What they are likely doing is requiring that all people verify their identity. They are just doing it in stages.
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I think the circuit you will have to search for is the "shock" circuit. How much can you charge up a capacitor without stopping the heart... Of course you could just hook participants up to 120VAC.
It's for school. The most power we can pull without freaking people out would have to come from a battery. This experiment must also last at least 5 rounds. We should have enough 9v's, but nothing more than that. 120VAC was a joke, whoosh. Using 9 volt batteries isn't in itself a measure of safety - stun guns run on 9v batteries. Heck, those joke lighters and pens that zap you when you try to light them or press their buttons only run on 1.5v batteries. Be careful. |
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nobody bypassed that issue. The miner likely has 1.0 to 1.4 TH/s of hashing power. Nothing indicates he has bypassed the proof of work. If he has why stop at 1.4 TH/s "effective hashing power". Why not 10 TH/s and make 8x as much.
He is a big miner. It would be like saying Deepbit solved 3 blocks last hour so they must have broken SHA-256.
Not only this, but botnets cost money to rent, and my guess is that he shows up occasionally because the botnet operator is selling it to other "customers" for things like spam as well. Whether the botnet owner is the one that is mining, or whether the miner is just someone paying the botnet owner for processing time, I don't know. |
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No:
verification: CPU is the bottleneck
indexing: HDD latency is the bottleneck
download: network/p2p is the bottleneck
Indexing almost always outweighed the other two, unless you were running on a ramdrive.
Yes, sorry I confused verification with indexing. |
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Verification. Later blocks were larger and had more transactions and spam, causing them to be slower. Running the initial download in a ramdisk has always been speedy, because the disk throughput was the bottleneck. Sounds like that has either been made more efficient or removed.
Verification -> CPU is the bottleneck Download -> HDD is the bottleneck So, which one of the two then? :-P Defragmenting the local (large) blockchain doesnt help, in my tests. I cant believe its a HDD throughput problem.. Sure, many thousand blocks, but its just a few gigs data? So I guess "verification/CPU" is the problem. My CPU was at 100% while loading the chain, too.. But then: The point in cryptographic tools (like hashing the block to verify) is that the verify is quick, the reverse (brute-force) painfully slow? Ente No, it was disk bound because of huge numbers of tiny read and write operations. For those without a ramdisk, even an SSD improved the speed dramatically. Disk throughput could not be a factor in download, since a normal internet connection (less than 50mbps) would not be able to saturate a hard drive's throughput speed. |
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I'm pretty sure they are looking to get everyone verified at any cost, thus the constant stream of AML docs required for petty things like this. Although I find it useful that they are bothering to even look into where the coins came from, it could be as simple as locking the account and asking the user that deposited them and then unlocking it again, no AML bs needed.
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Oh yeah, great! :-)
It really was a pain to wait one, two days for the whole chain..
Out of historical curiosity: What made it took so long? Downloading the blocks from other peers, or verifying the blocks when they got there?
Also, at the beginning of the downloading they came in by the thousands, at the end you can watch the blocks come in one after another per second?
Ente
Verification. Later blocks were larger and had more transactions and spam, causing them to be slower. Running the initial download in a ramdisk has always been speedy, because the disk throughput was the bottleneck. Sounds like that has either been made more efficient or removed. |
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I don't know about everybody else's setup but yours is the best/cleanest I've seen. I wanted to copy your setup but building a custom house/babies/patients took a priority. Oh and the wife, yeah almost forgot that one. Fortunately she's humored me and allowed me to use her office (free juice). I'm up to 7.2 GH/s and I think I'll call it quits at this point since I can't find any more spots to hide rigs from her patients. I can't see myself buying singles since I don't have as much confidence in resale of the units should shit hit the fan. I just need to move my 6950 from my house to somewhere in her office since 24/7 usage is getting me close to Tier 5 with SCE and that's over $0.40 per KWH  What?!?!?! Where do you live to have crazy prices like that? SCE = Southern California Edison, I'm guessing. |
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The ideal test environment would be as an altchain, seriously. If you are worried about the chain being attacked by overzealous fanatics like Luke, then just create it with Scrypt as the hashing mechanism, since that is a bit more difficult to attack. Then, you would be able to tinker with the reward mechanism however you wanted, and if you came up with something good and useable you could present it to the main devs.
