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3701  Bitcoin / Wallet software / Re: Atomic wallet. Bitcoin sent to a Dogecoin address, how was that possible? on: July 26, 2020, 07:48:42 PM
The Dogecoin address belongs to a website,

I must have missed this part, well, "not your keys , not your bitcoin", I assume even if they were willing to help they would still charge him a certain amount pf fees, some exchanges will do that for a fixed amount like hitbtc charges $100 IIRC, some might ask for a certain percentage, and some will just tell you they can't do it, let's see how it goes for OP.
3702  Bitcoin / Pools / Re: Laurentia Pool - BAD risk for miners on: July 25, 2020, 11:02:24 PM
[...]

True, it's all about luck, I don't think phill is suggesting that Kano could have prevented the bad luck with the last 1000 or so blocks, but if, only if his pool's luck was better recently than earlier that would most likely be more beneficial to the pool, timining from luck perspective is indeed crucial, but it will be labeled under the same concept of luck, and here is an example:

A new guy with 500PH is looking around for the best pool, with all other things being equal, he goes to check the pools' luck, and just so happened that pool x had 96% luck for the latest 1000 blocks while another pool had 104%, since most people including large scale miners don't really understand statistics and probablity they "believe" that future incidents are related to the once in the past, where in reality bitcoin mining is merely "poison " distributed and eventually all pools will have very very close ratio to 100%.

There are other people who understand how "luck" functions, and they assume that a 1000 blocks is a long enough "events" that happened in a long enough "interval" and they would assume that IF the pool's luck is far from 100% then the pool has other major problems like code or connectivity, these conclusions are wrong but many new comers when they see a pool with 96% luck over a period of months, it will scare them away.

Now as far as Laurentia's being bad risk for miners, only time will tell, and for Laurentia's owner, I know that Kano is probably doing all of this because 1- you are a competitor 2- the pool has -CK in it and that does trigger oneway or the other, but with that being said, he did you a great favour by pointing out a few weaknesses which you should work on, get another 3rd party dev to "check" your pool's specs and code, not that I don't trust -CK, but it isn't wise to count on one person's knowledge to carry an operation of such size.

Good luck to both pools Kano and Laurentia.
3703  Bitcoin / Mining support / Re: t17+ 55 th/s problem on: July 25, 2020, 06:48:57 PM
when miner show this temps, what i must do now for solving this problem ?

Code:
Chain#	ASIC#	Frequency	GH/S(RT)	HW	Temp(PCB)	Temp(Chip)	ASIC status
1               44              647        18581.75   707  37-58-34-54     59-80-56-74       oooooooo oooooooo oooooooo oooooooo oooooooo oooo
2               44              636        19065.53   186  36-57-33-52     60-76-56-68       oooooooo oooooooo oooooooo oooooooo oooooooo oooo

Your temps are a bit high but they are not what causing the 0 asic issue, read this thread, there are a few ways you can follow to fix it, the simple once that require no skills and no special tools depend heavily on luck so you just have to try them out.

As for the temp, you could set a static speed of 80-100% and that will fix the temp issues assuming you have proper cooling.
3704  Bitcoin / Pools / Re: Laurentia Pool - BAD risk for miners on: July 25, 2020, 01:31:57 AM
Unless they do the same as my pool - share distribution, not block distribution, then they will be slower...

You DON'T know if they propagate only the share or the whole block, you CAN't tell, you are only assuming that you are the only person on planet earth who knows that distributing a share is faster and more effienct than sending out a whole block, I don't know how the other pools operate, but if I had to take a bet, I bet they know better and that they utilize all aspects to keep their found blocks distribution as fast and effienct as possible, so long story short, your pool isn't proven to be the best, for all I know and since all of those large pools are based in China, they could very well be communcitng within the same LAN and ALL of them have better and faster connections to the other mining nodes (that matter), that of course is an assumption just like the many assumptions you make.

All the way up to the S7, BM did not include the changes I made in the S1,S2,S3 in the public cgminer git into their miner. The miner driver code BM added to cgminer has same glaringly obvious issues. The S9 did make 2 related changes, but not all of them. Yet they have been for a very long time the largest miner producer on the planet Tongue

Another fun fact, F2Pool once posted specifically how they had a better network and they could orphan KanoPool as they liked.
They shut up about that after KanoPool orphaned one of their blocks ...

This doesn't prove that you have a better network, not sure why you bring this up because I know you know very well that oprhan blocks aren't caused only buy a poor node-connecevity.

