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3921  Economy / Collectibles / Value of a casascius coin used for cold storage? on: August 13, 2017, 06:35:03 AM
I have a friend with a Casascius coin (series 2, 2012) that he uses for cold storage, and it now holds several bitcoins. What does this do to it's value (beyond the value of the bitcoins that it holds)? He is considering breaking it open because of the additional value of the BCH, but maybe someone would pay more than it's redemption value.
3922  Other / Beginners & Help / Re: www.myetherwallet question on: August 12, 2017, 09:14:04 AM
This is a Bitcoin forum. You will probably get better responses if you post on an Ethereum forum, such as https://forum.ethereum.org/.
3923  Alternate cryptocurrencies / Speculation (Altcoins) / Re: Why ETH price drops if BTC drops but doesn't increase if BTC goes up? on: August 12, 2017, 09:03:59 AM
There are lots of possible reasons:

1. Coincidence
2. Confirmation bias
3. Survivor bias.
4. Misinterpretation
5. Over-generalization.
3924  Bitcoin / Press / Re: [2017-08-10] Bitcoin Gets Technology Theory Backing, Can Reach $100,000 by 2021 on: August 11, 2017, 08:25:13 AM
It's not very convincing. Thereis no reason why the price of a technology would follow Moore's Law.
3925  Bitcoin / Bitcoin Discussion / Re: When will the bitcoin run out? on: August 11, 2017, 08:16:06 AM
The Bitcoins max amount of Bitcoins is around 21 million. So in 2140 it should run out.   

  Huh Huh Huh Huh In order to run out of bitcoins the number must go to 0, not 21 million.
3926  Bitcoin / Press / Re: [2017-08-09] Upcoming Bitcoin Core Client Will Disconnect SegWit2x Nodes Automat on: August 10, 2017, 07:09:56 PM
Wouldn't getting around the exile be as simple as switching to a different bit?
3927  Bitcoin / Press / Re: [2017-08-07] Mastercard Files Patent for Refund Services for Cryptocurrency Usrs on: August 09, 2017, 08:51:18 AM
Basically, this ground-breaking earth-shattering invention consists of including a refund address in a transaction.
3928  Alternate cryptocurrencies / Mining (Altcoins) / Re: confused on: August 08, 2017, 09:09:45 PM
 I want to buy graphics cards
  I was careful about the type I bought
  These are four kinds
  Please what is the best:
 1/- ASUS GEFORCE GTX 1070 ROG STRIX-GTX107
 2/-ASUS GEFORCE GTX 1070 DUAL-GTX1070-O8G
 3/-ASUS GEFORCE GTX 1070 TURBO GTX1070 8G
 4/-MSI GEFORCE GTX 1070 ARMOR 8G OC
 Note :There is a difference in price
 But I do not care about the price I want the best

This is a bitcoin forum, so let's be clear.

You can no longer mine bitcoins with a graphics card.

However, you can mine other coins and use them to buy bitcoins.
3929  Bitcoin / Bitcoin Discussion / Re: [BREAKING NEWS]: Putin getting ready to kick Bitmain's ass on: August 08, 2017, 08:53:54 PM
Wow, just wow.  This could be huge.  

Or it could be a huge scam. It's an ICO. They are looking for investors. What more do you need?
3930  Bitcoin / Bitcoin Discussion / Re: [BREAKING NEWS]: Putin getting ready to kick Bitmain's ass on: August 08, 2017, 08:25:38 PM
Quote
The company initially plans to locate mining computers ... in individual Russian households ...

That part of the plan will fail. The failure of 21.co proved that it won't work.
3931  Bitcoin / Bitcoin Technical Support / Re: BTC Transaction fees on: August 07, 2017, 04:06:51 PM
Just installed my first wallet and wanted to test, so I bought £5 worth of BTC from Coinbase, they charged £5.99, I then sent the max amount to my Electrum wallet, amount sent from Coinbase 0.00202070, my wallet received 0.00171727, so I paid £5.99 and have £4.29 in BTC? sound right?

Keep in mind that you have 0.00171727 BTC and its value in £ will vary.
3932  Bitcoin / Bitcoin Discussion / Re: Recurring payments with Bitcoin on: August 07, 2017, 03:55:30 PM
The issue is push vs. pull. Bitcoin is a "push" system where only the holder can spend their bitcoins. The current banking system is a "pull" system where anybody can pull money out of your bank account just by asking for it.

The design of Bitcoin prevents it from being a pull system, but it is easy to build a pull system on top of Bitcoin, and it already exists in limited form at Coinbase.
3933  Bitcoin / Press / Re: [2017-08-06] Blockchain Data Reveals Someone Is Trying to Slow Down Bitcoin Cash on: August 07, 2017, 03:29:11 PM
So ...

