Questions tagged [scrypt]

Alternative Proof-of-Work function employed by Cryptocurrencies such as e.g. Litecoin and Dogecoin.

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Mining Bitcoin with scrypt, what will happen.. i

What will happen if we mine bitcoin with scrypt algorithm... I tried with it by connecting to a bitcoin pool, with cgminer and it shows new block detected messages.. And what will happen if, I mine ...
7 votes
3 answers
11k views

Full example data for scrypt Stratum-client [closed]

I'm trying to write a Mining client for Scrypt-based mining using Stratum Communication. As of now, I have some trouble verifying all my bit orders and sequences. Hashes I'm generating get always ...
1 vote
0 answers
54 views

security of the mining algorithms litecoin vs bitcoin - scrypt vs sha256?

how is the cryptanalysis' current state on both sha256 and litecoin's scrypt? is litecoin's scrypt on a security level like sha256? by security i simply mean ways to "break"/"de-cipher" the hash ...
0 votes
1 answer
231 views

How to build a p2sh who's scriptsig contains a Signature

I have created a P2SH address, funded it, and am attempting to move the funds with a TX. The redeemScript for the TX requires the TX signature (OP_CHECKSIGVERIFY), but in order to create this ...
3 votes
1 answer
1k views

What is the fastest way of litecoin mining?

I have searched whole the Internet but it looks like that there isn't any fast way of mining litecoin. Most powerful CPUs just mine about 200 Kh/s and the most powerful GPUs mine around 900 Kh/s. ...
1 vote
0 answers
73 views

Mining block are not accepted if BIP related values changed to 0 or 1

I am creating own alt from LiteCoin source. So I have changed hashGenesisBlock , hashMerkleRoot , nonce , timestamp etc.Things are working fine if i don't make BIP34Height , BIP65Height , BIP66Height &...
0 votes
1 answer
185 views

Altcoin: Send/receive transactions between nodes have high failure rate

I've noticed that an unusually high number of my attempted send transactions between my nodes (which is currently only 6 at most, but never less than 4) will not broadcast regardless of the amount of ...
5 votes
1 answer
842 views

How does scrypt pow work?

Bitcoin's pow is sha256, the hash of header is taken and check against a given target to see whether it is smaller than the target, this can be easy seen as block hash starts with zeros. But how does ...
0 votes
1 answer
566 views

Can the Antminer S3 mine Bitcoin using Scrypt algorithm?

Because I can use my PC to mine Bitcoin using the Scrypt algorithm. I use NiceHash. They have an option to select which algorithm we want to use. So I was wondering, once I get my Antminer S3, is it ...
0 votes
1 answer
735 views

Difference between scrypt and sha-256 mining?

So in detail my question is: are both these two algorithms different from each other?. I read somewhere that this two algorithm is used for the different cryptocurrency. if that's true. then why? ...
1 vote
0 answers
101 views

How to monitor hash rate over time to diagnose issues

Running a Scrypt mining rig using GPUs. Want to know if there's a way to monitor your hash rate over time. Pool stats arent that reliable from what I understand. CG Watcher, does a decent job, but ...
2 votes
1 answer
613 views

Are received BTCs really mine?

when somebody send me BTCs I recognize that by seeing a transaction output is equal to my address. But how can I be sure that it's really me and only me who can spend the output? I can check, I can ...
2 votes
0 answers
238 views

Help in understanding block header input data for scrypt

I am an computer engineering student trying to understand how the Litecoin scrypt algorithm works. I downloaded the Github cp-uminer. Can someone give me some examples what the input data look like ...
1 vote
2 answers
1k views

How is the "N" in PPLNS chosen? 2xDiff appears to make no sense - OR - Why are Scrypt share difficulties off by a factor of 65536?

while my example in the following question is using the altcoin "Bitconnect", I believe it is actually a general question which fits here - if not, let me know. I am struggling to understand PPLNS (I ...
1 vote
1 answer
2k views

How to make a CryptoCurrency (preferably using Scrypt) in depth [closed]

I'm looking for a proper guide to creating a CryptoCurrency. I know this probably won't be easy, but I'm really determined, and do know how to code in some languages. (C++ Beginner). I've heard a ...
4 votes
1 answer
7k views

How to setup a DNS Seeds node and a Seed Node (for Litecoin clone)

I'm doing this for study purposes (creating a Litecoin clone). I read somewhere that for SCRYPT clones, the DNS Seeds nodes aren't necessary? If I do need them, how to I setup these nodes. I know a ...
2 votes
2 answers
5k views

How is Scrypt ASIC-resistant?

