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1  Bitcoin / Bitcoin Technical Support / PYWallet Help - Dumping encrypted private key on: September 01, 2013, 07:06:18 PM
Sorry if this is a dumb question which makes me look like an idiot, but I have been unable to extract the private keys from the wallet.dat file. I've been trying to use pywallet.py, but each time I do, I get the following:

        {
            "addr": "1ktfy4LrHRQ2bmLauCdstbgGJEpPa8Qm6",
            "n": 101,
            "nTime": 1378059316,
            "nVersion": 80300,
            "public_key_hex": "03e9795fcadcba658da6550517bc239c8bcd86d00741c527533ffb22ac4474eb2c"
        }

There is no privkey section. When I try to go through the web interface to do keydump, I get "File not written". In fact all I can get to work is wallet dump. All of the other commands cause errors.

Any idea what might be causing this?
2  Bitcoin / Legal / Did Instawallet need a Money Transfer License? on: August 31, 2013, 11:08:48 PM
I am aware that companies like Blockchain.info aren't MSBs because they are 'users' under FinCen's definition. However, what seems like a potential grey area is something like Instawallet that functions like Blockchain.info, but actually holds your funds. Also there is Blockchain.info's Coin Mixer, and inputs.io.


"a person that creates units of convertible virtual currency and sells those units to another person for real currency or its equivalent is engaged in transmission to another location and is a money transmitter."

This is already sort of dubious as implies that all miners that "cash out" are exchangers and need to be licensed, which I can't believe to possibly be true. But there is also this:

"The second form involves a de facto sale of convertible virtual currency that is not completely transparent. The exchanger accepts currency or its equivalent from a user and privately credits the user with an appropriate portion of the exchanger's own convertible virtual currency held with the administrator of the repository. The exchanger then transmits that internally credited value to third parties at the user's direction. This constitutes transmission to another person, namely each third party to which transmissions are made at the user's direction. To the extent that the convertible virtual currency is generally understood as a substitute for real currencies, transmitting the convertible virtual currency at the direction and for the benefit of the user constitutes money transmission on the part of the exchanger."

The 'exchanger' (i.e, potentially, Instawallet or Blockchain.info) is receiving currency (Bitcoin) from a user and privately credits the user with an appropriate portion of the exchanger's own convertible virtual currency (money inside instawallet, or, the promise by Blockchain.info to give you your coins after mixing) held with the administrator of the repository (i.e, instawallets wallet.dat file). The exchanger then transmits that internally credited value to third parties at the user's discresion (you use your instawallet to pay somebody).

It seems sort of dumb and nonsensical that Blockchain.info wouldn't be regulated and something like inputs.io would considering they serve basically the exact same purpose (an online Bitcoin wallet). Do you think that Fincen would really want to enforce this rule in such a way, or is it just another one of those bad wordings such as the one that implies miners are exchangers?
3  Economy / Speculation / If you could convert your paycheck into bitcoin (like automatically) on: August 31, 2013, 08:02:29 PM
Just a fun poll.
4  Economy / Computer hardware / Selling: High Performance Server 64 GB/RAM, 4.4 TB Disk Space on: August 31, 2013, 06:42:46 PM
Hello we have a 4 unit server available to sell in California (Bay Area). Local pickup is preferred. Bitcoin payment accepted & encouraged. PM me with offer.

Stats below:

Quote
Motherboard: Supermicro X9SRA

Processor: Intel® Xeon® Processor E5-1620 (10M Cache, 3.60 GHz, 0.0 GT/s Intel® QPI)

RAM: 64 GB (4x16GB) - DDR3 1600MHz Intel Validated - Part #: KVR16R11D4K4/64I

Storage: 4.4 TB
2 x 2.5” 200 GB Intel DC S3700 SSD (SATA III 6GB/s)
2x 2 TB (Toshiba I think)

Infiniband: Mellanox MCB194A-FCAT (PCIe 3.0 x16)

Video card: Nvidia Quadro K4000 (PCIe 2.0 x16)

Server also comes with:
Raid card
CD/DVD Drive
Dual power supplies.
5  Economy / Speculation / If the current trend is sustained on: August 31, 2013, 05:37:20 PM
By next month there will be no coins for sale on gox.

