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121  Economy / Speculation / Re: So how many of you are going to sell to rich Wall street tycoons? on: March 07, 2017, 06:08:19 PM
Sell? I'm actually going to buy some ETF with useless cash that's currently sitting in my IRA.
122  Economy / Speculation / Re: What is the timeframe to get in BTC in the event of ETF approval on: February 25, 2017, 02:43:44 PM
Haven't you heard of the old trading adage "Buy the rumor sell the news?"   Grin

By the time you hear the news it is usually too late to buy.
123  Bitcoin / Mining speculation / Re: Mining my own cloud? on: February 21, 2017, 01:51:43 AM
Ugh I'd be happy even if it made 1-2$ a day per pc. Heck at $300/day who would argue that? So much wide spread info on the subject of mining. It's so hard to learn what's legit and what's bs.

Currently you'd need 1.62 TH/s to gross $1 a day, excluding electricity and other costs. I can't think of any PC or GPU that can do that. A high-end server doing double SHA256 CPU mining can only manage a few hundred MH/s.
124  Bitcoin / Bitcoin Discussion / Re: If every Bitcoin user would run Bitcoin miner in home? on: February 21, 2017, 12:33:20 AM
1 miner can mine very little bitcoins, it is not worth for electricity, you should make a huge mining factory to make more profit. Mining at home is unrealistic to be rich.

Again, i already have said that i don't want to earn. I want to support Bitcoin network and i wonder do my 1 miner would help or i should leave everything to big miners.

Just do it. Get your own miner and either:

1) solo mine
2) point it to a non-Chinese pool of your choice

Whatever you do, if you want to support the distributed philosophy of Bitcoin, don't join the moronic sheep and point it to a high-hash rate pool because you want frequent payments.
125  Economy / Speculation / Re: Chinese bitcoin traders lost track of authentic price on: February 18, 2017, 01:33:45 PM
Without an exchange that allows bitcoin withdrawal, the price has lost its value.

What do you expect? The market has been artificially dislocated by the Pork Bone of China ruling. The lower market value represents the price of coins that you cannot immediately use for a month.
126  Other / Meta / Re: Forum email encryption in transit on: February 15, 2017, 12:24:28 AM
I notice Gmail warns emails to bitcointalk.org aren't encrypted in transit. Perhaps good to enable?

https://support.google.com/mail/answer/6330403?visit_id=1-636224307292452557-2883007702&p=tls&hl=en&rd=1

I feel like at the very least opportunistic TLS should be enabled for outgoing emails from the forum.
127  Economy / Speculation / Re: Bearish on global equities? on: February 02, 2017, 10:11:43 AM
LOL, who would use their BTC to invest in unregistered, unproven hedge funds?
128  Bitcoin / Bitcoin Discussion / Re: What exactly can you buy with Bitcoin? on: January 15, 2017, 12:21:57 PM
I've bought a TV and some high-end watches from www.overstock.com - they accept Bitcoin payments directly. I am not sure if they deliver outside the US, though.
129  Bitcoin / Legal / Re: Money laundering via BTC on: January 09, 2017, 05:53:19 AM
Of course it is possible to launder money via Bitcoin. Otherwise, Bitcoin cannot be considered the equivalent of a real currency, because the ability to launder money is a "feature" of every fiat currency.  Grin
130  Bitcoin / Bitcoin Discussion / Re: how strong is bitcoin really? on: January 08, 2017, 02:54:21 PM
How then to solve legal problems if you suddenly need arises. After all, because of the anonymity of purses nobody can prove his right to a particular action or coins.

By cryptographically signing a message you can always prove that you own the private key to one or more addresses in a wallet. It has always been that way - you get to choose if you want to reveal ownership of coins.
131  Bitcoin / Bitcoin Discussion / Re: These are worth $1000+ now. on: January 07, 2017, 06:07:58 AM

Mike addresses these concerns: https://www.casascius.com/faq.aspx


I guess the test of time has proven the integrity of the private keys within these coins. Many people did not go for the 25 BTC denomination even when it was worth only a few hundred bucks because of these concerns. I certainly didn't, but now I wish I had.
132  Bitcoin / Bitcoin Discussion / Re: What do you think are the biggest disadvantages of Bitcoin? on: January 07, 2017, 03:34:27 AM
The biggest disadvantage of Bitcoin is that all transactions happen in a single ledger. That ledger may be physically distributed, but logically there is no partitioning of data and everyone sees the same copy. People don't realize this architectural limitation and think they can use Bitcoin for applications with a high number of transactions per second - "if only blocksize were increased". These people should just accept is for what it is. It is fine to increase the block size by a modest amount (maybe to 2MB, or even 8MB max) but it won't give you the high TPS rating that they seem to be hoping for. You will not get cheap transactions and instantaneous confirmations. Better to just learn work with it's limitations. Don't force big blocks, and when they do eventually come enjoy the modest increase in performance.
133  Economy / Speculation / Re: This pump is not sustainable. on: January 05, 2017, 01:16:47 AM
What kind of moron shorts this?





