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1981  Bitcoin / Electrum / Re: A bunch of addresses in red all of a sudden on: July 02, 2017, 08:28:05 PM
...So I guess the gap-limit means its show many addresses to check balance on after the last address with a balance, correct?

The electrum documentation explains the gap limit. After setup electrum has a default number of addresses it shows, that default number is the gap limit. You can make electrum show more new unused addresses using console commands, but any it shows will have a red background until the gap is filled.

http://docs.electrum.org/en/latest/faq.html#how-can-i-pre-generate-new-addresses

Quote
Electrum will generate new addresses as you use them, until it hits the gap limit

If you need to pre-generate more addresses, you can do so by typing wallet.create_new_address(False) in the console. This command will generate one new address. Note that the address will be shown with a red background in the address tab, to indicate that it is beyond the gap limit. The red color will remain until the gap is filled.

1982  Other / MultiBit / Re: can some one help me? on: July 02, 2017, 08:06:42 PM
I beginning to wonder if you have been hit with the MultiBit wallet corruption issues that a couple of other users have had... Undecided

Either that, or you've been hacked and don't actually have any bitcoins left... have you actually checked your addresses on a block explorer like blockchain.info to see if they still contain coins?

Also, check your PMs...

   Thank You for Your Help!

  It was a power shut down when the wallet was open.

  Yes I checked one address and it showed .1 bitcoin,  so I still have my coins. I just cant load them in the bitcoin wallet.

Did your multibit wallet have a password? If it's corrupted but didn't have a password then retrieving the coins will probably be easier than if it has a password.

  No password.  I live alone and no one around here knows what BitCoin is.  I didn't want to get locked out of it also.


I can't promise anything, but if your multibit wallet file is only a little corrupted you might be able to use the quoted instructions to get your coins back. Basically they explain how to open your multibit wallet file in something called a hex editor and use it to search for 08011220. If you find that number then the next 64 characters (32 bytes) could be a private key for your wallet.

You can change that private key to a format the electrum wallet accepts, and import it into electrum to get your coins back.





Since version 0.4.0 multibit classic wallet files are in a format called Google protocol buffer format (protobuf). Open a file with a .wallet extension in a hex editor and look for the following sequence of bytes 08 01 12 20. The next 32 bytes after that should be your private key in hex format. After you get your private key in hex format you can convert it to a normal format using an offline copy of the bitaddress website.

I tested this on an unencrypted wallet (one with no password) in multibit version 0.5.1.6 and it worked for me.

This is the hex editor I used, although any other is probably sufficient.

http://www.wxhexeditor.org/home.php

This is the bitaddress website. I advise you not to directly paste private keys into it.

https://www.bitaddress.org/

Instead look for this link at the bottom of the page and use it to download a zipped copy you can run offline.

https://github.com/pointbiz/bitaddress.org/archive/v3.3.0.zip



This is my multibit wallet file opened in the hex editor with the bytes 08 01 12 20 that precede a private key highlighted.






This is the 32 bytes of a private key (in hex format) highlighted.







This is the 32 bytes of a private key (in hex format) copied directly from the hex editor into notepad.






This is the 32 bytes of a private key after removing the spaces in notepad.






This is the private key copied from notepad and pasted into an offline copy of the bitaddress wedsite. Click the view details button to get the private key converted to normal formats.





This is my multibit wallet's address 1F84fkbMng6dJpGZmtycRbUe72B7XSYbeT shown on the right hand side of bitaddress. Every raw private key can convert into two different bitcoin addresses, which is why there's two.






This is my multibit wallet's address 1F84fkbMng6dJpGZmtycRbUe72B7XSYbeT shown in multibit.




You can import your private key into the wallet of your choice to get control of yours coins back. Electrum's a good choice.
1983  Bitcoin / Bitcoin Technical Support / Re: How to recover btc after windows reinstall on: July 02, 2017, 04:32:52 PM
Searched using the sequence  0201010420 and didn't get any matches,  but i will try the other sequence when i get chance. I briefly searched the 0420 sequence but as i thought,  after 30 mins there were already some 40000 results.

