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1  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: January 17, 2016, 05:46:20 PM
XPub key support has been added Smiley
2  Bitcoin / Development & Technical Discussion / Re: C#, NBitcoin and XPubkey on: November 17, 2015, 02:54:14 PM
That was it Smiley  Much appreciated my friend
3  Bitcoin / Development & Technical Discussion / C#, NBitcoin and XPubkey on: November 09, 2015, 07:30:10 PM
I'm attempting to write an algorithm that generates public bitcoin addresses from a known xpubkey. The key I'm using for testing can be found at blockchain.info at

https://blockchain.info/xpub/xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2jkwSB1icqYh2cfDfVxdx4df189oLKnC5fSwqPfgyP3hooxujYzAu3fDVmz

I'm trying something like this to generate the address on the path 0,0,0, as below:

Code:
        var pubkey = new ExtPubKey(Encoding.ASCII.GetBytes("6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2jkwSB1icqYh2cfDfVxdx4df189oLKnC5fSwqPfgyP3hooxujYzAu3fDVmz"));
        Console.Writeline(pubkey.Derive(0).Derive(0).Derive(0).PubKey.GetAddress(Network.Main));

I'm not fully understanding something because I get a 'Invalid point encoding 103' when trying to instantiate the ExtPubKey.  Does anyone have working sample code?
4  Economy / Economics / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 21, 2015, 02:37:07 PM
is it possible to give tax to europeans in portugal theres no rule yet here

If I understand your question correctly, I believe you are asking if bitcoin taxes will apply to other countries.  The more accurate perspective is that each country will uniquely define how it will tax the bitcoin transactions of its citizens.  If Portugal isn't taxing bitcoins, then if you're a Portuguese citizen, you will not be forced to pay bitcoin taxes because of another country's taxation laws.  For example, the US tax jurisdiction applies only to Americans.
5  Economy / Economics / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 21, 2015, 02:32:49 PM

Congratulations. To many.  Smiley This is a very useful tool for the USA citizens but is a more useful tool for the bitcoin itself. I haven't try it (I cannot because I am not an USA citizen) but if realize what promise is a great tool. This ...
One more for the creating this thread. I don't think that to many bitcoiners here care about the clean or not of the bitcoin. So maybe you will have very few feedback. I hope to be in wrong. But if it will be so, don't care. The future it's yours.

Thank you for the kind and rewarding feedback, it will inspire further development for sure Smiley
6  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 19, 2015, 08:20:48 PM

Now i understood your tool better and i guess you deserves some donations, why not consider including your btc in your signature?

Thank you for the compliment Smiley  I'm hoping people can find my donations page on the website where it's context relevant.  I'm just borrowing my bitcointalk account to get helpful feedback before I fully launch the site, but I don't want to inherently tie this account to BFT.
7  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 19, 2015, 02:33:14 PM
The idea behind this project is good but it will contradict the purpose which bitcoin was made, no central authority and the likes purposes behind bitcoin creations will be defeated.
Bitcoin should be tax free.

The function of BitcoinFastTax is to enable the average person or company to simply and easily calculate their bitcoin taxes, which can't help but spur adoption because many legal uses for bitcoins are inhibited by the complex tax laws surrounding them.  You are not in any way being further coerced into paying taxes by the mere presence of BFT.  We are not an instrument of the IRS, nor are we opposing the spirit of bitcoin, we are simply a tool to help people calculate their bitcoin-related taxes if they need to, and so they know what the IRS knows.  I know it may seem that our site complements the agenda of taxation, but that's a bit like blaming the weather report for the hurricane. Smiley
blaming the weather report for the hurricane Grin Grin very funny however it seems your tool could be more useful to big exchangers that converts bitcoin to USD

I believe anybody, individual or company, that uses bitcoins to purchase goods or services from companies/websites that must report under FinCEN (http://www.fincen.gov/), which is pretty much every site imaginable, will invariably have to calculate their bitcoin capital gains/losses.  This is a fact, and there is little doubt that the IRS will eventually send each and every single person that uses bitcoins, a bill for overdue taxes.  I see many people in denial about the ability and/or legitimacy of the IRS's intent to proactively and retroactively pursue taxes for your bitcoin trades, and to date the IRS has been slow to encompass and enforce said taxation, but make no mistake, if you use or have ever used bitcoins on FinCEN-reporting websites, your entire wallet of addresses has been publicly exposed in the blockchain, your identity is known to the IRS, and your tax liability is deterministic, and unless an unlikely amnesty is granted, the IRS may soon send you a bill for bitcoin profits as far back as 2009!  What's more, even if you never convert your bitcoins to fiat currency and just buy and sell stuff with bitcoins, from the perspective of the IRS, this is called 'bartering', and there is an implied conversion to fiat that is taxed in the same way as if you actually converted to cash first.