In the past the peaks have always been marked with wildly fluctuating prices. At this time we are not there yet.
134  Economy / Speculation / Re: Sell my stocks buy bitcoin... on: January 04, 2017, 10:24:29 AM
I wish I could buy some Bitcoin ETF in my IRA and diversify away from stocks. GBTC is not a viable option for me right now, plus it does not yet accurately track BTC prices.
135  Economy / Speculation / Re: Bank Interest VS Bitcoin profits on: January 04, 2017, 10:13:18 AM
where do you guys get those bank interests of over 3%?? Cheesy

my bank has like 0.5% right now ...

His friend is probably not in the US. For example you can easitly find 8% deposit interest rates in crap currencies such as the IDR.
136  Economy / Speculation / Re: BTC-E price difference on: January 04, 2017, 09:47:01 AM
Is there a reason why the price on BTC-E is so much lower than the other exchanges?  It's currently trading at $1018 while Bitstamp is $1054.  The Chinese exchanges are even higher.  Couldn't someone just buy on BTC-E and sell on Bitstamp?  I'm assuming I'm missing something so if someone could explain this to me it would be much appreciated!

Have you actually tried depositing USD into your BTC-E account? Just try do it and you will understand the reason why. It is either very costly or very inconvenient to do, depending on where you live and what transfer options you have.. On the other hand selling BTC and withdrawing USD is relatively easier.
137  Bitcoin / Bitcoin Discussion / Re: How would you store >100 Bitcoins? on: January 04, 2017, 09:40:35 AM
Storing as much as BTC100 in a single wallet is not a good idea. If I had BTC100 with me, then I would split them in to ten different wallets than storing all of them in a single wallet.

Why? That's 10 different wallets you need to keep track of. You might make a mistake handling so many wallets. For example, if you were dealing with 10 similarly named Bitcoin core wallet.dat files you might accidently backup one twice and forget to backup another.
138  Bitcoin / Mining speculation / Re: As a miner, why do you mine rather than buy and hold? on: January 02, 2017, 11:45:45 PM
For heating. I have 2 x S9's heating my basement and 1 x S9 heating my attic. The circulating air keeps moisture away too.  Grin
139  Bitcoin / Bitcoin Discussion / Re: Did I lost btc>fiat when I tried to use ATM ? on: January 02, 2017, 08:45:24 PM

If the atm seller does not refund your money or send the requested btc in a reasonable amount of time ...


They way I read it you got it backwards.

Quote

Wanted to btc>fiat - 140$ but transfer never confirmed


It looks like the OP tried to send BTC to the ATM to get cash.

140  Economy / Speculation / Re: Wall Observer BTC/USD - Bitcoin price movement tracking & discussion on: January 02, 2017, 07:22:59 PM
Any curve can be represented as a sum of sinusoidal curves, i.e. a Fourier series.

Not quite. Any periodic curve can be represented as a sum of sinusoidal curves. The trick is in knowing the periodicity of $=f(t). protip: that f() ain't periodic.

Nope.
An infinite fourier series can match any continuous differentiable function.

An infinite series of a non-deterministic function is unrealizable.

Unless you know the function a priori, you cannot derive a convolution thereof. If you know the function a priori, there is no need to convolve it in order to profit. The entire concept of obtaining a Fourier series of $=f(t) is therefore nonsensical.

Obviously we don't know what the price curve is going to be in the future. That's not the point. The point is that if the price starts at f(t_0) = X and ends at the same price f(t_1) = X, and in between it has lots of ups and downs, then this method will increase the end-value of your total holdings (expressed in BTC or in $). It doesn't matter what f(t) does in between. You don't have to know ahead of time what f(t) is going to do. The demonstration of this statement makes use of the fact that f(t) = the sum of lots of sine waves, for any f(t). This is true even if we don't know ahead of time what exactly f(t) is.



There is a simple way to do a sanity check to determine if what is proposed is nonsensical.

1) Find a price level X where the curve hits at 2 points, t_0 and t_1. Solve for f(t_0) = X and f(t_1) = X.

2) Find another price level Y where the curve also hits at 2 points, t_2 and t3. Solve for f(t_2) = Y and f(t_3) = Y.

Use the 2 solutions to extrapolate 2 curves into the future. If the curves are wildly different then all this would be a waste of time.
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