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1
vote
1answer
17 views

Any advantages in terms of our location & East-West timing differences for self mining on a 100 th/s btc rig

I do live in india.. I believe that bitcoin mining rig owners are very lessaound us ..I read some where that we will be able to mine more bitcoins while the west or far-east sleeps..
2
votes
1answer
94 views

Bitcoin Performance: What does Hashes/Second Mean?

Computing preimages (nonces) that satisfy a hash output with known property (minimum number of prefixed zeroes) is the foundation of bit-coin mining and block-chain validation. For this purpose, all ...
4
votes
1answer
208 views

Fastest cryptocurrency

What cryptocurrency is the fastest in terms of reaching 100% transaction confirmation? I've found sites like this that show that Fastcoin is the fastest at 48 seconds. I think David Schwartz said ...
0
votes
2answers
218 views

Difference in hashrate between two GPUs

I am a gamer who simply uses his rig to mine when idle. A year ago I was getting 0.5 Ghs using a Radeon HD7970 3072MB 384bit OC Boost, then due to a technical issue I stopped mining for a few months ...
0
votes
1answer
31 views

Can I sign and redeem many outputs at the same time? (shrink the size of a tx Input)

I'm looking at this transaction that is redeeming many historical outputs from the same address. When I look at the blockchain, it seems pretty clear there is redundancy here of the public key being ...
2
votes
3answers
562 views

Can I use one graphics card for games and one for Bitcoin mining, without losing performance?

I have a GTX660 right now, but I bought an R9 290x recently. I was wondering if I can leave both in my pc and use one (the GTX660) for Bitcoin mining and one (the R9 290x) for everything else (mostly ...
0
votes
1answer
46 views

How would an Auditor (“m”) of BIP32 audit the keys generated by the master?

Suppose an auditor needs to review all the incoming Tx for a given wallet... or many wallets. What are the logical steps the Auditor needs to do? Do they need to pre-generate a list of all possible ...
0
votes
2answers
70 views

Will the performance of calculating the balance for an address degrade over time?

If balances are calculated on the fly by offsetting all the transactions flowing in and out of a public address, will this degrade the performance of calculating such balances in years to come, i.e. ...
0
votes
1answer
55 views

What parts of Bitcoin (litecoin etc) are Little Endian?

As mentioned on this Hardfork Wishlist, many developers want Bitcoin to be entirely Big Endian for consistency and performance reasons. I'm looking for a concise list of all the areas that Bitcoin ...
1
vote
0answers
95 views

CGMiner settings so that Photoshop usage isn't slow

Currently I have two settings for CGMiner, using a Radeon 6850 for home usage. One for casual work, and one for night-time (light and heavy). However, even at the casual settings Photoshop is very ...
1
vote
2answers
169 views

Block confirmation speed

Based upon any standard you think relevant, how quickly are current blocks being verified for rule-following such as correct balance tallies, true transactions, correct rewards & fees? Is this an ...
8
votes
2answers
489 views

Can the BitCoin network be used for cracking?

I'm assuming that the BitCoin economy is rapidly building a computing cluster capable of unprecedented amount of hash searching. Would it be possible for an attacker to leverage this to crack other ...
1
vote
3answers
763 views

How to increase the speed of synchronisation?

What ways are there to increase the speed of synchronisation of the network, assuming the use of the main Bitcoin client?
4
votes
2answers
237 views

How much time it takes to verify a Bitcoin signature in the Satoshi client?

Assuming: An average modern computer Using a single thread, as the current Satoshi client does Using the OpenSSL library, as the Satoshi Bitcoin client does The signature is not in the signature ...
2
votes
1answer
774 views

How do I optimize my usage of oclvanitygen?

I'd like to extract the most performance possible from oclvanitygen. Can anyone tell me what the best practices are with this tool? Examples may include: Use operating system X, or video card Y ...
1
vote
1answer
199 views

At the 95% mark for hours

My Bitcoin app (the latest OS X client) is downloading the chain. It has been at the 95% mark for many hours now. It's progressing, but very slowly. Is this normal? I would think so, because this is ...
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 ...
4
votes
1answer
752 views

Why is bitcoind so slow on VPSs?

Sometimes it takes bitcoind more than a minute to respond to basic RPC calls such as getbalance (and on average, it takes at least 5 seconds), even though the "STAT" according to the Linux 'ps' ...
5
votes
4answers
2k views

Why does Bitcoin make my computer lag/freeze?

Whenever I run bitcoin, my computer (Dell E4200 running Ubuntu 12.04, with AwesomeWM) lags quite heavily. It will operate normally for 10-15 seconds, then 'freeze' for 10 to 15 seconds, during which ...
9
votes
4answers
17k views

How many MB of data does my bitcoin client have to download to be fully sync'd?

Buest guess/calculation? Transferred some bitcoins to my new wallet after generating an address. This was this morning, and have had my bitcoin wallet syncing all afternoon (5 hours), so far it has ...
7
votes
2answers
16k views

How to quickly check your mining speed?

Is there some website that provides some webminer or other way for a person to check their mining speed without actually joining any pool or doing solo mining? Alternatively, are there some miners ...
11
votes
2answers
988 views

Mining pool performance optimization

What are the main components one should focus on when trying to maximize a mining pool's performance? Assuming the code is pretty optimal (there aren't any inefficiencies), what should a pool owner ...
5
votes
2answers
216 views

Uptime and other service performance levels

Other payment networks have scheduled maintenance periods as well as unscheduled outages but Bitcoin's network, being decentralized, can have varying service levels depending on: which versions of ...
36
votes
5answers
22k views

Can I download the whole block chain from somewhere?

Every time I turn on the Bitcoin client it takes days to catch up with the block chain. Are there alternatives to getting it trickling through the peer-to-peer network? Can I just download it ...