Can i ask a really basic question?, if there were 32 bitcoins in the account, does that mean 32 private keys?. Thanks again.

No, it depends on how many Bitcoins were sent to each address. All 32 Bitcoins could have been sent to the same address, in which case claiming those coins would only require one private key.

If 16 Bitcoins were sent to one address and the other 16 were sent to a different address claiming those coins would only require two private keys.

Maybe using pywallet would give better results. It can scan for password protected wallets and earlier on you said you have the password.

However, pywallet's not easy to install as it's very old software.
1984  Economy / Speculation / Re: Any long term HODLers increasing the BTC stash by trading? on: July 02, 2017, 12:12:49 PM
Timing the market can be a real bitch. It's easy to look at the past price charts and think "I should've sold on that spike and buy back on that dip", but doing it real-time is a whole different story. You'll likely get burnt on bull/bear traps eventually.

But if you're tempted to try, why not set aside some round amount in a cold storage and play around with the rest, either by speculating only on BTC/USD rate, or also on altcoins.

I read that only 10% of Bitcoin traders make a profit, the other 90% make a loss.

Source?

there's a lot of sources you can get when you reading a lot too ,
this is what i frequently visit http://www.tradeciety.com/24-statistics-why-most-traders-lose-money/ , and also at quora https://www.quora.com/Do-90-of-day-traders-lose-money ,
in trading forum this kind question always popping up and it's not a new thing.

+1

There have been countless studies that calculate the percentage of profitable traders, and actual figure varies depending on the study. Most of them agree that the majority of traders lose and a small percentage are profitable. As an example a businessinsider page says 6% are profitable, but an investopedia page says only 1% are predictably profitable.

http://www.businessinsider.com/what-percentage-of-traders-make-it-2011-6?IR=T

Quote
Only six percent of the people who attempt to become professional traders actually succeed.

http://www.investopedia.com/articles/active-trading/053115/average-rate-return-day-traders.asp

Quote
In a typical six-month period more than 80 percent of day traders lost money, and only 1 percent of them could be called predictably profitable.
1985  Bitcoin / Bitcoin Technical Support / Re: Secure desktop wallet in student dorm on: July 02, 2017, 11:51:34 AM

But I could use some software to protect my USB ports. Something that prevents malicious autorun if they happened to plug-in something funny into the USB ports or SD-card reader.
What could I use?

You could use usbvaccine by pandasecurity. It has an option to prevent autoruns working on any devices you plug into your computer. The other option it has writes an undeletable blank autorun file to a usb drive so it can't get infected by a malicious autorun. Unfortunately if you then plug that usb drive into a linux machine it makes the file deletable in windows again.

http://www.pandasecurity.com/uk/homeusers/downloads/usbvaccine/
1986  Economy / Speculation / Re: Any long term HODLers increasing the BTC stash by trading? on: July 02, 2017, 09:55:15 AM
I read that only 10% of Bitcoin traders make a profit, the other 90% make a loss. You could try test trading using pretend coins on paper, but it's different when you are gambling with real money.
1987  Bitcoin / Wallet software / Re: mSIGNA on: July 02, 2017, 09:05:49 AM

What kind of wallet is this? An online or offline wallet? Embarrassed
Cause I have never heard of it before. Undecided


You can find details about on bitcoin.org under the desktop wallets section of this page.

https://bitcoin.org/en/choose-your-wallet

Bitcoin.org has a link to this website for the mSIGNA wallet.

https://ciphrex.com/

That website gives this email address for support queries. If the OP can't find a resolution for his problem here he could try emailing that address.

info@ciphrex.com

If the OP could tell us what version he's using people might be able to offer more help. The documentation says there were some big changes between various versions.

https://ciphrex.com/docs/mSIGNA-Getting_Started.pdf
1988  Economy / Speculation / Re: Japan ends 8% consumption tax on bitcoin Today on: July 02, 2017, 06:31:53 AM
Good BOOST for monday.