Odd though, that you'd ignore this comment in this thread ... yet post multiple times before and after it...

I call B.S on that as well, that's a baseless claim just like the many once you make, the only difference is that my guess is that he said that out of frustration because you pissed him off, which I suppose he would, later on, edit it or provide a proof on how is his server "more efficient than any other pool on market", and since we all know he has no proof on that, I suppose he should take that back, or he could of course follow your lead and keep claiming things with zero evidence. Roll Eyes

As people have been posting "Mine On" in the KanoPool thread since 2016...

Which makes me wonder Kano, you kind of had the "pole position" in the mining pool race, and yet you now sit at the very back with a tiny amount of hashrate, a fresh pool like this one which hasn't gone online yet has hashrate commitments of about 70PH, maybe (just maybe) it would be best if you hire someone else who would take care of all things non-techincal, and that starts with interacting with the forum members, I am 100% positive that your attitude is one of the main reasons why your pool isn't attracting enough miners, I mean based on the current hashrate you own, you make about 160$ a month or so, this probably doesn't even pay for the "best" servers you rent, you should really shake things up while you have the chance, and start by droping the attitude. Good luck.
3705  Bitcoin / Mining support / Re: t17+ 55 th/s problem on: July 25, 2020, 12:38:58 AM
Guys where you coming up wit the temp-issue from?? Huh

Kernel log says:

Code:
2020-07-24 07:39:14 driver-btm-api.c:1162:check_asic_number_with_power_on: Chain[0]: find 44 asic, times 0
2020-07-24 07:39:23 driver-btm-api.c:1162:check_asic_number_with_power_on: Chain[1]: find 44 asic, times 0
2020-07-24 07:39:31 driver-btm-api.c:1162:check_asic_number_with_power_on: Chain[2]: find 0 asic, times 0
2020-07-24 07:39:40 driver-btm-api.c:1163:check_asic_number_with_power_on: Chain[2]: find 0 asic, times 1
2020-07-24 07:39:51 driver-btm-api.c:1164:check_asic_number_with_power_on: Chain[2]: find 0 asic, times 2

The second hashboard sees 0 Asics, this is 99% caused by a loose heatsink, the conductivity between one or more of the heatsinks and the chips is bad, bitmain uses a bad thermal adhesive / solder on these gears so everyone who owns a 17 series mining gear should expect these kind of issues.
3706  Bitcoin / Pools / Re: Laurentia Pool - BAD risk for miners on: July 24, 2020, 11:19:21 PM
If instead a block is lost due to network issues like the share never being delivered to the pool, well then there's no way for the pool to handle that, since it never got the share - only the miner could know about that one, assuming cgminer actually reports it.

Then to claim that your pool has never lost a block is not accurate, the proper way of stating this would be "your pool never lost a block that you know of" since the connection between the miner and the pool depends on both the miner's connection and the pool's connection, there is a chance that at the time when a miner submitted a share your sever wasn't listening for many reasons such as bad connectivity which resulted in a packet loss of some kind, and that person didn't happen to check his miner's status page, he could have rebooted the miner a while later, and proof of a block went missing forever, "when it's techinally possible, it can happen, it could have happened".

So related specifically to this item - my pool's worldwide node distribution is relevant to that - miners have nodes close to them...

Most pools have worldwide node distribution, so this isn't Kano pool's exulsive feature. Roll Eyes

... thus it distributes the blocks around the world faster than any other pool...

Do you have access to the code and servers of every mining pool on planet earth? if not then I call bullshit, you don't know how the other pools operate, you are using CKpool which he himself admitted to be running on an inadequate server with a code which he probably hasn't improved forever because he doesn't treat his mining pools as a source of income, and just because your pool is better than CK's you have the nerve to claim without a proof that your pool distributes blocks faster than ALL pools.

While people may say that 'the big pools' must have more resources and a better network:
There are currently 11 KanoPool nodes around the world...

Comparing your servers' specs and connectivity to CKpool and coming up with the conclusion that your pool runs on the BEST servers, and has the BEST connectivity and the BEST code is plain stupid really, the only way for your claims to be real is if they are backed by solid evidence, those include a breakdown of ALL the other pool's servers, connectivity and code, but since most of that is private information nobody in thier right mind will claim thier pool is the best when they can't see what their competitors actually have.

