations Bitcoin Discussion
You're right. That was Gavin-bait. Well David Rabahy it's been six months and st…
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n/a | David Rabahy | December 14, 2014, 09:01:53 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Windows 8.1Satoshi v0.9.3.0-g40d2041-betaexample output from Debug console "getr…
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n/a | David Rabahy | October 26, 2014, 11:44:07 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
[2] https://www.blocktrail.com/BTC/block-all/1 - you can sort by pool by clickin…
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n/a | David Rabahy | October 27, 2014, 07:27:21 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
I don't have historical data. But I just setup a rrdtool database to track the n…
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n/a | David Rabahy | October 26, 2014, 07:45:32 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
But clearly some blocks are already full right up to the 1MB limit. I've been d…
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n/a | David Rabahy | October 24, 2014, 11:42:30 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Um, is that it? How do we know if we've reached consensus? When will the versi…
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n/a | David Rabahy | October 24, 2014, 08:30:29 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
So who are we kidding with this? Are we doing the block segment code now or lat…
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n/a | David Rabahy | October 24, 2014, 04:25:29 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
1) What is the maximum value for MAX_BLOCKSIZE functionally possible given the A…
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n/a | David Rabahy | October 24, 2014, 01:23:23 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
I'm trying to build the JMT queuing model of Bitcoin. What is the measured dist…
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n/a | David Rabahy | October 23, 2014, 04:13:09 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Hmm, it came only 19 seconds (if the timestamps can be trusted) after the previo…
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n/a | David Rabahy | October 23, 2014, 04:05:43 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
I dunno know; here I am watching for blocks at or near the limit of 1MB and alon…
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n/a | David Rabahy | October 23, 2014, 04:02:06 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Another nice big block https://blockchain.info/block-height/326505 came through…
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n/a | David Rabahy | October 22, 2014, 02:34:40 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
I have an idea. Why not ask everyone in Bitcoin what they think we should do, th…
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n/a | David Rabahy | October 22, 2014, 11:13:32 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
https://en.bitcoin.it/wiki/Weaknesses#Spamming_transactions talks about spamming…
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n/a | David Rabahy | October 22, 2014, 11:02:48 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
.. more about this:there's actually the opposite kind of manipulation (or rather…
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n/a | David Rabahy | October 22, 2014, 11:00:20 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Perhaps the largest block http://blockexplorer.com/block/00000000000000000898b6d…
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n/a | David Rabahy | October 22, 2014, 09:08:31 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Anyone that wants to transact off-chain is able to do so independent of MAX_BLOC…
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n/a | David Rabahy | October 21, 2014, 04:06:34 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
A maximum block size which is too small will naturally lead to more off-chain ac…
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n/a | David Rabahy | October 21, 2014, 04:05:23 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Is there a known functional limit above which MAX_BLOCK_SIZE breaks the code? H…
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n/a | David Rabahy | October 19, 2014, 12:08:56 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
.. more about this:there's actually the opposite kind of manipulation (or rather…
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n/a | David Rabahy | October 18, 2014, 10:53:59 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
A miner that fills a block with self-dealing transactions (for whatever reason;…
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n/a | David Rabahy | October 18, 2014, 10:51:41 PM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
My 2uBTC on this issue:...I'd welcome comments / criticism of why having such a…
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n/a | David Rabahy | October 18, 2014, 01:14:25 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
A government with a strong enough military/police can potentially take over a mi…
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n/a | David Rabahy | October 18, 2014, 12:33:59 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
We should anticipate governments becoming miners; if they aren't already.
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n/a | David Rabahy | October 18, 2014, 12:26:42 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
One does not want to see a burst of transactions sit in a queue waiting to be bl…
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n/a | David Rabahy | October 17, 2014, 10:28:34 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
http://en.wikipedia.org/wiki/Hysteresis
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n/a | David Rabahy | October 17, 2014, 10:20:46 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
Perhaps I am stating the obvious:1MB/10m = 1,667B/sDo not try running Bitcoin on…
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n/a | David Rabahy | October 15, 2014, 04:01:05 PM |
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Can I create a Bitcoin address with pen and paper ? Bitcoin Discussion
If you can do it by downloading and running bitaddress.org open source software…
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n/a | David Rabahy | October 13, 2014, 03:09:04 PM |
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Can I create a Bitcoin address with pen and paper ? Bitcoin Discussion
I'm pretty sure there's a reference implementation of it. There's this opensourc…
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n/a | David Rabahy | October 13, 2014, 02:00:06 PM |
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Can I create a Bitcoin address with pen and paper ? Bitcoin Discussion
Sure, just write down a 1, some random numbers and letters, then compute the che…
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n/a | David Rabahy | October 13, 2014, 01:54:59 PM |
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Can I create a Bitcoin address with pen and paper ? Bitcoin Discussion
Just for the fun of it, inspired by Ken Shirriff, I have gone ahead and written…
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n/a | David Rabahy | October 11, 2014, 02:05:11 PM |
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Can I create a Bitcoin address with pen and paper ? Bitcoin Discussion
Just for the fun of it, inspired by Ken Shirriff, I have gone ahead and written…
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n/a | David Rabahy | October 09, 2014, 09:34:06 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
I've added some "instructions" within the sheet. Enjoy.