6  Bitcoin / Legal / Is Bitfinex technically usury & illegal? on: August 28, 2013, 12:35:34 AM
-> Federal law in US currently hard-caps interest rates for military personnel at 36%
-> Most states have some sort of a cap for other loans as well, though some of these are absurdly high.
-> Many high-cost loans like Cash Advances etc.... are not currently available in the following states: Arkansas, Connecticut, Georgia, Kentucky, Maryland, New Jersey
New York, North Carolina, Pennsylvania, Vermont, West Virginia, District of Columbia, and in many of the other states, they need explicit licensing.

I've seen Bitfinex loans at huuumongous interest rates, like 300%+ APR.

So isn't Bitfinex's "we are now regulated" statement a load of crap? Maybe they can be regulated as a Bitcoin exchanger, but their lending exchange seems clearly illegal.
7  Economy / Speculation / Prediction on: August 06, 2013, 01:09:05 AM
Head up to about $120, and reverse down to about $94, then continue up from there.

OR

Continue downward from here, ending up between $65s and $50 (probably like $56-ish), then reverse higher from there, probably bringing us to about $120 again and following the pattern expressed above.

I am looking at elliot waves & fibo. I'm having trouble figuring out where we are right now. We could either be currently on the 7th wave, moving onto the 8th big downturn which must end lower than the 6th, i.e, $65. An alternate interpretation is that we are just on a correction, and that the 8th wave occurred moving us from $115 to $65, and now we can have our series of 3 big moves higher followed by small corrections downward.
8  Economy / Securities / Bitcoin Risk Management Offer by Kazu: Benefit from Uptrends, hedge out of Down on: August 03, 2013, 03:06:46 AM
Hello, I'm looking for BTC loans to allow me to short BTC so as to accomplish my hedging strategy. Now, my terms are slightly different than a normal loan, due to the strategy I am attempting. So please read this in full to understand (A) what I am asking (B) why I am asking for it (C) what I will be doing with your Bitcoins when I get them and (D) what risks you face.

My Strategy - Why I need your coins
I am taking advantage of the Bitcoin-denominated accounts available at 1broker. As you can see, I can long BTC there, and if BTC goes up, the BTC I win is worth more than the amount I would lose if BTC goes down. My strategy is to try to minimize risk when attempting this strategy. By using your coins to short at another exchange, I am able to acheive lower exposure to the BTC price. Lets look into this a bit, shall we?

Say I deposit 1 BTC into 1broker, when BTC price is $100.
1) I will take 1 Bitcoin, and sell it at Gox or Bitstamp. I will choose the exchange depending on the circumstances at which I receive your coin. Once I get one or more lenders, I will post daily updates regarding my activity at the exchanges (including 1broker).

2) I will take the Bitcoin I deposited into 1broker, and use it to long BTC at some leverage you specify, such that the total exposure, AFTER LEVERAGE, is equal to the amount i shorted on gox/bitstamp.

3) I will wait for the Bitcoin price to change some amount. This amount depends on leverage and must be at least 25%.

4) Once the price changes by this much, I will close both positions, i.e, rebuy coins with the money at gox, and close the position at Broker1.

5) Since the broker1 is denominated in BTC, should BTC go up 25% at 4 leverage, I will have doubled my money. The 0.25 BTC deposited will now be 0.5 BTC, and I will have to re-buy at gox. $100 / $125 = 0.8. The Bitcoin total has increased to 1.3, where only 1.25 was invested. I pocket the interest, as well as the 0.05 BTC as profit, and return to you your coins IN FULL. If I lost my money at Broker1, then I can re-buy at gox at a rate of $75/BTC, allowing my purchase of 1.333333333 BTC, which I will return to you. I will also have collected some interest at broker1.

6) As a result, by lending to me, you will not receive any set interest rate. Instead, you will protect your BTC from a downward move, while also collecting bonus BTC if the price decreases, effectively allowing you to benefit from a BTC price increase, while remaining relatively unaffected by a BTC decrease, and in fact increasing your BTC holdings.