I entirely sympathize with the interpretation of injustice this taxation represents to most people, especially from the 'new world order' root perspective that bitcoin's popularity originally surged, but let's keep one important thing at the focus: there is nothing the IRS can do to remove the original attributes of anonymity of bitcoin, unless you expose yourself.  Thus, bitcoins have evolved into a dichotomy, 1) the original, underground, and still very present anonymous ungoverned currency, and 2) the evolving taxable, exposed, and legitimized 'property' version of bitcoin (like a stock).  The IRS owns the second, but can't touch the first.  You have full control over which of these two aspects of bitcoin you participate in, therefore, use bitcoins in the manner most appropriate for your needs.  Ultimately though, it's increasingly more likely you'll start to use at least some bitcoins on FinCEN sites, thus, the BFT website will be an essential tool for you.
8  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 17, 2015, 10:45:15 PM


One more important aspect to consider, the biggest obstacle to global bitcoin adoption is the hesitation of American companies to fully support bitcoins.

No. I used to work for an American company, and I asked them to pay me with BTC. They replied they couldn't do that so I stopped working for American companies and that was it. There's a whole world outside the US!

I believe it's worth considering that widespread American bitcoin adoption currently represents the most significant unrealized plateau in bitcoin's evolving legitimacy on the world stage
9  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 17, 2015, 10:33:54 PM
Way too much text and buttons for what u want the site to be.
Make it 90% more simpler, check preev.com and so on ...

As with anything this day and age, disclaimers and details convolute what really should be a simple thing.  However reading all the text isn't mandatory to understand how to use the calculator, though from a bitcoin newbie perspective, they'll want most of this information.  That being said, with a single paste and as little as 3 button presses, you'll have downloaded your current bitcoin capital gains/losses 8949 data.  I  would argue that's considerably efficient.  Can you suggest an specific example of how you would improve the process?
10  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 17, 2015, 10:22:43 PM
The idea behind this project is good but it will contradict the purpose which bitcoin was made, no central authority and the likes purposes behind bitcoin creations will be defeated.
Bitcoin should be tax free.

The function of BitcoinFastTax is to enable the average person or company to simply and easily calculate their bitcoin taxes, which can't help but spur adoption because many legal uses for bitcoins are inhibited by the complex tax laws surrounding them.  You are not in any way being further coerced into paying taxes by the mere presence of BFT.  We are not an instrument of the IRS, nor are we opposing the spirit of bitcoin, we are simply a tool to help people calculate their bitcoin-related taxes if they need to, and so they know what the IRS knows.  I know it may seem that our site complements the agenda of taxation, but that's a bit like blaming the weather report for the hurricane. Smiley
11  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 16, 2015, 03:25:33 PM
I'd rather have a colorectal examination live on TV than use a tax calculator for my BTC transactions.
Don't you know that privacy is a main reason why many people use and enjoy BTC?

I want the government to die, and BTC's one of the sharpest tool there is towards that goal. Who could be dumb enough to use such software?

Thanks for the feedback.  One of the main goals of BitcoinFastTax was to preserve the user's anonymity, and this is evident in every aspect of the BFT website, from not requiring personal information, to SSL, to even promoting the usage of TORBrowser to access our site.  We are not in the business of assisting the IRS, despite what it may seem.  The larger picture is that the IRS simply 'will' have knowledge of some Bitcoin addresses' owners, whether they know/like it or not, and the IRS will expect to receive taxes for those transactions.  This personal information is in the hands of the IRS because any legitimate vendor that accepts bitcoins is required by anti-money-laundering legislation to report the activities of their customers, and if someone makes a purchase with bitcoins from an address in their wallet, well it's a simple matter to cross-reference the block-chain and discover practically all the addresses that belong to that person's wallet.  Since the IRS has their personal information, and can find most/all of their other addresses in the block-chain, this means they can calculate a bitcoin user's overall tax liability.  The role of BFT is to give the user's the same view of their holdings as the IRS has, so they know the depth of their exposure and subsequent tax liability.  You can't keep your head in the sand, taxation on bitcoins is an unavoidable reality.