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n/a | David Rabahy | October 09, 2014, 04:09:11 PM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
Since you are using Excel maybe this VB.net code may help you:http://www.reddit.…
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n/a | David Rabahy | October 09, 2014, 02:01:18 PM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
I'm thinking about my next enhancement. Any suggestions/requests?There was a th…
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n/a | David Rabahy | October 09, 2014, 11:38:55 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
I'm thinking about my next enhancement. Any suggestions/requests?There was a th…
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n/a | David Rabahy | October 09, 2014, 10:05:46 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
I'm thinking about my next enhancement. Any suggestions/requests?There was a th…
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n/a | David Rabahy | October 09, 2014, 09:43:04 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
Is there a way to type in a string to hash and get the SHA256 of it? I would lik…
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n/a | David Rabahy | October 09, 2014, 09:11:37 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
I'm thinking about my next enhancement. Any suggestions/requests?
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n/a | David Rabahy | October 08, 2014, 10:41:26 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
donations to 17MCh7jJ4dHU5iAfLPv2t8hdjGDDzn95DK
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n/a | David Rabahy | October 07, 2014, 04:42:58 PM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
https://docs.google.com/spreadsheets/d/1mOTrqckdetCoRxY5QkVcyQ7Z0gcYIH-Dc0tu7t9f…
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n/a | David Rabahy | October 03, 2014, 11:46:54 AM |
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spreadsheet showing SHA-256 calculations in step-by-step detail Development & Technical Discussion
Nice!Where you inspired by this?http://gizmodo.com/mining-bitcoin-with-pencil-an…
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n/a | David Rabahy | October 06, 2014, 07:50:09 AM |
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Bicliques preimage attack, is it a worry? Development & Technical Discussion
The referenced paper is obviously a public attack, so to speak. One wonders wha…
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n/a | David Rabahy | October 03, 2014, 08:57:43 AM |
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Bicliques preimage attack, is it a worry? Development & Technical Discussion
One wonders if the Bitcoin reference implementation is built upon one of the SHS…
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n/a | David Rabahy | October 03, 2014, 08:54:15 AM |
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Bicliques preimage attack, is it a worry? Development & Technical Discussion
Ah, SHA-256 is 64 rounds, whereas the paper in question talks about of an attack…
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n/a | David Rabahy | October 03, 2014, 08:50:14 AM |
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Bicliques preimage attack, is it a worry? Development & Technical Discussion
http://eprint.iacr.org/2011/286.pdf
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n/a | David Rabahy | October 02, 2014, 10:20:00 AM |
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Cost of mining 1 Bitcoin hits market price in Nov... What will happen? Economics
In my opinion it is a very good thing to have the most hashing power up and runn…
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n/a | David Rabahy | September 25, 2014, 03:29:58 PM |
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1933 bank holiday Politics & Society
http://www.newyorkfed.org/research/epr/09v15n1/0907silb.pdf documents an amazing…
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n/a | David Rabahy | September 22, 2014, 12:52:20 PM |
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[2014-09-08] Paypal adopts bitcoin, it's official. Press
Every time I see something like that I think the price should shoot up on the po…
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n/a | David Rabahy | September 09, 2014, 10:28:46 AM |
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Pool Competitors: Want to Stop GHash.IO from getting to 50%? Pools
How can pools be reliably inhibited from growing too large?by using p2pool that…
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n/a | David Rabahy | June 13, 2014, 10:07:56 AM |
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Pool Competitors: Want to Stop GHash.IO from getting to 50%? Pools
How can pools be reliably inhibited from growing too large?
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n/a | David Rabahy | June 11, 2014, 04:30:21 PM |
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[2014-06-09] GHash Nears 51% Press
How do we know that Ghash.io and Discus Fish are not controlled be the same user…
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n/a | David Rabahy | June 09, 2014, 01:41:18 PM |
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[2014-06-09] GHash Nears 51% Press
Can there be a proof of non-collusion?I suppose we could start by trying to prov…
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n/a | David Rabahy | June 09, 2014, 01:26:48 PM |
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[2014-06-09] GHash Nears 51% Press
Can there be a proof of non-collusion?