I do know that you are a professional developer, you probably invested all you could afford on the pool's resources, I am not debating that, but I also know that pools which generate millions of dollars in profit, and owned by multi-billion $ companies most likely have and 'can' afford a better code, servers and worldwide connectivity than a pool of your size.

Having said that, I am not against your pool, I have actually told people in this very forum that if they don't have a problem with your terrible attitude they should certainly mine at your pool, I benifit directly by more pools and more competition in the mining industry, so I indeed wish to see your pool grow bigger, but without the b.s of it being the BEST pool. Roll Eyes
3707  Bitcoin / Wallet software / Re: Atomic wallet. Bitcoin sent to a Dogecoin address, how was that possible? on: July 24, 2020, 10:36:04 PM

Sir!! You are a genius  Grin.

I initially figured out the mystery BTC address might come from doge's PK.

Quote
different combination like using Doge's PK to magically generate a BTC address

But obviously I am not smart enough to use the hexadecimal format of the PK, so I used the PK as is and it wasn't a valid PK for BTC so bitaddress.org used the Doge's PK as a passphrase to hash a whole new PK which obviously resulted in new different BTC address, but you nailed it.

I'm impressed! Let me be the first to do the obvious: 1bfed039329a6b0bf00dc36f737400519f7e8d62066388ef93c614f97343b5eb (destination: mikeywith's profile addy).

Hey thanks for sending me my BTC back.  Kiss

Thx for this, don't understand a thing about it, lol, but I have forwarded this to the doges add site. If they would be able to help.

They can't recover the BTC sent to that addy, only you can do it, if you don't know how ask for help, and ingore any PMs from people who tell you they will help you recover your coins, any advice given must come from a trusted person on forum, the process is rather simple you can do it yourself, just follow what HCP did, if things are still unclear, ask here and members including myself will teach you how to do it.

After getting your money back, you should return the money they sent you, at least this is what I would do if I was in your place because no matter how you look it at, it's stealing!, you should inform them and if they decide that you should keep the money they sent for the inconvenience they caused you, then keep it, if they ask you to return it, please do.

3708  Other / Meta / Re: Moderator editing post and reducing image size? on: July 24, 2020, 10:06:36 PM
Honestly, Frody is strict as hell to the point that it piss me off sometimes, but I never complain simply because I know that nobody is perfect, and those annoying stuff that he might do from time to time can't negate the great stuff he does most of the time, so I chose to ingore mosts of them and appreciate the time and efforts he invests in the mining board, I can say without a doubt that the mining board has the lowest amount of spam/off-topics, if you aren't serious and don't chose your words carefully the mining board won't be sutible for you.

I do however, recognize your rights to post images of any size you see fit, 150  is more like the standard in the mining section, it's annoying to have to click the image to see it, but frod seems to want that standard to be applied regadless of how unclear some images might become when reduced to such a size.

Having said that and based on my personal experince, frod is a reasonable guy who would reply your PMs regarding any questions, he edited and deleted a ton of my own posts mostly because I quoted posts which were slightly off-topic or are on topic but contain some off-topic information, I reached out to him many times and most of the time he will reply within a short period of time and explain his actions, you should have sent him a PM when that happened, I am sure the outcome would haven better, he is a friendly dude regadless of the heavy hands he has got. Grin
3709  Other / Meta / Re: Mikeywith Merit Source Application (Bitcoin Mining) on: July 24, 2020, 01:52:54 AM
Hang on a minute, I could really do without this thread being pumped.

I couldn't.  Tongue

Pump.  Cheesy
3710  Bitcoin / Pools / Re: VIP membership on FPPS pools on: July 24, 2020, 01:36:02 AM
I note that most of the big pools offer VIP packages and a better payout rate if you have 10PH or higher...

It isn't actually a higher payout "rate", PPS rates will be same for 1TH vs 10PH, but it's a higher payout "total" as a result of a reduced mining fee which can range between 10% to probably 50% , the largest discount I got from Viabtc was 40% IIRC.

... however they don't indicate how much higher the payout is. Does anybody know?

They don't because =>10PH is a long shot, it could be 100PH or a 1000PH, so they expect you to negotiate with them, you could probably get some discount even before getting to that 10PH mark, most pools are operated by Chinese, they can be negotiated, heck! Binance even negotiated the listing fees and they went to as far as asking "how much could DGB team pay", and speaking of Binance, they now run a fairly large FPPS pool with 2.5% fees, so pools that ask for 4% will most likely give you a discount if you point say 2-4PH, you just got to try your luck and for that I wish you the best of luck.
3711  Bitcoin / Mining support / Alternative to "Black glue" for Miner's heatsinks on: July 24, 2020, 12:28:35 AM
Hey fellow miners.