The boost won't be that big. Japan still isn't the leader in trading. Also, somebody should investigate how their Bitcoin businesses are really doing.
I suspect there could be big interest in the currency but only out of curiosity and very little real use.
Last time I heard, Japanese were all over bitcoins. They were buying like hell and also that the bitcoin price in Japanese exchanges was pretty higher than the other exchanges.

I heard rumours some Chinese whale traders switched to using Japanese exchanges after the Chinese government froze withdrawals on the Chinese exchanges. If that's true the end of the 8% consumption tax could be very bullish.

As I understand the Chinese exchanges have already resumed withdrawals on May 31, so those rumors might only be that, just rumors.


From what I read they are only allowing small withdrawals that are no use to whale traders. I think it might be 10 Bitcoins a day with a maximum of whatever a million dollars a year is in yuan.
1989  Economy / Speculation / Re: Wall Observer: BTC/USD Price Tracking and Discussion 2.0 (Unmoderated) on: July 02, 2017, 06:24:48 AM
Yeah, triangle is gonna bust out impulsively next 3-4 days...hoping we get 4th of July fireworks

Why do you think it will be in 3-4 days? Bitcoin's price sometimes goes sideways for months. Another week or two before a triangle bust out isn't inconceivable.
1990  Bitcoin / Wallet software / Re: JAXX Bitcoin/Ethereum wallet - DO NOT USE on: July 02, 2017, 12:37:55 AM
Jaxx either mobile or desktop should be avoided,thought its a cool app at 1st glance not until i was unable to send out funds for days,had to send out amount in random orders every min for like 3-4 days till i took all out.
Please avoid!

There was a news article about jaxx wallet users having their paraphrase used to access their wallet can be easily comprised.
I lost the article but when I find it I will post it for all to look at and be aware that it could happen to them as well.
If not taken care of with setting 2FA security on your wallet and this sort of thing or you can have your wallet comprised and the coins in there stolen as well.

Is this the article you are referring to? I have no intentions of using the Jaxx wallet unless that problem gets fixed. Too many people have lot coins already.

Reports are surfacing of a ‘vulnerability’ in Jaxx wallet leading to at least $400,000 customer funds being stolen.

A report on the insufficient wallet backup phrase storage methods this weekend has now updated to include reports that hackers are already exploiting the problem to steal cryptocurrency from users.



After you read the whole article[1], you will come up with the decision of not using this wallet again (most likely). Basically, they have no plans to alter or change the security setup of their wallet. I'd recommend everyone to either stop using this wallet or simply stop storing large amounts.

[1] https://cointelegraph.com/news/jaxx-wallet-vulnerability-users-report-400k-funds-thefts
1991  Economy / Speculation / Re: Wall Observer: BTC/USD Price Tracking and Discussion 2.0 (Unmoderated) on: July 01, 2017, 11:34:47 PM
yawn. this weekend is pretty boring on the market. nothing is pumping on finex, everything is slowly drifting lower. its like watching paint dry Embarrassed

it is actually creating a technical indicator at the moment



to me looks like a bullish pennant



That's what it feels like to me. Although traders always say buy the dip it's not easy to do when the price is going down. It's easiest to buy at the worst time possible when the market is at peak euphoria.

The 10% of successful traders are probably buying the bullish pennant, and the other 90% are probably selling the dip.

If I had any fiat left I'd be buying like there was no tomorrow.
This seems to be the best opportunity Bitcoin is giving us in a long time. Since 2013 Macroeconomics  changed a lot and the world is about a financial collapse. I'm not a SHTF guy but here where I live I see no other investment. Bitcoin will save my retirement.

Yes a financial collapse is what instigated the birth of Bitcoin. If there's another one I expect Bitcoin to go parabolic because the next time the banks won't get bailed out by governments, they will bail themselves in using their own customer's deposits.

It already happened in the 2012–13 Cypriot financial crisis, and it's going to happen all over the world if there's another worldwide depression like in 2008/2009.