Risks, Charges & Expenses
1) While this strategy may sound risk-free, there are several risks that may put your investment in danger. The first and most obvious risk is counterparty risk - the risk that broker1 and/or my choice of exchange will steal/lose your coins in some way.
2) The second and perhaps most major risk you face is too large of a deviating exchange rate. Should my choice of exchange deviate far from the volume weighted average (what broker1 uses), your investment may be placed in risk. I will obviously dig out of my own profits to pay you back as promised, but in an extreme scenario, I may be unable to pay you back in full.
3) Only one fee may apply, and this is really not my fee at all, but the exchanges. I currently have a 0.42 Bitstamp exchange fee and a 0.55 Gox exchange fee, which will go down with volume. In a falling market, I will pay back your fees using the broker1 interest payments. However, should this not cover it, you will pay these fees so long as you still are receiving more BTC than you lent to me. In a raising market, these fees are not an issue. I reserve the right to short slightly more than I long in order to protect myself from these fees in a falling market. You will still receive the same amount of BTC in either case.

Get Started!
Please send your loan to 17CrErdvdrw5xWWTeyBsP4g7Zj7FstuSzQ.
Please post on this thread or send me a PM specifying (1) your address, (2) your leverage, (3) any other comments/instructions. In case of two people claiming the same deposit address, I may ask you to send me a signed message proving who you are.

Available leverages are: 1:1 (50% change), 2:1 (33% change), 3:1 (25% change), 4:1 (20% change), 5:1 (15% change).

You will receive your money back plus your profit after the BTC price has changed at least the amount specified depending on your leverage.

Thanks, & contact me if you have any questions.
9  Economy / Lending / Hedge Bitcoin Price & Let Me Short [WRONG SECTION] on: August 03, 2013, 02:00:30 AM
Hello, I'm looking for BTC loans to allow me to short BTC so as to accomplish my hedging strategy. Now, my terms are slightly different than a normal loan, due to the strategy I am attempting. So please read this in full to understand (A) what I am asking (B) why I am asking for it (C) what I will be doing with your Bitcoins when I get them and (D) what risks you face.

My Strategy - Why I need your coins
I am taking advantage of the Bitcoin-denominated accounts available at 1broker. As you can see, I can long BTC there, and if BTC goes up, the BTC I win is worth more than the amount I would lose if BTC goes down. My strategy is to try to minimize risk when attempting this strategy. By using your coins to short at another exchange, I am able to acheive net-0 exposure to the BTC price. Lets look into this a bit, shall we?

Say I deposit 1 BTC into 1broker, when BTC price is $100.
1) I will take 1 Bitcoin, and sell it at Gox or Bitstamp. I will choose the exchange depending on the circumstances at which I receive your coin. Once I get one or more lenders, I will post daily updates regarding my activity at the exchanges (including 1broker).

2) I will take the Bitcoin I deposited into 1broker, and use it to long BTC at some leverage you specify, such that the total exposure, AFTER LEVERAGE, is equal to the amount i shorted on gox/bitstamp.

3) I will wait for the Bitcoin price to change some amount. This amount depends on leverage and must be at least 25%.

4) Once the price changes by this much, I will close both positions, i.e, rebuy coins with the money at gox, and close the position at Broker1.

5) Since the broker1 is denominated in BTC, should BTC go up 25% at 4 leverage, I will have doubled my money. The 0.25 BTC deposited will now be 0.5 BTC, and I will have to re-buy at gox. $100 / $125 = 0.8. The Bitcoin total has increased to 1.3, where only 1.25 was invested. I pocket the interest, as well as the 0.05 BTC as profit, and return to you your coins IN FULL. If I lost my money at Broker1, then I can re-buy at gox at a rate of $75/BTC, allowing my purchase of 1.333333333 BTC, which I will return to you. I will also have collected some interest at broker1.

6) As a result, by lending to me, you will not receive any set interest rate. Instead, you will protect your BTC from a downward move, while also collecting bonus BTC if the price decreases, effectively allowing you to benefit from a BTC price increase, while remaining unaffected by a BTC decrease, and in fact increasing your BTC holdings.

