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Questions tagged [asic]

"Application-Specific Integrated Circuit" - An integrated circuit (chip) specifically designed for one task only. Similar to FPGAs, ASICs may be the low-power-consumption future of Bitcoin mining. As with FPGAs they are very power efficient but carry a comparatively higher up-front cost.

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55
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2answers
68k views

In the ASIC-age, is it worth starting mining Bitcoin at home?

I have recently learned about Bitcoin and would like to get rich quickly into mining. I have control of a laptop library full of ancient computers powerful gaming PC cluster of GPUs an old ASIC, I ...
33
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5answers
11k views

Bitcoin Mining ASICs used for cryptographic application? Rainbow tables?

What is the potential that the ASICs being developed for mining could be used for other cryptographic applications such as building rainbow tables? I know that for instance those that crack GSM with ...
31
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6answers
123k views

Do these new ASIC miners really pay for themselves in 5 days?

The Bitforce 50GH/s miner costs $2,500 today, and according to the following calculation it would mine enough coins in about 5 days to pay for itself. I am sure I am missing something here. Why would ...
27
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5answers
31k views

Is Butterfly Labs reputable / Should I preorder the SC Jalepeno? [closed]

I'm somewhat new to the mining scene but I'm a bit familiar with everything. I see that GPU mining will become much less cost effective over the next year or so, especially around December when the ...
24
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2answers
6k views

How does AsicBoost work?

The AsicBoost paper by Timo Hanke and Sergio Demian Lerner describes a way of increasing ASIC performance by 20%. It's a bit sparse on the details, though. What are they optimizing?
20
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2answers
28k views

What does it mean for a cryptocurrency to be ASIC-resistant?

I guess the question I'm asking here is what does it take for an altcoin to be ASIC-resistant? What does it need to have?
19
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2answers
14k views

What's the difference between an ASIC and an FPGA? Which is better for mining?

I'm a software guy with only the most basic of hardware training/knowledge so while I understand the basic concepts of ASICs and FPGAs the details are beyond me. What are the primary differences and, ...
14
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5answers
131k views

Is it worthy to use “bitcoin usb block erupter”

I was searching for Mining hardware on internet and found that a new technology is available known as "bitcoin usb block erupter" for mining bitcoins as 300MH/S I just want to know if it is useful to ...
14
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3answers
26k views

What are ASIC miners actually doing?

I'm trying to understand Bitcoin mining (software-wise), and I wonder how ASIC miners are different? I'm going through this minimal Bitcoin miner Github repository. Which part of Program.cs are ASICs ...
13
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4answers
6k views

What is more effective than ASIC mining?

Considering that mining progressed from CPU, to GPU, to FPGA, and now ASIC mining... have we finally hit the end of the road for technological advancement? What future optimizations can occur after ...
12
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4answers
5k views

Why are companies selling mining hardware instead of using it themselves?

I'm not (yet) using Bitcoin, and I'm just approaching this world as of now. I stumbled upon some merchants that sell mining hardware (with some GH/s). But I've yet to understand what they gain, apart ...
12
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6answers
1k views

Why do the creators of ASICs not just keep them for themselves?

If ASICs are able to mine BC so fast, why are the creators of these machines even selling them? If they just created them to mine with them themselves, they could get so many BC and in turn make BC ...
10
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1answer
565 views

Is there time-to-failure data available for any of the BFL products?

Butterfly Labs (BFL) is offering a few mining products which look to be based on some sort of FPGA or ASIC but I can't find any reliable data on what parts they're using or their manufacturing ...
9
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2answers
3k views

Why do leading ASICs manufacturers sell their chips? [duplicate]

I understand that some people have access to cheaper electricity than others. However why not just open mining facilities in the parts of the world offering the lowest cost structure? If that is not ...
9
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2answers
13k views

Can ASIC or FPGA boards be used to mine Litecoin?

I know that Litecoin was designed to be mined with a CPU but then someone figured out how to mine it with a GPU. Has anyone figure out how to mine Litecoin with an ASIC or FPGA boards, and if not is ...
8
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4answers
36k views

Where can we buy shares of ASICMiner

ASICminer did decide to keep the hardware and mine. They're selling shares with intent to payout the dividends from whatever profit is made. Okay, so we got three players. ASICminer. Avalon. And ...
8
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1answer
1k views

Can ASICS Merge-Mine?