I just started reading about Litecoin's Scrypt algorithm and all the explanations are quite complex. I have understood that Scrypt uses more memory than Bitcoin's SHA-256 which makes it ASIC-resistant ...
3 votes
0 answers
412 views

Scrypt CPU miner supporting segregated witness (for Litecoin testnet4) [closed]

I am interested in CPU mining on the Litecoin testnet (testnet4); the difficulty level is currently low enough to make this feasible. The standard Litecoin client no longer supports CPU mining. The ...
0 votes
1 answer
86 views

A2 Terminator Fan Replacement

I am after a couple of fans for my A2 as the bearings have gone. From what i can see and have measured, they are a uncommon size at 105/106mm. Is this correct? Any suggestions on replacements? ...
4 votes
2 answers
1k views

Is equihash/scrypt suitable for pooled mining?

A "sequential memory-hard" PoW scheme cannot be parallelized effectively thus I imagine you also can't distribute solving the puzzle between participants in a pool? How does that work with scrypt then ...
-1 votes
1 answer
4k views

Very poor cgminer result on EC2 GPU with litecoin

I have started to test mining litecoin on amazon for the fun of it . I used this link to start going, so I use cgminer. every thing went pretty fine, just that I had to use cgminer 3.0.1 to aligned ...
1 vote
1 answer
3k views

litecoin mining very slow

I recently heard about litecoin and thought it would be a good alternative of bitcoin as it is "faster" with less requirement. however, I noticed that any attempt to mine litecoins is significantly ...
1 vote
1 answer
22k views

How to work out my hardware's hashrate power

Using my existing hardware, I want to work out which altcoin is still profitable to mine. I have found this link: http://dustcoin.com/mining But don't know which values to enter into the boxes at ...
0 votes
1 answer
376 views

Same setup different hash rate

I have one computer with windows 8.1 13.11 driver and a 280x which gets 720KHS and another computer with the same setup which gets 620KHS. They have a different cpu ram and psu (both have quality ...
1 vote
1 answer
5k views

Is my cgminer (scrypt) working / Mining on middlecoin pool

I'm trying to mine on the middlecoin pool using the following command: cgminer --scrypt -o stratum+tcp://middlecoin.com:3333 -u 1C7Ubg5VxvJyXYBT6neNVFgUVdgq1Kiy72 -p asdf and I do get the screen ...
1 vote
3 answers
1k views

Is difficult hashing algorithm necessary?

To avoid GPU/ASIC mining, difficult hashing functions, such as scrypt and scrypt-jane, are proposed as PoW algorithm (However, GPU and ASIC are also suitable for basic scrypt operation). Is it good ...
1 vote
1 answer
444 views

CPU bottleneck and Scrypt mining?

Im planing to set up a small energy efficient mining rig, im planing to use a low power CPU/MOBO bundle, this is my favorite: Biostar A68I-350 (with 1 DIMM DDR3 4Gb) It takes only 18W TDP and has one ...
-1 votes
1 answer
628 views

0 accepted out of 460? Will my shares be accepted eventually?

I just started mining on Slush Pool using Macminer with a CPU. I am getting a hashrate of 12.28kH/s with the Scrypt hash algorithm, which I guess is not a big rate at all. I am wondering about the ...
-1 votes
1 answer
1k views

Configure CPU Scrypt miner

I've decided to give 42coin a shot with CPU mining but the CPU miner that I've found doesn't specify how to configure it. It DOES give you the parameters though. I'm not sure if I should add a .bat ...
1 vote
2 answers
3k views

For maximum mining performance, is it better to minimize latency from the mining rigs to the p2pool server, or from the p2pool server to the Internet?

I'm setting up a p2pool server to mine Scrypt-based coins on. Mostly just for myself, but occasionally some friends will jump in. I'll mostly be mining newer coins with very low difficulties. I'm ...
2 votes
1 answer
455 views

Litecoin miner crash with no apparent reason

I have a machine with 1 R9 X280 running on Intensity 13. It ran for 2 weeks with no problems, and now it's been crashing every day, or even up to 4-5 times a day. (Crashing as in rebooting with no ...
2 votes
3 answers
2k views

Scrypt (Litecoin) memory / performance tradeoff

For Litecoin, if memory size is increased in processing the Scrypt algorithm, for example to 384 kB instead of 128 kB (and assuming likewise an L2 cache size of 384 kB), would the typical CPU ...
3 votes
1 answer
4k views

What are the most popular CPU/GPU miners with scrypt-jane support

There are a few github projects, but it doesn't look as though there's a 'mainstream' option with good support for varying protocol. Is there any one most popular?
4 votes
1 answer
2k views

Why GPU (cgminer) scrypt mining generates so many false-positive nonces?

