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1  Economy / Collectibles / [Auction] Casascius Coins / Bitbills - Ending June 1st on: May 14, 2019, 07:50:30 PM
I am looking to auction the following items

2013 0.5BTC Casascius coin.

Userbills link:

Bidding starts: 0.5btc

2011 1.0BTC single error Casascius coin.

Userbills link:

Bidding starts: 1.0btc

Bitbills 1BTC card that I was given at the (2011) first Bitcoin Conference

Bidding starts: 1.0btc

I am selling these because I don't have the time I feel necessary to ensure that they are kept safely.

Minimum bid: 0.001btc
Bidding ends: June 1st 2019 at 12pm ET
Escrow: minerjones
2  Bitcoin / Bitcoin Discussion / What features would you like to see in a tool to track personal btc holdings? on: March 12, 2015, 11:10:28 PM

We're looking for feedback / suggestions on what to incorporate in the initial buildout.
3  Economy / Economics / Stop selling mined coins privately on: September 09, 2014, 07:16:47 PM
Miners, stop selling privately.  Here is why it is not in your best interest:

-Miners typically need to sell their coin immediately as they have invested in equipment that expects a return

-There are deals for fixed liquidity privately. Where the miners can sell their coins outside the open market at a premium or at a guaranteed price range for a set period of time

-Those deals exist because there are market makers who profit immensely from pulling wool over the miners eyes

For example: the maker can buy 10,000 coins privately, which reduces the volume on the public order books. They can then “splash” the thinner books by selling 2000 coins; thereby bringing the price down. Now they can continue negotiating with miners stating that the market rate is $X - which is significantly lower than the market rate had the miners just sold on the open market. The makers are intentionally trying to keep volume off the open books so that they can keep the price low so that they can continue buying their coins low. Someone with $20,000,000 they want to invest in bitcoin would be able to acquire many more bitcoins by using the above methodology.
4  Bitcoin / Bitcoin Discussion / Why I worked on CoinValidation on: September 04, 2014, 07:35:22 PM
If you’re unfamiliar with CoinValidation, that about sums it up… It was never clear to begin with. There are several reasons for why it’s not straight forward, and below I’ll attempt to sort it all out. First let me say the following: was an attempt to innovate in what we thought may be the most controversial side of Bitcoin; the identity layer. It is not a specific technology, the idea of whitelisting/blacklisting/xlisting whatever is totally off-base and was a rumor. Here is what CV really is:

It’s a thinktank.

It was an attempt by a small group of people to solve one of Bitcoin’s largest problems: no one was creating new technology in the identity layer of Bitcoin. We did not specifically want to endorse or profit from some piece of tech like blockchain analysis or whitelisting, etc. We simply wanted to explore what was possible. We found some interesting things, like tech that could reduce the risk of privacy loss in the standard KYC model. But that all went unheard because people thought we were trying to hurt user privacy or to affect fungibility.

People thought that we were building a for-profit startup focused on selling tech and user data wholesale… In fact, we were trying to do the exact opposite of that. It could best be described as a thinktank for the KYC and regulatory side of Bitcoin – which we had become familiar with during our time at Bitinstant.

Some of the ideas we explored and want to continue to explore:
  • How can Bitcoin companies comply with US regulations from a legal/tech standpoint?
  • What can Bitcoin companies do differently vs. typical financial companies, but still be compliant?
  • What is possible with blockchain analysis?
  • How can Bitcoin companies communicate patterns of fraud to each other?
  • How can ownership of assets be proven?
  • Can something like the MIT PGP database exist for Bitcoin addresses?
  • Is it unethical to build technology that enables Bitcoin businesses to tie into legacy systems?
  • How sensitive is the Bitcoin community to a group of people experimenting with what’s possible?

Here are some of the realizations we’ve had in exploring the above questions:
  • We facilitated the first underwriting of a mortgage to a bank as a proof of concept.
  • Bitcoin companies can comply with the regulations, and yes it is very limiting.
  • There are sophisticated ways that Bitcoin companies can communicate fraud patterns to each other.
  • That kind of communication could prevent another Mt. Gox type of failure, which is inevitably going to happen because it is not being addressed.
  • Blockchain analysis can be really scary.
  • Bitcoin is not anonymous in most contexts.
  • We designed a new way of hashing KYC data so that five points of attack can be reduced to two.
  • We found ways for companies to satisfy BSA requirements without having to store or transmit user information.

We stopped working on exploring these concepts because
  • No profit model translates to no funding.
  • The community tried to burn us at the stake.
  • I realized that I am not the best at public relations, and it’s hard to convey what I want to convey.

