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best hacking-line would have been:
*taking over controll of mt.gox account with lots of coins
*creating 100 accounts
*creating 100 new bitcoin-adresses
*creating buy-orders for 0.01 usd/btc in all 100 accounts
*making the price crash to 0.01 with the hacked account
*intantly cashing out all 100 accounts to different bitcoin-adresses at a price of <1 usd/btc.
=> so even with the 1000usd per day limit, he would have gotten at least 100.000 bitcoins out of the system. with no rollback possible.
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[...] you can only withdraw a 1.000 USD worth of bitcoin per day [...]
so if the price was 0.1 usd/btc, the hacker could have withdrawn 10.000 bitcoins? (10000*0.1=1000) |
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Hey, hast du noch welche?
Auf Grundlage welches Kurses werden die Anzahl der Coins berechnet?
Danke Gruß Bloody
momentan 3,7 bitcoins für einen 50 euro gutschein die kursgrundlage ist der aktuelle mt.gox kurs. |
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beim aktuellen kurs und 5% rabatt, 2.22 coins für einen 50 euro gutschein.
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habe noch einige zu verkaufen.
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how many coins is this rig going to mine in its whole lifetime? probably not more than 25, right?
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ich weiß, das hier ist ein bitcoin-forum, aber würdest du das blaue hollister-polo auch gegen paypal oder banküberweisung verkaufen?
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if this trend continued, we would all be multi-millionaires next year. i think once certain price-barriers are crossed, psychological issues come into play. people will get very hesitant when it comes to paying 1000usd for one bitcoin. but thank you, chodpaba. this is in fact very interesting. I think mining will be totally worthless for the average Joe within the next couple of months, there's a lot of big guys with deep wallets and cheap electric setting up shop and expanding at a crazy rate.
i wouldn't have any problems investing 100k in expensive hardware if i could expect a positive outcome. but so far, i'm not convinced at all. |
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i never said that this model was perfect. it's just the best i can do.
to get things forward: how do you decide? just "feeling it" obviously doesn't work.
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do you mining-guys really expect a price increase of 20+% per 10 days?
20% would bring us to 450usd/btc in 6 months. 30% to 2000 usd/btc.
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Third, if you want torun this as a business, then calculate as a business. You get full investment back - according to your calculation - AND a 60% return on investment within 10 weeks.
no, i'll never get to any profit based on the updated spreadsheet. the profit on the right is the profit without hardware-costs. after 10 weeks i'm at -400 dollars (-40%). not a great investment at all. (at least for me with high energy costs in germany) |
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well this weeks will be better than your forecast, as of right now, they only predicting a 26% difficulty increase, dont see that going up to 37.5 in a day, so you will make a little more this week than what your sheet is saying
maybe possible. but i am not even close to any profit (after buying hardware) in this spreadsheet. and i didnt even include my working time. |
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ok, i updated my spreadsheet based on your suggestions. i will need a few days to order my hardware and difficulty will increase tomorow. i also changed the 14day intervals to 10 days. looks worse and worse...  |
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what will be your hash rate?
what gpu are you buying?
since its impossible to get 6990s here in germany (all out of stock), i calculated with 3 5850s, which have 330.000 kHash/s, according to https://en.bitcoin.it/wiki/Mining_hardware_comparison. combined hashrate would be 1.000.000 kHash/s. (as you can also see in the top-left of the excel sheet) PS: using 2x6990 instead of 3x5850 wouldn't change the outcome too much. |
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