I understand that GPU might have less accurate results of real numbers because speed/performance is the target. But I don't understand why it also occurred in integer numbers. Taking mining algorithm,...
5 votes
1 answer
710 views

Does CPU mining become efficient as memory requirements increase?

I am focusing on an anti scrypt coin called Vertcoin which increases it's N-factor at a set interval. On their main page on bitcointalk it states that CPU computation will make gains as N-factor (...
1 vote
0 answers
180 views

Splitting hashpower over multiple pools

Is it possible to split the mining hashpower of a rented mining rig over multiple pools simultaneously? Say, I rent a scrypt mining power of 5 Mh/s. What I want to do is point that rig to a stratum ...
2 votes
2 answers
2k views

scrypt mining rig suggestions

i went to configmyrig.com and selected the options to hit something close to 5mh. here is a screenshot: http://s28.postimg.org/uayj19exp/Screen_Shot_2014_01_09_at_11_21_58_PM.png i'll be scrypt ...
1 vote
3 answers
6k views

Litecoin mining hardware

Does readily available hardware exist which is capable of at least 25MH/s for litecoin mining? So basically, I am after hardware which can mine scrypt type coins which can do at least 25MH/s.
3 votes
1 answer
5k views

How much does system RAM matter for Litecoin mining?

I know your system RAM cannot be smaller than your GPU RAM for LTC mining, but other than that, is it a problem if you have like only 2GB of RAM?
4 votes
1 answer
19k views

most profitable scrypt mining machine per dollar with unlimited budget and free power?

I know The 7950 is the most efficient in (MH/s)/$/watt... but I have contractual access to unlimited free power. I'm already using the power anyway so the marginal cost of the power is actually zero. ...
4 votes
3 answers
50k 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?
2 votes
2 answers
1k views

Butterfly Jalapeño for Dogecoin? [duplicate]

Can a Butterfly Jalapeño be used to mine dogecoin? If so, is it cost effective, compared to it's bitcoin mining cost effectiveness?
0 votes
1 answer
1k views

Besides mining Bitcoin what is another good use for an Antminer S1?

Are there any other SHA-256 coins out there that are worth mining? Also, would I be able to mine scrypt-based coins?
1 vote
3 answers
3k views

5gpu 2psu scrypt mining rig shuts down 1hour later [closed]

I built the following rig: 5x SAPPHIRE TRI-X R9 280X 3GB GDDR5 OC (UEFI) 1x AeroCool Templarius Imperator 1150W 80 Plus Gold 1x HighPower Tech 1200w Gold Plus (HP-1200-G14C-GOLD) 1x Gigabyte GA-...
4 votes
3 answers
6k views

Litecoin mining 10 times slower than a couple of days ago

I have a 5850, and have been mining with it for about a week. With GuiMiner I can mine bitcoins at about 275Mhash/s. This has not changed. A couple of days ago I setup Litecoin mining and it was ...
-1 votes
2 answers
1k views

Is it possible to mine Litecoin with a MacBook?

I have a MacBook and was told that I can't mine Litecoin with ASIC erupters. So, am I out of the loop with this whole new litecoins ordeal? If so, can anything be done using my MacBook? I can get my ...
8 votes
3 answers
31k views

Litecoin - Is better use a good CPU or good GPU?

I heard in some forums that mining Litecoin is better using a good CPU (Processor), different from Bitcoin that's better mine using a good GPU (Videoboard). I want know, this is true? For litecoin, ...
2 votes
1 answer
631 views

What is the benchmark that mining ASICs are measured with to determine the hash rates?

When a mining ASIC claims to run at 1 MH/s or 10/MH/s or even 1000 GH/s, at what difficulty and with what algorithm is that measured against?
1 vote
1 answer
2k views

Is there a reliable and accurate profitability calculator?

I've looked at the various profitably calculator sites and honestly I'm not sure how up to date they are. They don't seem very accurate. Is there one that's better than the others?
1 vote
1 answer
3k views

Most important spec to look for on a GPU for scrypt mining (e.g. Litecoin)

By taking a look at all the current AMD cards comparison: http://en.wikipedia.org/w/index.php?title=Comparison_of_AMD_graphics_processing_units I was wondering if GFLOPS would be the best way to ...