I continue to work on innovations on the regulatory front, but for obvious reasons – not at the level I probably should.

Still, here is what I believe is possible for companies:
  • Satisfy regulatory requirements here in the US if they want to.
  • Do it in a way that risks user privacy much less than what is currently in place in the Bitcoin ecosystem.
  • Have a system with less fraud, better consumer protection and AML, and less privacy loss than what exists in traditional financial AND current Bitcoinland.

Now the fact that it is possible  - doesn’t mean I’m endorsing it. Working with regulations here in the US is not some lofty philosophical decision for me. Businesses are going to work within that framework regardless of my thoughts on it because that is what the market will dictate. I’m simply trying to help navigate that landscape responsibly. Even though my personally philosophies are often in line with those of libertarianism.

People are going to buy their Bitcoins in the most efficient and effective way possible to them. The path the masses take to acquire and use Bitcoins will be the one which has the best user experience, closely parallels what they are used to, and costs the least. The masses don’t care about Ayn Rand or crypto anarchy.

We can push the boundaries of what is possible if we can stop fighting and solve real problems. Problems like this:
  • Why are users giving their KYC information to shady companies?
  • Why is the community trusting $700 million to one dude with an exchange written in PHP in Japan?
  • What is being done to prevent that from happening again?
  • Why is multi-sig not in full effect on every wallet valued greater than $1000?
  • Why is the community already satisfying most of the regulatory requirements, kicking and screaming that they exist, and then doing almost nothing to realistically change it?

Real change takes real work, and it’s not going to get done if the people innovating are ostracized for thinking outside the box. Creating real change is a massive undertaking. The challenge of navigating the Bitcoin legal landscape is going to take a lot of hard work and cooperation. Please feel free to comment with your questions about regulation here in the US – we have a lot of experience in this space and want to share what we’ve learned.

Of course CV failed at reaching minds with what we thought was very important information. But failing is how we learn sometimes, and I’m grateful that there are those in the community who see that what we work on is valuable. Thank you.
5  Bitcoin / Development & Technical Discussion / on: May 09, 2013, 06:44:38 AM
Testing is still an issue:

Please help by contributing to this:

Or please build something like it.

(I wish I had more time to work on it)
6  Bitcoin / Mining / Avalon Asic updated config file on: March 11, 2013, 06:58:58 PM
Here is the config file sent to me by the coolest ASIC builder I know:

It is an update to the stock config file that shipped with the first batch (afaik.)

Jeff Garzik asked me to post it here as it fixes a network issue. It is being used currently on the Bitcoin foundation ASIC and JGarzik's as well (afaik.)

Here is the MD5:
7  Bitcoin / Pools / What happened to - where are my bitcoins? on: January 31, 2013, 04:06:47 PM
I used for a while and probably mined 30+ coins on it. Apparently the site has disappeared... Does anyone know what happened or who has my coins?
8  Bitcoin / Project Development / Bitcoin Wireless Beta | on: December 17, 2012, 08:04:39 PM
The much anticipated is almost ready! We just need some friendly people to try it out before the big debut.

If you're interested (especially those with non-US mobile phones) - please send me a PM or post a reply to this thread. I will send along the beta site URL and info.

We're looking forward to launching soon, so that everyone can pay their cell phone bills with Bitcoin.

9  Bitcoin / Mining / Underclocking 6950 ram w/ afterburner need 2.1.0 on: July 21, 2012, 07:07:30 AM
-I recently purchased a new MB and SSD
-Installed windows, drivers, etc. on the new drive

I used to be able to underclock my two 6950s RAM to 310mhz with MSI afterburner. I would have to pull the slider all the way down once, apply, close, open, and repeat to get it to 310. I had the EULA unlock text added to the .cfg file etc.

With this new setup I cannot get it to reset the slider position when I exit and reopen afterburner. I have a feeling that the issue lies in the version of afterburner I just installed.

I can only find newer versions of afterburner on guru3d. Luckily I hadn't reformatted my old drive yet, and can see that I was running afterburner 2.1.0.

Does anyone know where I can get this older version of afterburner? If we can confirm that this is indeed the problem, it might help a bunch of other people trying to underclock their 6950s (from what I've seen; unsuccessfully.)

10  Other / CPU/GPU Bitcoin mining hardware / Mineral oil submersion? on: March 10, 2012, 08:30:25 PM
I have two 6950's running at around 50c on full load. They are water cooled, and it is fairly low maintenance.

My girlfriend would like to setup a mining/gaming rig, so I'm curious if I should suggest water cooling (like mine) or oil submersion.

Would I need to radiate the oil in order to keep the temps down? Does anyone have an oil submersion mining rig?

