I bought my first pair of Hurricane Boots for a few excursions in the Andes/Rockies and they did great for me, but they started leaking after about 8 months. That's not supposed to happen (at any point) so my shop replaced them for free - however I don't need these now and would like to see them go to a good home via a Bitcoin transaction. These are new, shipping in the plastic bags and in a Boreal box. They are great comfortable boots that are 100% waterproof. I found that they breathe reasonably well also, and are a great all-around hiking boot. Here is the manufacturer's site: http://www.e-boreal.com/Hol/Hurricane.htmReview: http://www.livefortheoutdoors.com/Gear-Reviews/Search-Results/Footwear/First-test-Boreal-Hurricane-2012/These ship from the USA, asking .3 BTC including shipping. Escrow ok, buyer sets it up. Thanks!    |
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Sorry for the necro-bump, but is there a way to bulk import a few thousand keys into an encrypted wallet.dat (Bitcoin Core wallet, version 0.9.3)?
What I'm trying to do:
1. brand new wallet.dat (I call it empty.dat)
2. encrypt it with crazy long password
3. import keys using bitcoin-cli / bitcoind
However, I need to import a few thousand keys.
I solved this problem just the other day with Multibit. You can work with everything in .csv format and edit the file in Excel. |
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I have been testing the CIYAM Wallet today and so far all is going pretty well (several txs involving 1 or more inputs and 1 or more outputs have all worked fine) so for those that struggle to understand the cryptic code in Bitcoin itself (I know that I do) then you might find this a little easier to follow: https://github.com/ciyam/ciyam/blob/master/src/crypto_keys.cpp#L696No guarantees that it is perfect yet (still got a lot of testing to do) but it will certainly help those keen to create their own wallets to see how creating and signing raw transactions works at the *low-level*. Interesting, I've bookmarked this to review when I'm not so tired. Thanks! |
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Live demo: http://fullstack.ch/btcbox/Feel free to drop some Satoshis in there to see the different images (all SFW), and contribute to the code on Github  Source: https://github.com/jswebdevel/btcboxBackground: This is a stand alone system for accepting Bitcoin as a merchant. It requires a small amount of PHP/HTML/MySQL knowledge and a server. I built this in response to increasing demands for private information by third party processors, which creates barriers to entry for many merchants who may not even possess such information. It could also help merchants to rapid prototype business ideas at very low cost. Thanks to several members of this forum for code samples, one function I copied verbatim from here. I plan to deploy this system in a more commercial environment in the near future. Hopefully some people find it useful/interesting for their own purposes - whether it is for education or commerce. |
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Serious question:
How about a fair amount of bitcoins, on Bitcoin Core, on a computer that:
1. is behind 2 routers, uPNP turned off (internet > router1 > router2 > computer)
2. is not port forwarded, therefore does not accept incoming connections (so connections are always at 8 out)
3. good password
4. is not used for anything else, only Bitcoin Core (was fresh installed OS, regardless of OS)
For added info, the routers are a service provided branded ZyXel router and a Cisco E1000 router, in that order. (Does it really matter ...)
It's essentially an "online" wallet that almost no hacker can get to (because it's behind two NATs).
Physical security is a different topic, but I've got that covered on my end.
Then I have another computer that is air-gapped for cold storage.
- Fire/flood/theft risk (unless mitigated with some kind of backup) - Keylogger risk (true for pretty much everything except trezor style device) - Coins perhaps inaccessible if you travel - Potential data corruption (again unless mitigated through solid backups, which is more opportunity for fuck ups) |
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If you have a fair amount of bitcoins is it stupid to keep them all on Bitcoin Core on a computer that's just about always online?
Even with a good password?
Do you think cold storage is essential?
I think Electrum is your best choice. Make sure your client is on a fairly secure (*nix) machine and don't worry about it. The real problem with "cold" storage is that it removes many of the benefits BTC confers - like being able to access your stash anytime you like, anywhere you like. It's nice to have some spending money on blockchain.info or in Coinbase too for mobile purchases. |
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Signed, right now I have to transfer PayPal -> Bank Account (4 business days) -> Coinbase/Circle (4 business days) -> Gyft -> Amazon purchase. And no, I can't buy Gyft directly with PayPal due to some stupid fraud detection thing PayPal uses. Yes I brought it up with their customer service department. |
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if it was said that all transactions on such sites must be done at $500 per BTC.
Who is saying that? God? Markets determine prices of goods and services. Merchants charge as much as they can for their products, consumers pay what they determine is a fair price. |
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Yes, GoDaddy sucks. Fine. But switching to a different server or host doesn't address an issue in this thread. Odd that it keeps being brought up. Suppose the OP gets a different server/host. Q: What does he do with it so that he starts making sales in BTC? A: Nothing. He spends money on a better server/host and gets nothing in return.
And advertise? Sure. But advertising is very expensive. The OP would need to decide if spending a few thousand dollars on advertising will result in more than a few thousand dollars worth of BTC in sales. It seems unlikely to have this effect if his current BTC sales are zero.
BTC is a niche. Very few people have it and very few of those use it. If you don't believe me, start a BTC accepting business. Tell me how the crickets sound where you live.
100% agree. It's easy to tell who here actually owns businesses on these forums, eh? ROI is how I have to manage things. Right now I have to consider whether spending another 12+ hours getting one of these open source BTC solutions setup is worth the potential 2 sales in the next 6 months, or whether my time is better spent on less speculative projects. This is the second time Coinbase has changed their information requirements for merchants, and your code just breaks on your website if you don't have their form fully filled out (I was caught by surprise the last time they did this). I don't think they're entitled to any of this information, especially considering 0 sales have occurred and I've never sold BTC for fiat through their system. My company's industry is niche as it is, so maybe BTC will mature as a payment option in a year or two. |
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ignoring the other posts of cry babies complaining of volatility and lack of spending. ill concentrate on the OP's question
the solution is to NEVER have a bitcoinD on the web server. multiple security issues for this.
all you need is a database of public keys.
simply generate keys from an offline computer and put just the public keys into a database onine for the website to then display to customers. and you simply keep updating the database as the addresses get used.
you then use the offline computer to manage the bitcoins far far far away from the website. this is called "cold store".
then all you need is a API for price evaluation.
... simples
lastly
ADVERTISE, ADVERTISE, ADVERTISE.
no one will spend bitcoins if you dont advertise your business accepts them. EG everyone knows overstock and dell accepts bitcoin, thus they are doing $millions in bitcoin transactions
I think the big problem regarding sales is my company's small market is simply not using BTC yet. I recently learned of these tools that I'll research and hopefully implement instead of Coinbase (which I'll be dropping completely) and seem to be a bit better developed than a homebrew solution: https://github.com/coinkite/coinkite-real-time-invoicehttps://github.com/gary-rowe/MultiBitMerchantAre there any glaring security issues with these technologies? |
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http://imgur.com/GSwxxQzI invested a lot of time setting up my company's website to work with Coinbase's API. Three months have passed; not a single order has been paid for with BTC. And now Coinbase is demanding way too much information - this is the last straw. I need a Bitcoind client that can be installed on a Godaddy server. Until then, my company can't take BTC.
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Invest in small or medium sized companies after you've done your due diligence, and receive dividend payments in BTC. There are no shortcuts. |
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We will see more of such spam in the future.
More and more people will use 1 satoshi transaction to advertise/spam others.
I think this is excellent - the viewer/user is literally paid to potentially view the advertisement. |
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