Miners that are mining are considered "malicious" and miners that are not are considered "honest". I'm thrilled to be a "honest" miner as I have yet to mine anything.
3934  Bitcoin / Bitcoin Discussion / Re: Interesting Bitcoin Addresses With Stories We'll Never Know (Millionaires) on: August 07, 2017, 05:59:42 AM
I've dug down to the top 2,000 BTC addresses and have found just a few that were obvious early investors that are still active.

An address is not the same as a person.
3935  Other / Beginners & Help / Re: How to buy bitcoin anonymously? on: August 06, 2017, 02:38:16 PM
Also, If I buy from any random exchange that doesn't support anonymous payment i.e. require ID etc what are the chances that they will know what I am doing with that BTC? Will there be a track record?
For eg I buy x amount of btc via coinmama to "54gfgf5g4..." this address and I use that address to start buying other altcoins on other platform, will there be a link/track record that will eventually lead to my coinmama account? Am I being paranoid lol :p

Anonymity is tricky because all Bitcoin transactions are permanently stored in a public ledger. Anonymity relies solely on the difficulty of associating addresses with people.
3936  Other / Beginners & Help / Re: Ignorant Noob about to make a jackass of himself on: August 06, 2017, 08:08:09 AM
Well I know exactly where you are coming from because I recently had an episode where I was looking up difficulty for someone else on bitcoinwisdom and I thought that it was strange that they have old hardware on there and they haven't updated the site but it still works and although I did mining a long time ago with a gpu I have never bought an asic though that wasn't a problem because I could still mine altcoins on multibit but I ended up with a lot of worthless altcoins and you couldn't withdraw them unless you had some minimum amount be that meant mining that altcoin for a long time even though it wasn't worth anything so I basically stopped doing that and it was ok because I wasn't earning anything anyway and it was like I had a second job but I wasn't getting paid and my machine was on all the time and it was heating up my apartment and that is bad in the summer time because it is already hot and I don't have air conditioning but I do have ceiling fans in the kitchen next to where I set up my computer and now that I live in a new place I have air conditioning buy the computer still heats up the room even though I have a ceiling fan and I'm not even mining I'm just playing wow but I'm on the third floor and it gets really hot in the summer time up there especially because sun shines through the windows in the afternoon although I got this big piece fo styrofoam that I put in between the shades and the window to block the heat coming in and that works pretty well though my girlfriend doesn't really like it and it is kind of a hack that would be better if I did something like put a reflective tint on the window
3937  Bitcoin / Bitcoin Discussion / Re: New York City Employee Disciplined For Mining Bitcoin at Work on: August 06, 2017, 06:22:00 AM
By my calculations, he earned around $0.45 worth of bitcoins and it cost the city $18 in electricity.
How do you know how much hashpower he had?  
You're probably right anyway, whatever he had earned it was a complete waste, even with a decent graphics card onboard. I'd fire his sorry ass for using company resources for a private matter. It's just like a truck driver that delivers stuff for a company during the day and at night moves stuff for friends and family, but the company has to fill the tank anyway.

According to the article he was mining with a PC and I was assuming a generous 500 MH/s.
3938  Bitcoin / Bitcoin Discussion / Re: New York City Employee Disciplined For Mining Bitcoin at Work on: August 05, 2017, 08:38:48 AM
By my calculations, he earned around $0.45 worth of bitcoins and it cost the city $18 in electricity.
3939  Bitcoin / Bitcoin Discussion / Re: wtf is this... on: August 05, 2017, 08:10:29 AM
See ... that's what I thought, in order to steel from a wallet you'd need both the private and the matching public key ... I mean, the chances alone of guessing a private key are slim, but the chances of also guessing the matching public key is about as close to Zero as you can get.  

But that website's FAQs seems to be saying that if you know the private key, the public address can be generated from the private key.  Is that BS?

A bitcoin address (frequently and mistakenly referred to as a "public key") is derived from a private key. Actually, it works like this: The bitcoin address is derived from the public key, which is derived from the private key.
3940  Bitcoin / Press / Re: [2017-08-02] New York City Government Punishes Employee For Mining Bitcoin at Wo on: August 03, 2017, 10:52:54 PM
I think Vladimir mined much more bitcoins in USD terms than $611 penalty. This is a rather weak punishment if they did not confiscate all gained BTC in favor of Department of Education.

It is doubtful that he mined $611 in BTC.

A standard PC at that time had a hash rate less than 500 MH/s and the difficulty was about 5006860589, which means it could earn about 0.00005 BTC/day. He mined for 12 hours per day for 30 days. A bitcoin was worth less than $600 then.

So, he earned 0.00005 x 30 / 2 x $600 = $0.45

BTW, this also demonstrates how mining was not always profitable, even in the "early" days when the difficulty was much lower.

A PC running at full capacity might draw 500W. At $0.10 / kWh, that would be $0.05 / hour in electricity cost. 30 days for 12 hours per day would cost $18.

He spend $18 of the city's money to earn $0.45 worth of BTC.
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