This thread was started by someone who had a fortune taken from him by his Cypriot bank in 2013.

https://bitcointalk.org/index.php?topic=160292.0
1992  Bitcoin / Bitcoin Wallet for Android / Re: workflow: app to de.schilbach wallet query for a valid wallet payment address? on: July 01, 2017, 11:03:07 PM
Doesn't Android Bitcoin wallet support exporting xPub? If yes, isn't that enough to generate new addresses? I haven't used android wallet for a long time now. So I don't know what all new features it have.


I don't think so, in fact it's extremely difficult to export the seed words, or private keys from the wallet.

Andreas Schildbach doesn't agree that users should be able to export their private keys. All his wallet's GUI allows is backing up an encrypted wallet file. Getting the seed is possible, but not through the GUI.

Private keys are not meant to be moved around, because they are very sensitive to theft. In fact the only reason to move them out of the app is a backup of the keys (which is unfortunately necessary).

If you want to move value to another wallet, use a standard Bitcoin transaction. That's much safer!

I don't mean seed or xPrv, but xPub. It can be exported, right? If even xPub can't be exported, I will be disappointed in this wallet. No offence. I have used it before and I really liked it. Don't want to see it going downhill.

No, I can't find any place in the GUI where you can export the xPub. Maybe there's something in the wallet's code, or bitcoinj that allows it, but looking through it there's nothing immediately obvious.

The closest thing I could find on the github was a tiny library called integration-android for integrating Bitcoin payments with another Android app. Unfortunately it can't export the xPub. I assume that was the library the OP referred to.

https://github.com/bitcoin-wallet/bitcoin-wallet

Quote
integration-android: A tiny library for integrating Bitcoin payments into your own Android app (e.g. donations, in-app purchases).

https://github.com/bitcoin-wallet/bitcoin-wallet/blob/master/integration-android/src/de/schildbach/wallet/integration/android/BitcoinIntegration.java
1993  Economy / Speculation / Re: Japan ends 8% consumption tax on bitcoin Today on: July 01, 2017, 10:25:57 PM
Good BOOST for monday.

The boost won't be that big. Japan still isn't the leader in trading. Also, somebody should investigate how their Bitcoin businesses are really doing.
I suspect there could be big interest in the currency but only out of curiosity and very little real use.
Last time I heard, Japanese were all over bitcoins. They were buying like hell and also that the bitcoin price in Japanese exchanges was pretty higher than the other exchanges.

I heard rumours some Chinese whale traders switched to using Japanese exchanges after the Chinese government froze withdrawals on the Chinese exchanges. If that's true the end of the 8% consumption tax could be very bullish.
1994  Bitcoin / Bitcoin Wallet for Android / Re: workflow: app to de.schilbach wallet query for a valid wallet payment address? on: July 01, 2017, 10:21:37 PM
Doesn't Android Bitcoin wallet support exporting xPub? If yes, isn't that enough to generate new addresses? I haven't used android wallet for a long time now. So I don't know what all new features it have.


I don't think so, in fact it's extremely difficult to export the seed words, or private keys from the wallet.

Andreas Schildbach doesn't agree that users should be able to export their private keys. All his wallet's GUI allows is backing up an encrypted wallet file. Getting the seed is possible, but not through the GUI.

Private keys are not meant to be moved around, because they are very sensitive to theft. In fact the only reason to move them out of the app is a backup of the keys (which is unfortunately necessary).

If you want to move value to another wallet, use a standard Bitcoin transaction. That's much safer!
1995  Economy / Speculation / Re: Wall Observer: BTC/USD Price Tracking and Discussion 2.0 (Unmoderated) on: July 01, 2017, 10:08:27 PM
yawn. this weekend is pretty boring on the market. nothing is pumping on finex, everything is slowly drifting lower. its like watching paint dry Embarrassed

it is actually creating a technical indicator at the moment



to me looks like a bullish pennant



That's what it feels like to me. Although traders always say buy the dip it's not easy to do when the price is going down. It's easiest to buy at the worst time possible when the market is at peak euphoria.