Risks, Charges & Expenses
1) While this strategy may sound risk-free, there are several risks that may put your investment in danger. The first and most obvious risk is counterparty risk - the risk that broker1 and/or my choice of exchange will steal/lose your coins in some way.
2) The second and perhaps most major risk you face is too large of a deviating exchange rate. Should my choice of exchange deviate far from the volume weighted average (what broker1 uses), your investment may be placed in risk. I will obviously dig out of my own profits to pay you back as promised, but in an extreme scenario, I may be unable to pay you back in full.
3) Only one fee may apply, and this is really not my fee at all, but the exchanges. I currently have a 0.42 Bitstamp exchange fee and a 0.55 Gox exchange fee, which will go down with volume. In a falling market, I will pay back your fees using the broker1 interest payments. However, should this not cover it, you will pay these fees so long as you still are receiving more BTC than you lent to me. In a raising market, these fees are not an issue. I reserve the right to short slightly more than I long in order to protect myself from these fees in a falling market. You will still receive the same amount of BTC in either case.

Get Started!
Please send your loan to 17CrErdvdrw5xWWTeyBsP4g7Zj7FstuSzQ.
Please post on this thread or send me a PM specifying (1) your address, (2) your leverage, (3) any other comments/instructions. In case of two people claiming the same deposit address, I may ask you to send me a signed message proving who you are.

Available leverages are: 1:1 (100% change, you may specify close at any time you wish, so long as total change since investment is more than 50%), 2:1, 3:1, and 4:1. 5:1 is not available since 20% is not enough change.

You will receive your money back plus your profit after the BTC price has changed at least the amount specified depending on your leverage.

Thanks, & contact me if you have any questions.

EDIT: I think I posted this in the wrong section, my bad. I think it should go in the securities section, entirely my fault, if somebody could delete this that'd be great, thanks.
10  Other / Off-topic / FOREX - Multiply your Bitcoins on: August 02, 2013, 01:13:21 AM
Disclaimer: I dont claim to be an expert in Forex

There are a number of Bitcoin-accepting Forex Exchanges/Brokers out there, so I just thought it would be fun if there was a thread where Bitcoiners could share their non-BTC currency pair strategies & share FOREX ideas/signals with other Bitcoiners. To what end? Help everybody here make more Bitcoins of course Grin

I'm currently testing various ideas out using the ForexMetal demo account. I have traded Forex before but not exceptionally well, and never with Bitcoins as my deposit method, so naturally this takes it to a whole new level  Tongue

Right now I'm testing out a nice little reversal strategy involving the Awesome Oscillator (which really has been awesome, in my experience) and the stochastic on the M5 chart.



Essentially I won't buy on overbought or sell on oversold. My buy/sell trigger is the AO switching direction. I also am a big fan of stochastic divergence trading, no specific strategy, sometimes it looks good to trade on and sometimes its ridiculous. Generally if there is bullish divergence AND its oversold, I just buy and be done with it, ignoring the IO. Same thing goes for selling.

Do you think this strategy has any hope, do you have any of your own to share, or any improvements?
11  Economy / Speculation / BTC Debt Instruments & BTC-E on: August 01, 2013, 06:51:06 PM
There is covered debt  - you put 2BTC into bitstamp and (supposedly) they just keep it in their position, dont re-lend or re-spend it. You do whatever, and then it comes out later back to you if they still owe it to you.

There is debt as an investment - you put 2BTC into havelock investments and then your debt instrument will either increase or decrease in value.

There is uncovered debt - You put 2BTC into shadyexchange. This 2BTC they use as funds to support their market-making activities.

I'm not to concerned about covered debt, for obvious reasons. I mean, obviously I am concerned if I'm putting my own Bitcoins in such a situation due to counterparty risk, but in terms of the larger economy im basically fine with it. Worst case scenario: Instawallet. Doesn't really do that much harm to the overall bitcoin situation.

Debt as an investment is something to be careful about, but again im not truly worried about it. Any btc-denominated asset could technically fall into this category, so in a sense the more there is the better. The problem is when this and the next type of debt interact too much.

I'm starting to become really worried about uncovered debt in the BTC economy. Many exchanges could be using this, in both BTC and USD, and really there would be absolutely no way of knowing, and absolutely no reason why they shouldn't do this. The problem with uncovered debt is that it is secretly debt as an investment - only it is indistinguishable from actual BTC (at least, on that exchange). The result is, that the opposite scenario could happen from Gox: Rather than USD being uncovered and thus screwing with exchange rates royally, BTC being uncovered and pushing the rate in the other direction.

Now, here's the thing: The more I look at it, the more I suspect BTC-E might be engaged in these types of practices. As long as you have a euro or russian bank account, its extraordinarily easy to arbitrage with fairly good speed between Bitstamp and BTC-E.