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How does $325 USD + shipping sound for the main board, and $275 USD + shipping for expansions?
Features (Main Board):
-LCD Display
-200 MH/s Hashrate
-Xilinx Spartan-6 XC6SLX150 FPGA
-Standalone Functionality
-More than capable of running ucLinux (2MB Flash, 8MB SDRAM, ARM M4-Cortex MCU)
-Modular Expandability
-Reconfigurable to do as you like, not just BTC mining
-USB and Ethernet interfaces
-Maximum 4 Expansions per Main Board (Firmware Imposed)
Certainly seems competitive, at least compared to the current gen products available. What is the expected power budget, including the additional components? So is it mainboard + 3 addons for a total of 4, or is it + 4 addons for a total of 5? If it is a total of 5, it would be 1Ghash for $1425 + shipping. |
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The key to the OP's question was something that took me a while to find out initially. The answer is that while you currently have a subsidy for solving a block, as you know it will eventually halve into nothingness.
However, just because the subsidy is no longer there, doesn't mean you can't solve more blocks. The solving of a block doesn't necessarily require generation coins to be paid out - indeed, you could claim fewer generated coins than are actually available, if you wished to.
Therefore, you can continue to solve blocks beyond the elimination of the subsidy, and the block solving is still necessary to allow transactions to be processed.
By that time, it is expected that transaction fees will be the norm, and will also be enough to make mining profitable still, which would be the incentive for mining and therefore keeping the network secure.
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I recently introduced someone to Bitcoin and they asked about buying it anonymously. I didn't really have an answer as I can't think of a way to do that effectively. Does anyone know the best (and most reliable) way to buy Bitcoin anonymously?
Try #bitcoin-otc on Freenode, using a moneypak. You can connect to Freenode using Tor with SASL, or through a VPN. |
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Yes, perhaps an expansion card with LCD capability could be arranged, no they are not that expensive. Perhaps I will add a communications port for peripherals that can be purchased seperately on these counts (LCD, SD, etc.) without having to include them in the project and make the whole thing more expensive. I will not, however, impose features on people. It will be barebones, then will have the capability to expand with whatever fancy parts you'd like to have.
Then what would distinguish your proposed system from the X6500, Icarus, or Ztex boards already out there? It seems to me you are just re-inventing the wheel with what you propose. That's great if you can manage to do it for less than they are charging, though I suspect that will not be so easy.  None of the other boards have Ethernet, and only some offer any kind of expansion - not to mention that this one is the first to offer any sort of modular expansion. |
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Good, clear, sane and simple policy. |
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This is how solo miner 88.6.216.9 does it. Sitting there on the chair with no Faraday cage. Like a boss. |
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Delete the FUCKING blockchain and download it again...
Happy now? tell me in a couple days!
+1, I just had to do this and it worked. |
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In the US, I believe it is a requirement for a bank to provide you your funds by cheque if your account is closed or suspended for any reason. Is this not the case here?
so, when the doj freezes your assets, they cut you a cheque to cover it? someone should let kim dotcom know. Were his asset frozen by the government? kim's or andre's? i realise now that you must have meant 'for any reason other than the government'. Andre's. And sorry for not specifying that  I guess it was assumed. |
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So I assume you are posting here because you will accept bitcoins for payment? If you haven't been set up, Bit-pay.com offers a turnkey merchant solution, and MtGox.com has something similar available.
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In the US, I believe it is a requirement for a bank to provide you your funds by cheque if your account is closed or suspended for any reason. Is this not the case here?
so, when the doj freezes your assets, they cut you a cheque to cover it? someone should let kim dotcom know. Were his asset frozen by the government? |
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In the US, I believe it is a requirement for a bank to provide you your funds by cheque if your account is closed or suspended for any reason. Is this not the case here?
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