Quote from: johnyj on January 08, 2014, 09:08:22 PM

Quote from: newguy05 on January 08, 2014, 04:35:57 PM

1) Currently difficulty is at ~10,000 TH
2) Single 1 TH mining box cost ~$1000 to manufacture (reality is much less than 1k, but for easy calculation lets use $1k)
3) To destroy the bitcoin network you need to control 51% of the network.
4) To bring 10,000 TH (assume evildoer wants to be thorough) online it will cost: 10,000 * $1000 = $10million, add on another $10millon for R&D, $20million total.
5) Goldman saches makes ~$30million a day in NET revenue (same with most other banks)
6) It will cost a SINGLE bank HALF day's net revenue to wipe bitcoin out - less than their office supply budget.

1. No one can get 10,000 such mining boxes manufactured in 3 months, and it is very likely in 3 months the difficulty will rise another 10 times

Intel or another semiconductor company could easily do it.

suprememilo

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