I mean, its no proof by any measure, but this is speculation, right?
12  Economy / Trading Discussion / Accidentally Opened 2 Accounts at Gox on: July 29, 2013, 07:46:42 PM
So when I verified my account, I created a whole new account rather than verifying the original account (I have no idea why).

Then I accidentally deposited bitcoin into the original account, rather than the one that was verified.

Any idea what I should do now? Mt. Gox says:

Quote
Q: Why is my account pending review?

Because you have transgressed one or more of the following Mt.Gox rules as follows:

You have signed up for more than one account.

Is this really bad? I haven't even used either account until now, its not like I could have been conducting money laundering.
13  Economy / Speculation / Sell MtGox on: July 25, 2013, 06:18:51 AM
Face it, selling Bitcoin on MtGox is not truly getting USD, but getting MtGoxUsd, a complex derivative whose value is tied to the likelyhood of mtgox not fucking up.

If you are such a bear and want to sell Bitcoin, do yourself a favor and sell it on a real exchange. If MtGox really planned to pay back USD they would conduct arbitrage between their own market and all others (heck, they aren't even in US, so they can even get USD into BTC-E). And they aren't. Its pretty clear what that means.
14  Bitcoin / Development & Technical Discussion / Help with Bitcoin JSON RPC - more SLOOOWness on: July 25, 2013, 06:03:08 AM
This is your local wannabe-server-guy and as usual I've managed to screw things up again. After realizing that bitcoind was working very slow I found a server with a much faster disk IO I loaded bitcoind on there, and boom, instant good response time!

Quote
time bitcoind getinfo
{
    "version" : 80100,
    "protocolversion" : 70001,
    "walletversion" : 60000,
    "balance" : 0.00000000,
    "blocks" : 244761,
    "connections" : 8,
    "proxy" : "",
    "difficulty" : 21335329.11398300,
    "testnet" : false,
    "keypoololdest" : 1374707237,
    "keypoolsize" : 101,
    "paytxfee" : 0.00000000,
    "errors" : ""
}

real    0m0.006s
user    0m0.004s
sys     0m0.000s

After quickly thanking the internet for helping me with that I'd like to ask another favor. The server running bitcoind here can't be my webhost for reasons. So I have done an rpcallowip allowing connection from a remote PHP host. And, wonderfully enough, it works much of the time, with response times about 0.14-ish. Which is fine by me. However, sometimes I get:

Quote
Warning: fopen(http://...@myserver:8332/): failed to open stream: Connection timed out in /stuff/jsonRPCClient.php.

Fatal error: Uncaught exception 'Exception' with message 'Unable to connect to http://bitcoinrpc:mypassword@myserver:8332/' in myfile Stack trace: #0 /myfile: jsonRPCClient->__call('listtransaction...', Array) #1 mypath: jsonRPCClient->listtransactions('kazu') #2 mypath: include('file.php') #3 {main} thrown in /stuff/jsonRPCClient.php on line 140
Listtransactions happens to be the first call I make. This error comes after waiting a while. To test, if this was a legitimate issue, I tried telnetting. Now, I'm not 100% sure this means that it should be working working, but I did:

time telnet myserver:8332

and repeated it 100 times, and got back

telnet: could not resolve myserver:8332/telnet: System error

with an average response time of 0.016 seconds.

So is the issue with my bitcoind-machine's internet, or does the telnet experiment imply that its a problem with my client? What should I do?

EDIT: Just tested, I get "telnet: could not resolve server:8332/telnet: System error" even for servers that aren't listening. So, I tried portscanning. I get "port open" for on my server on 8332 in a number of milliseconds. What gives?
15  Bitcoin / Development & Technical Discussion / Bitcoind SLOOOOW on: July 22, 2013, 06:00:40 AM
My Bitcoind is really slow. I'm trying to to start a service using it a bit (by a bit, I mean really not that much) and for some reason its using up 40%+ of my CPU all the time. I suspect it is slowing down my page loads as they are really quite slow. Has anybody else ran into this problem, and if so, do they have any workarounds/alternate software (I still need account management & all other bitcoind features but mining)/other fixes?