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n/a | David Rabahy | June 09, 2014, 01:23:20 PM |
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[2014-06-09] GHash Nears 51% Press
Couldn't the Ghash.io folks just chop their pool into two 20% pieces or better y…
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n/a | David Rabahy | June 09, 2014, 01:20:10 PM |
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[2014-06-09] GHash Nears 51% Press
And they might have already hidden a lot of their hash power in the "unknown" 2…
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n/a | David Rabahy | June 09, 2014, 01:18:25 PM |
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[2014-06-09] GHash Nears 51% Press
Um, does participating in one pool over another provide superior benefits?Couldn…
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n/a | David Rabahy | June 09, 2014, 11:00:42 AM |
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BTC drop to next level coming...bail the F out now! Speculation
In what part of the worldsolarsystem does 13 days constitute one month?An astero…
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n/a | David Rabahy | May 09, 2014, 09:43:52 PM |
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rpietila Wall Observer - the Quality TA Thread ;) Speculation
Oh, that's interesting. Rather than rushing ahead of ourselves, we need to let…
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n/a | David Rabahy | May 05, 2014, 02:16:45 PM |
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rpietila Wall Observer - the Quality TA Thread ;) Speculation
The exchange rate is fundamentally driven by emotion at this time. It's going t…
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n/a | David Rabahy | May 05, 2014, 11:15:37 AM |
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rpietila Wall Observer - the Quality TA Thread ;) Speculation
My non-retirement Bitcoins were acquired on the following dates;April 25, 2013Ap…
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n/a | David Rabahy | March 31, 2014, 03:10:15 PM |
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rpietila Wall Observer - the Quality TA Thread ;) Speculation
Most people I know who have heard of bitcoin, the first thing they do is buy GPU…
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n/a | David Rabahy | March 31, 2014, 12:15:49 PM |
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IRS Releases Tax Rules on BTC Legal
An artist creates a work of art. The work of art is property. Does the artist…
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n/a | David Rabahy | March 31, 2014, 09:29:29 AM |
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rpietila Wall Observer - the Quality TA Thread ;) Speculation
I'm watching for a buy in mid-April; not interested in catching the exact bottom…
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n/a | David Rabahy | March 20, 2014, 10:56:47 AM |
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campaign to get Amazon to accept Bitcoin Bitcoin Discussion
Your AccountAmazon.com Message From Customer ServiceHello,I understand that yo…
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n/a | David Rabahy | March 13, 2014, 08:33:01 AM |
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campaign to get Amazon to accept Bitcoin Bitcoin Discussion
Post your efforts to get Amazon to accept Bitcoin here.
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n/a | David Rabahy | March 13, 2014, 08:31:15 AM |
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2014-02-26 Money CNN - How Mt.Gox went down (with follow-up interview) Press
I'm trying to do my best to minimize the heaps of BS with my CNBC Squawk on the…
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n/a | David Rabahy | March 05, 2014, 04:38:27 PM |
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2014-03-05 CNBC - Head of virtual currency exchange found dead in Singapore Press
"First Meta" first appears in this forum over a year ago;
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n/a | David Rabahy | March 05, 2014, 03:06:55 PM |
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2014-03-05 CNBC - Head of virtual currency exchange found dead in Singapore Press
I've gotten three e-mails with links to this so far... never even heard of First…
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n/a | David Rabahy | March 05, 2014, 03:03:05 PM |
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2014-03-05 CNBC - Head of virtual currency exchange found dead in Singapore Press
http://www.cnbc.com/id/101468694 -- "... rash of suicides ..."; that's disturbin…
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n/a | David Rabahy | March 05, 2014, 02:58:23 PM |
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2014-02-26 Money CNN - How Mt.Gox went down Press
http://money.cnn.com/gallery/technology/security/2014/02/27/bitcoin-mtgox/3.html…
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n/a | David Rabahy | March 04, 2014, 01:21:26 PM |
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2014-02-26 Money CNN - How Mt.Gox went down (with follow-up interview) Press
When I read http://money.cnn.com/2014/02/25/technology/security/bitcoin-mtgox/in…
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n/a | David Rabahy | March 04, 2014, 01:18:22 PM |
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BREAKING NEWS: Multiple Exchanges Affected - Possible Global Shutdown Bitcoin Discussion
If so, it seems to me if we learn anything from this debacle is that bitcoin nee…
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n/a | David Rabahy | February 26, 2014, 03:28:50 PM |
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My Thesis Work On Bitcoin - Passing Some Ideas By You Economics
What level? An undergraduate thesis would be very different than a doctorial th…
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n/a | David Rabahy | February 14, 2014, 04:16:22 PM |
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My Thesis Work On Bitcoin - Passing Some Ideas By You Economics
What kind of thesis?
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n/a | David Rabahy | February 14, 2014, 03:48:17 PM |
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Why do people keep saying BTC is dead?! Economics
Unfortunately the process of natural selection does not operate at the speed of…
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n/a | David Rabahy | February 14, 2014, 08:24:57 AM |
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Monthly average USD/bitcoin price & trend Economics
The first 150x was utterly trivial compared to the next 150x; this endeavor is n…
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n/a | David Rabahy | February 09, 2014, 10:47:31 PM |
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