Other than the oil wicking up external components, and not submerging HDDs, are there any other tips/pitfalls?
11  Bitcoin / Development & Technical Discussion / Should the Bitcoin client have a donate button? on: November 29, 2011, 10:22:13 AM
Gavin has mentioned adding a donate button to the Bitcoin client. I think this is a great idea.

My understanding is that Bitcoin is a decentralized P2P network, and we want to keep with the decentralized spirit. Please bear in mind that we have infrastructure needs, and if met we could deliver a better user experience.

Similar to, I think that Bitcoin needs some funding to help build out that necessary infrastructure. In my opinion, adding a donate button would be a step in the right direction.

If the developers were to add a donate button, where would those donations go?

Gavin has also mentioned ( setting up a NFP. Does anyone have experience doing this? If so, can you post some resources?

I created this Google doc to brainstorm the promotion of a 'fund Bitcoin campaign':

Please feel free to comment on the Google doc.
12  Bitcoin / Development & Technical Discussion / Building Bitcoin 3.25 in Ubuntu on: September 02, 2011, 08:54:18 AM
I'm trying to build from the repo so I can test some commits in Linux. I got past getting all of the libraries installed (I hope) and I get to the bitcoin make, and it throws the following 2(4?) errors:

net.cpp:48:15: error: 'pnodeLocalHost' was declared 'extern' and later 'static'
net.h:476:15: error: previous declaration of 'pnodeLocalHost'
net.cpp:51:15: error: 'hListenSocket' was declared 'extern' and later 'static'
net.h:479:15: error: previous declaration of 'hListenSocket'
make: *** [obj/nogui/net.o] Error 1

I'm assuming that there's something I'm doing wrong in my build, any recommendations?
13  Bitcoin / Bitcoin Discussion / My YouTube search for bitcoins on: August 23, 2011, 05:48:56 AM
Are you a fan of Bitcoin?

Do you find it hard to explain to friends, family, and non-techies?

Me too, I think we need more/better explanatory videos.

This is the best one I have found:

Unfortunately, she erred on the fiat money part...

What can we do to get someone like her to explain Bitcoins in excellent detail (no errs), with an ease of understanding for the first time viewer?

Does anyone else agree that we need an easier way to explain Bitcoins to the people?
14  Other / CPU/GPU Bitcoin mining hardware / 6950s running hotter after thermal on: July 09, 2011, 04:24:01 AM
I have two Sapphire 1GB 6950s, I have been running them for about a month - and getting the following consistent stats:

Card #1
Core Voltage: 1120mV
Core Clock: 920mhz
Memory Clock: 520mhz
Fan: 100%
Temperature: 78-79C

Card #2
Core Voltage: 1120mV
Core Clock: 920mhz
Memory Clock: 520mhz
Fan: 100%
Temperature: 76-77C

and getting 725 megahash total.

So I thought it would be a good idea to open up the cards and replace the thermal paste. In my experience, this normally lowers temperatures. Much to my dismay, card #1 is running 84C and card #2 I have been shutting off (stop mining) after it hits 86C - which takes 10 seconds to get there.

All of my stats and the specs are the same (except the temps/Mhash), I have checked them in both GPU-Z and MSI afterburner (what I use to OC).

I was suggested in IRC to try using zip ties because the heatsink does not sit well in these cards - I was shown this photo:

I tried that, but it hasn't changed anything.

The thermal paste I used is Artic Silver, and I have many years experience applying it evenly and in a thin coating. I have reapplied the paste 2 times (cleaning with alcohol wipes) to card #2 with no avail.

Any help would be really appreciated - this makes no sense to me!

15  Bitcoin / Mining support / Sapphire 6950s / catalyst 11.6 - computer freezes when I watch video on: June 25, 2011, 10:09:52 PM
I have this problem where my computer freezes when I watch a video. It only happens when I am mining on both of my Sapphire 6950s. I have tried re-installing all of the drivers / catalyst - and I used driver sweeper.

I have tried resetting my cards to their default clock settings - doesn't fix it.

If I am mining on both cards, and click on a video (on youtube or whatever) - the computer instantly freezes, and I have to restart it.

Anyone else have this problem, or know how to fix it?
16  Bitcoin / Mining / Unclock memory on 4870HD on: June 09, 2011, 05:01:26 PM
I have tried downloading Afterburner 2.2.0, editing the conf file - and still I cannot decrease my memory clock to below 450 mhz on windows 7.

Does anyone else know how I could decrease the clock past 450mhz - aka remove the under limit? Angry

Any help would be appreciated, I have spent over 2 hours trying to figure it out!
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