The 10% of successful traders are probably buying the bullish pennant, and the other 90% are probably selling the dip.
1996  Other / MultiBit / Re: can some one help me? on: July 01, 2017, 09:51:15 PM
I beginning to wonder if you have been hit with the MultiBit wallet corruption issues that a couple of other users have had... Undecided

Either that, or you've been hacked and don't actually have any bitcoins left... have you actually checked your addresses on a block explorer like blockchain.info to see if they still contain coins?

Also, check your PMs...

   Thank You for Your Help!

  It was a power shut down when the wallet was open.

  Yes I checked one address and it showed .1 bitcoin,  so I still have my coins. I just cant load them in the bitcoin wallet.

Did your multibit wallet have a password? If it's corrupted but didn't have a password then retrieving the coins will probably be easier than if it has a password.
1997  Bitcoin / Press / Re: [2017-06-29] Arizona Bitcoin Trader Charged With Money Laundering on: July 01, 2017, 09:19:50 PM
Arizona Bitcoin Trader Charged With Money Laundering

Thomas Costanzo, who runs a bitcoin services website that offers sales for bitcoin mining equipment and ATMs, was arrested in late April and initially charged with the unlawful possession of a firearm, which resulted from a previous conviction.

A new superseding indictment, unsealed this week, reveals that the government is pressing charges against Costanzo related to his digital currency activities. Costanzo was accused of exchanged $166,000 with undercover agents between May 2015 and April 2017, funds that were "represented by a law enforcement officer to be proceeds of specified unlawful activity", according to the indictment.

http://www.coindesk.com/arizona-bitcoin-trader-charged-money-laundering/

Well that escalated pretty quick.

I guess the US is really against cryptocurrency and the future for that matter. There has been a lot of negative response against the cryptocurrency industry in the US and that could be its downfall as there could be a possibility that the world will shift to cryptocurrency and those countries that embrace it will be the next leaders.

I don't think it shows the US is against cryptocurrency. He exchanged $166,000 with undercover agents who told him their funds were from unlawful activity. If he'd refused to exchange anything after they told him their funds were from unlawful activity he wouldn't have been arrested for his digital currency activities.
1998  Bitcoin / Press / Re: [2017-06-26]New AML Law In Italy With New Rules On Bitcoin Exchangers on: July 01, 2017, 09:10:55 PM

What we all dread is the total ban in the use of cryptocurrency because that mindset can be a loss-loss situation for the Bitcoin holders and the government. Even if the government will really not encourage anyone to go with cryptocurrency, sometimes the most important thing is that nobody is barred from joining the Bitcoin ship.

I don't think they will ever ban it now it's grown so big. If they were going to ban it the US would have taken the lead and done it when the Silk Road was closed. It debated it, then decided not to because Bitcoin had too many positive aspects.

The fact Italy is trying to regulate its exchanges shows it has no intention of banning Bitcoin.
1999  Economy / Speculation / Re: Bitcoin price after 1 August - Down 50% on: July 01, 2017, 09:02:49 PM
You got it backwards, price will rise 50% after august 1 (look at litecoin). There won't be a hard fork in August but there will be Segwit activation. We will get Segwit activated either through USAF or Segwit2x. And yeah you can ignore the 2x part of Segwit2x because it will never happen. I would not be short this market, you could get bear trapped.

Quite a few people got bear trapped when it dipped back below $1000, and I think the same holds true now.

The price pumped up to $3000 despite all the technical arguments, and a huge backlog of unconfirmed transactions.  Nobody cares about any of that during a bull run, the price pumps despite it.
2000  Bitcoin / Bitcoin Discussion / Re: Craig Wright: "You dont need to hold the blockchain. Its ok if only banks do." on: July 01, 2017, 08:41:33 PM

...And the idea of a Bitcoin bank is stupid. FU Craig.

Agreed, the only Bitcoin bank I heard of was hacked in 2014 and all its customers lost their money.

http://www.reuters.com/article/us-bitcoin-flexcoin-idUKBREA2329B20140305

It's fortuitous Craig Wright wasn't allowed to start one. He sounds dodgy enough to lie about a hack and keep all the Bitcoins for himself.

If he'd been allowed to open it he would have probably proclaimed "you don't need to hold your Bitcoins. It's OK if only my bank does it for you".
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