Can ASICS in general, and specifically any of the models coming out soon merge-mine other cryptocurrencies?
7
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4answers
4k views

Now that my GPU mining rig will be made obsolete, where to turn?

With the return from GPU mining likely to be affected by ASICs, where can miners turn their machines? Should I become a pro gamer? Join a rendering farm for cash (do they exist?) and let Disney use my ...
7
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3answers
10k views

What does “ASIC” mean?

I stumbled on the terms "ASIC" and " ASIC Miner", what do they mean? Is this something related to special hardware?
7
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1answer
8k views

Are Bitcoin ASICs good for anything else other than mining? [duplicate]

If I purchase an ASIC (hypothetically) and then for whatever reason Bitcoin disappears, becomes defunct or otherwise, is there anything else I could possibly use it for, such as SHA256 cracking - or ...
7
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1answer
977 views

When did the ASIC mining era begin?

I am trying to figure out when the ASIC mining era began. A Bitcoin magazine article from January 23rd 2013 announces the imminent arrival of the first batch of Avalon miners in early February. Is ...
6
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2answers
9k views

Are there any attempts at creating ASIC for bitcoin mining?

I take reference to the Question here which compares ASIC with FPGA. In this question someone quotes a company called Largecoin that is said to be at the development of such an ASIC. However their web ...
6
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2answers
888 views

What portion of the mining process does an ASIC perform?

If ASICs were described as a black box, what would their inputs be? Obviously, the actual hashing, the churning of the SHA-256 function is performed by the ASIC. Also, they must of course be able to ...
6
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2answers
4k views

How will the Bitcoin network look after BFL ASIC hardware shipments?

There have been over 7000 pre-orders of BFL SC series mining machines, with the cheapest one supposedly running at 3.5 GH/s and the most expensive being 1000GH/s thats a lot of hashes about to be ...
5
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1answer
2k views

How does Segwit prevent ASICBOOST?

I know that ASIC BOOST exploits the fact that the blockheaders are not a multiple of 64 bytes, but what is the change in Segwit that prevents this? Are they always a multiple of 64 bytes now for ...
5
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2answers
14k views

How to select minimum difficulty when mining with Slush Pool

I am mining on a single Antminer S9 with Slush Pool. There is a setting called "minimum difficulty": When I read their manual, item #8 states The pool automatically assigns difficulty that ...
5
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2answers
2k views

Open source ASIC design plans in Hardware Description Language (HDL) format?

Are there any freely-available ("open source") ASIC design plans in, e.g., HDL or AHDL format(s)?
5
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6answers
27k views

Self assembling of hardware for bitcoin mining

Are there any guides or material available for helping us build dedicated ASIC hardware for bitcoin mining .
5
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1answer
833 views

What can be done with old (unprofitable) ASICs? [duplicate]

GPUs used for bitcoin mining have many other purposes and can generally be sold after they are no longer mining enough Bitcoin to meet variable (electricity, etc) costs. What uses do old ASICs have ...
5
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2answers
273 views

Are Bitcoin ASICs Optimized for Fixed Length Messages?

Bitcoin block headers are 80 bytes. int32_t nVersion; // 4 bytes uint256 hashPrevBlock; // 32 bytes uint256 hashMerkleRoot; // 32 bytes uint32_t nTime; // 4 bytes uint32_t nBits; ...
5
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3answers
714 views

Is bitcoin-gold more ASIC-resistant than Litecoin?

Bitcoin Gold's main point for existence has claimed to be ASIC-resistant in order to have mining power more distributed. But wasn't this tried already with Litecoin via Scrypt mining algorithm? I've ...
4
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3answers
49k views

5 GH/s Bitcoin Miner from Butterfly Labs can mine Litecoin?

I was wondering buy this ASIC miner of 5GH/s to mine Litecoin. I want know, can I mine Litecoin with this powerful tool? If not, there any ASIC miner's that can mine Litecoin?
4
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2answers
3k views

What's a better investment? Buying an ASIC-based mining rig, or buying bitcoin itself?