This isn't to say that hiding bitcoins isn't possible; the only effective way to conceal bitcoins from the IRS is to have a wallet that is taxable (which you use to make exposed purchases where your ID is known, and to accept bitcoins from exposed sellers that know you), and have a wallet that is 'not' taxable, where you keep your anonymous mining profits and unexposed/anonymous transactions.  Don't mix these wallets.  Disclaimer: BFT does not endorse or promote strategies to hide taxable assets from the IRS, this information is here solely for educational purposes.

Remember, the IRS will retroactively chase you for taxes so if you want to truly understand your tax position as far as the IRS can discover, the BFT website will help you.

One more important aspect to consider, the biggest obstacle to global bitcoin adoption is the hesitation of American companies to fully support bitcoins, for the sole reason of the tax complexity surrounding their usage, and likewise many legitimate uses for bitcoins fail to gain momentum due to the fear of the average person not understanding the complex taxation laws for bitcoins, and thus they just avoid the issue.  By removing the tax complexity obstacle with the BFT website's tax calculator, adoption of bitcoins should now be uninhibited and grow spectacularly, particularly in value.  So you see, it's in everyone's interest that a legitimate taxable path exists for bitcoins.
12  Economy / Service Announcements / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 16, 2015, 03:01:32 PM
I must say this was extremely needed. I wonder why no one replied to you - it's something everyone using Bitcoins needs. Best of luck!

Thank you Smiley  I've posted to a number of places and have received some very productive responses.
13  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 09:30:16 PM
This is only for the US, right? How about adding some stuff for other countries and their tax reporting?

Definitely having support for other countries is on our future development list but we are only supporting the US for this initial release.  That being said, it is possible to use our 'RAW' strategy option to retrieve all your individual bitcoin purchases and sales along with their associated market value at the time of the trade, and this information should assist in declaring gains/losses in other tax jurisdictions.
14  Bitcoin / Project Development / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 09:01:13 PM
Just tried out the site.

The site looks professional and I found it very easy to use. I just tried with one of my addresses and all the calculations seem to be correct.

Something you guys might want to look into is to add the ability for users to enter a hd wallet xpub key instead of single addresses. It would be far easier to just copy/past a xpub key instead of adding every single address.

With HD wallets that can be a real pain as most HD wallets use a new address for every transaction meaning that you might end up with a load of addresses by the end of the year. Would be far easier to just enter the xpub key then instead of trying to copy/past every single address.



Thank you for the positive feedback, and your suggestion makes great sense.  We're looking into BIP44 support for the near future
15  Economy / Economics / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 06:23:03 PM
As far as I know, apparently you need to know what the price of Bitcoin was on every single trade you ever did... I think this is simply insane. Who knows what the hell one did during Mt Gox, Mintpal etc? all those exchanges are dead, so unless you didn't write down every single trade you lost this information. What to do then?

This is precisely the problem that BitcoinFastTax.com (BFT) solves.  It has every bitcoin trade in the blockchain matched with the then mark-to-market (MTM) value.  So for someone to get all this trade information for their IRS Form 8949, they simply enter their addresses in the BFT calculator page and the calculator does the rest, producing all trades and MTMs in a downloadable grid.  The user can choose various optimizations too, such as FIFO, FILO, Average, etc.  BFT can retroactively produce data back to the beginning of bitcoins (2009).
16  Economy / Economics / Re: BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 04:38:33 PM
Presently, it is a US-focused federal capital gains/losses tax calculator for your bitcoin transactions.  The website provides you with your optimized trading activity for the purposes of reporting to the IRS, but this information is equally applicable to any state/city filing requirements.  That being said, there is an option to display 'RAW' transactions and their associated fair-market values that could conceivably be used for any country/jurisdiction filing requirements.  If enough interest is generated, we may expand to cover other countries.
17  Economy / Service Announcements / BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 03:36:23 PM
We're almost ready for full launch.  Would appreciate the community's feedback Smiley

https://www.BitcoinFastTax.com
18  Economy / Services / BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 03:34:54 PM
We're almost ready for full launch.  Would appreciate the community's feedback Smiley

https://www.BitcoinFastTax.com
19  Bitcoin / Project Development / BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 03:33:19 PM
We're almost ready for full launch.  Would appreciate the community's feedback Smiley

https://www.BitcoinFastTax.com
20  Economy / Economics / BitcoinFastTax.com - Fast, Easy, Free Tax Calculator for bitcoin transactions on: October 15, 2015, 03:27:22 PM
We're almost ready for full launch.  Would appreciate the community's feedback Smiley

https://www.BitcoinFastTax.com

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