Thanks tons!
16  Economy / Speculation / A Much More Fun Downtrend on: July 15, 2013, 08:33:26 PM
17  Economy / Speculation / Where will you buy? on: July 06, 2013, 12:15:42 AM
I'll buy at $57. Only $10-ish (at this rate, about 1 day, maybe 2 because its the weekened) more to go.
18  Economy / Speculation / Arbitrage Oscillator Indicator on: July 04, 2013, 06:32:56 PM
I really have no evidence of this but for my own experience,
But it seems as if the difference between Mt. Gox & Bitstamp price serves as a indicator for the future price of Bitcoin. I can't really get any great chart of this, so its hard to visualize, but I've been looking at it and it sure seems like it at the very least confirms the trend.

When the potential for arbitrage across these two exchanges is high, then the price drops. Sooner or later the Bitstamp price starts climbing and the Mt Gox price stops falling, and the spread between the two starts getting smaller and smaller. Indicator to BUY.

While that difference is slowly getting smaller, the price goes up. Eventually the two get at basically the same price, sort of like we are now (Bitstamp ~79.99, Gox ~80.00). Now we wait to see what happens as the spread grows. If the price is going up while the spread is growing, we hold, and hope that the spread starts shrinking to confirm the trend. If the spread grows while the price (at least on gox) stays roughly the same, or even potentially goes downward, we sell.

If this is true, potential implication:

1) There is more arbitrage going on than we may think.
2) We are at a critical turning point now, considering the difference in rates is very low (spreads being low meaning that the price is sort of 'confirmed' as a potential turning point.)
3) Is Bitstamp now potentially leading Gox to an extent??
19  Economy / Speculation / Clearly This Isn't 2011 on: July 02, 2013, 07:10:34 PM
I'm sort of sick of hearing the comparisons with 2011. I agree that there are some levels that the 2010 bubble sort of indicates are support, but honestly. The charts look completely different. I'm not saying this in a bull/bear way, it could be better than 2011, it could be worse than 2011 in that there isn't a rally soon after. Whatever. All I'm saying is its not 2011.

2011:

http://bitcoincharts.com/charts/mtgoxUSD#rg60zczsg2011-06-04zeg2011-08-13ztgSzm1g10zm2g25
http://bitcoincharts.com/charts/mtgoxUSD#rg60zczsg2011-06-04zeg2011-06-13ztgSzm1g10zm2g25

As you can see, the crash was a LOT slower in 2010

http://bitcoincharts.com/charts/mtgoxUSD#rg60zigHourlyzczsg2013-04-06zeg2013-04-13ztgSzm1g10zm2g25

Next, the bounce held for a lot longer (is holding), i.e, we aren't dipping below $57 yet.

Now: http://bitcoincharts.com/charts/mtgoxUSD#rg60zczsg2013-04-06zeg2013-07-02ztgSzm1g10zm2g25
2011: http://bitcoincharts.com/charts/mtgoxUSD#rg60zczsg2011-06-04zeg2011-09-01ztgSzm1g10zm2g25

I suppose you could argue that in 2011 it bounced off $5, but our bounce took roughly 2 days while their bounce took roughly 2 months.

$10 looks like the bounce-off point for 2011, and even if it breaks $57 somehow tomorrow, we still have lasted above the bounce point about twice as long as in 2011.
                                                                                                                        /|
The crashes look nothing like each other, other than the fact that the price goes _/  \_. Only, we don't even know the bottom yet, so we don't even know if it'll look like that.

So while I agree that people are obviously going to put walls up at $17 if it ever gets down that low, just because they think this is 2011, it isn't 2011, so using that as evidence or analysis is sort of bad unless you are just trying to figure out where somebody might put up a bid/ask wall.

20  Economy / Speculation / Bitcoin Needs Something New and Exciting on: July 01, 2013, 11:00:38 PM
Something not based on expecting a price jump (i.e, some bigshot saying that he is investing in bitcoin).

Something that will get merchants excited and accepting Bitcoin adding to the stickiness of its value.

I have the theory that once Bitcoin gets sticky, it will slowly accrue !10% value increase each year. Before that, it will bounce up and down a lot, before stickiness is obtained. I have no idea whether stickiness will be obtained at $1000, or $100, or $50, or $20, so I'm not a 'perma bull' based on the current price by any means, but we need something to get that stickiness, and the sooner it comes, the better.

What do you think is the best way of getting merchants excited?
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