Seems like some miners are saying they would have made more money by simply buying and holding Bitcoin, rather than mining it. Is that likely to be the case going forward? I know I'm asking for ...
4
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2answers
3k views

Which coins can butterfly-labs miners mine

Can I use a butterfly-labs miner to mine any crypto-currency?
4
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2answers
5k views

Which ASIC Bitcoin Miner gets you best bang for you buck as of today? [closed]

I'm thinking of purchasing an ASIC miner, but I'm not sure which one to go with as there seem to be multiple options. When they mention 20-60Gh/s, I'm not sure how many bitcoins can that mine in a ...
4
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4answers
3k views

When will FPGAs and ASICs 'replace' GPUs for mining?

Please explain in detail, or provide an an estimate, at least.
4
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2answers
5k views

Is Vertcoin really ASIC resistant?

Vertcoin comes with Adaptive-N-factor, which means the scrypt algorithm PBKDF parameter N will be changed according to the announced time table. Litecoin has N=10, while Vertcoin starts with N=11. And ...
4
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6answers
9k views

Using ASIC for password cracking - mad concept?

All ASIC for Bitcoin do a double SHA256 hash on an arbitrary string. But maybe they might be used for pen testing :-) Lets assume we have single SHA256 hash we want to crack. We also have an ASIC ...
4
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3answers
1k views

What other purposes can I use my [obsolete] hashing hardware for?

It's pretty easy to reuse CPUs or Video cards that were previously used for Bitcoin hashing, but what can I do with FPGA hardware when the difficulty becomes too high for it to be worthwhile to mine? ...
4
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1answer
885 views

What is the difference between Gridseed ASIC and Scrypt ASIC

If you mine in wemineltc pool you have probably noticed that there are two different stratum server for ASIC miners here are the urls So my question is that what is the difference between an ...
4
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2answers
617 views

Could an algorithm be made ASIC-resistant by simply adding deterministic permutations depending on the hash of the previous block and the nonce?

I was thinking of permuting bits in a block before it is hashed, in order to require some adaptability from the mining hardware while retaining the security of SHA-256. Permutations would depend on ...
3
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2answers
1k views

Reusability of ASIC miners

I'm looking into the re-use of ASIC miners to perform other mathematical tasks; for example, the sum of a prime and a random number producing a massive (arbitrarily long) integral value i.e. sum(...
3
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1answer
3k views

BFGMINER error while loading shared libraries

I just installed BFGMINER on my Ubuntu 12.04LTS laptop and it won't let me set it up with my pool. administrator@T41-Server:~$ sudo bfgminer -o api.bitcoin.cz:8332 -u wizardmorax.ibm_ubuntu -px -S ...
3
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2answers
2k views

Why is SHA3 less conducive to ASIC?

Bitcoins are encrypted with SHA-256, and Ethereum is encrypted with SHA3. Why can miners for SHA-256 encryption guess hashes in the TH/s when miners for the SHA3 encryption can only hash in the MH/s? ...
3
votes
1answer
955 views

Why are there different mining hardware for different hashing algorithms?

I have a question about mining hardware and hashing algorithms. Why are there different types of mining hardware for different hashing algorithms? Why can't we use an Antminer ASIC for Ethereum or ...
3
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2answers
1k views

Can ASIC miners easily be used to guess brainwallet passphrases?

After reading the Bitcoin wiki page for brainwallets it seems to me that mining equipment can be used to brute force brainwallet passphrases. Is this correct? "...so hackers can collectively try ...
3
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1answer
2k views

Where can I find a full list of all Bitcoin mining hardware ever used?

I want to know where I can find a full list of Bitcoin mining hardware. I don't want a list of the most profitable hardware, I just want a list with the greatest number of Bitcoin miners (don't care ...
3
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3answers
4k views

Bitcoin erupters not stable on Ubuntu and cgminer 3.3?

I setup p2pool on my ubuntu 12.04LTS x64 machine. Installed cgminer 3.3 and ran it. the newest cgminer is supposed to support the USB mode with the erupters without any extra configuration. I have ...
3
votes
1answer
875 views

Using a Bitcoin or Litecoin miner for attacking PBKDF2 / SHA-256 [duplicate]

I'm wondering if it would be possible to utilize a Bitcoin or Litecoin miner to attack, say, a password database that uses PKBDF2 with HMAC / SHA-256. PBKDF2 uses multiple iterations of a PRF - ...
3
votes
1answer
425 views

ASIC resistant PoW mechanism that generates new hash functions. How does that work?

From Vitalik Buterin's post regarding "On Mining", he mentions: The second approach is somewhat different: create a mechanism for generating new hash functions, and make the space of functions ...