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0
votes
0answers
34 views

How to determine a break even point and how many coins one can mine?

If I had a Block Erupter 49 Port USB Hub and started filling it with AntMiner U2 USB miners, how do I figure out how many coins I can mine versus the expense of the hardware? (lets forget about ...
0
votes
0answers
20 views

How The Ideal Reserve “branch reconciliation” “in less than 400 ms”? [closed]

Here says After having launched bootstrap Clearinghouses on all major continents, they are fully reconciling transfers in less than 400 ms with competition and 200 ms without. "Reconciliation" ...
1
vote
1answer
65 views

What does UpdateTip mean?

Example the debug log: 2014-06-27 12:59:10 UpdateTip: new best=00000000000000002a03b175f183c3bbc440f5c2a171e958bfd504582f711f70 height=308004 log2_work=79.405055 tx=41447698 date=2014-06-27 ...
0
votes
3answers
2k views

How fast does a processor have to be to mine bitcoins

I have a MacBook Air running 10.7(Lion) with an Intel Core i5 processor I want to try to mine bitcoins for fun. I understand that I alone will probably not be able to get any bitcoins from mining so ...
0
votes
2answers
63 views

Receive bitcoin before block downloading is finished [duplicate]

here's the story: I've downloaded Bitcoin v0.8.5-beta and bought myself some bitcoins before the block downloading was finished. Now the downloading is still not finished (3 days and counting): 250k ...
2
votes
1answer
138 views

Is declining number of peers (hosts) threatening the network?

I found out here that the number of total network hosts basically went down to 1/3 during the last year. Does this mean the network is less secure because fewer people run it despite the total hashing ...
3
votes
2answers
4k views

Why did my Coinbase transaction take 4.5 hours to get in a block?

Why did this transaction take so long to be put in a block? I initiated a 7 BTC transfer at 6:13 PM Eastern Time from Coinbase to an external address in an over the counter transaction today. It was ...
-1
votes
1answer
167 views

What modification of the proof of work algorithm will speed up confirmations as the network hashrate increases? [duplicate]

From my observations of the BitCoin network, the increase in overall network hashrate does not seem to improve the network in any way other than to make an attack more difficult. I was wondering ...
4
votes
1answer
1k views

Sudden Drop in Hash Rate GeForce 650 GPU Card

I'm running on a 15" Retina MBP and have just been playing around with mining on it a little bit. I realize GPU mining is almost dead at the moment, but bear with me. Overnight last night I was ...
5
votes
1answer
252 views

Understanding speed vs. fees on various wallets, esp. Instawallet and original client

The Bitcoin Wiki don't say much about fees, more precisely if you have a choice between speed vs. fees (pay more, deliver faster). In fact, I don't yet even have a clue how fast are bitcoin ...
2
votes
2answers
469 views

Over-reporting miner?

I'm running the puddinpop rpcminer-opencl.exe that came with Guiminer. I'm running it with crazy settings -gpugrid=128 -gputhreads=256 -aggression=14 on a FirePro 2270 workstation card, and it's ...
10
votes
1answer
1k views

Why does merely having Windows Media Player open double my GPU hashrate?

I'm using poclbm to mine under Windows... processor is an AMD A6-3400M with integrated Radeon HD 6250G GPU. When Windows Media Player is closed, I get a rate of 16 megahashes/second, but when it is ...
6
votes
1answer
393 views

How do mining pools figure out the hashing speed of the connected miners?

How do mining pools figure out the hashing speed of the miners connected to it?
5
votes
2answers
564 views

Miner speed conversion

What is the exact ratio one would use to convert Miner speed from Hashes per second to Shares per second, assuming Difficulty 1 shares?
5
votes
2answers
2k views

How fast is the Bitcoin (mining) network?

How fast is the Bitcoin mining network compared to other distributed computing networks? ;)