What would be a good alternative to the "Black glue" that you use to stick the heatsink on the chip, I need to find something locally since shipping from China takes forever, so any links from Amazon or Ebay for me to get the proper specs so that I know what to look for.

So far a friend of mine told me that "Heatsink Plaster Star 922" will do the job just fine, can somebody conifmr/deny?

Thanks.
3712  Local / العربية (Arabic) / Re: Atomic Wallet حسابات دعم وهمية لمحفظة on: July 23, 2020, 10:17:41 PM
طبعا عندما أرسل لي الفورم وفتحته تأكدت تماما أنه سكام وحساب تصيد لأنهم يطلبون منك أن تكتب كلمات سيد 12 الخاصة بمحفظتك، وهذا لا يمكن إعطاؤه لأي شخص مهما كان، خاصة كذلك أنه في الحساب الرسمي للمحفظة على تلغرام قد وضعوا تحذير أن فريقنا لا يقوم بمراسلة أي شخص على الخاص ولا نقوم بطلب أي كلمات سيد أو برايفت كي.

فقط للعلم ال 12 كلمة الخاصة بك لا يعرفها احد حتى اصحاب المحفظة والمصممين نفسهم, تقوم المحفظة بانشاء تلك الكلمات بصورة عشؤائية عند تحميل المحفظة وتتبيتها على جهازك, تستعمل هده الكلمات لاستخراج ال Private keys لكل العنواين لكل العملات الموجودة في المحفظة, يعني مشاركتها اسواء من مشاركة المفتاح الخاص, عند مشاركة المفتاح الخاص لعنوان بتكوين واحد مثلا, كل مايكمن للسارق فعله هوا تحويل المبلغ الموجود في العنوان التي ينشاء من تلك البرافيت كي, اما بمعرفة ال seed فيمكنه استخراج جميع العنواين لجميع العملات وسرقة كل شي في محفظتك لذلك حتى وان طلب منك الموقع الرسمي نفسه مشاركة هده الكلمات لا تقم بذلك ابدا.

مشكور جدا اخ يحى على التنبيه, بالرغم من ان هده الحيل قديمة الا اني واثق انا الكثير لازال يصدقها.
3713  Bitcoin / Pools / Re: [∞ YH] solo.ckpool.org 2% fee solo mining 256 blocks solved! on: July 23, 2020, 08:14:25 PM
I just couldn't imagine someone kitting out a new farm, investing 5 or 6 figures on infrastructure (OP said it will be a bulk purchase) to then install used and obsolete S9's that make pennies.

A single S9 makes abit over $30 a month, and they ROI in less than 2 months (actually just about month), not sure if that is "pennies", anyway since he has free power and doesn't state any limit then it's only wise to utilize that, buying the same gears ast people who pay 4-6 cents and taking a huge risk of a far longer duration to ROI isn't something I would do, what seems to be confusing here is that S9 is 14TH while T17 is 61th, so it makes one thinks that S9 makes a tiny bit of profit but this is a bad way of looking at things, it's not just 14th vs 61th, it's simply

T17+ = 18$ per TH
S9     = 2.14$  per  TH

If he was to invest $16500 he could buy either:

1- 915TH  and needs 46  KW   (T17+)

or

2- 7,700TH and needs 687 KW  (S9)

That is 2200$  VS $18,550 monthly profit, obviosuly to build a 600+ KW farm will cost him more than bulidng 40+ KW farm in terms of infrastructure, but with a monthly profit of $16,300 more with S9s the initial cost of the build will be paid for very shorty.

Obviosuly things will be different if he has a LIMITED power supply of say 10kw then it's not worth buying 8 S9s and he would be better of following your advice, I personally own a small farm that is limited by a certain amount of power and mining with S9s there isn't worth it anymore, so I use much more effienct gears in that place, I also have a 300KVA transformer and a pretty large building somewhere else, i would be stupid if I bought anything but S9s there, but what do I know?  Grin
3714  Bitcoin / Pools / Re: Laurentia Pool - BAD risk for miners on: July 23, 2020, 07:21:02 PM
If it's just about the coding and the back end and connectivity, then without a full review of their code and a complete network and peer map then it's just a guess.

Exactly what I am trying to state here, Kano claims his pool has the best code and connectivity, the only source for these claims are obviously his own words which I for obvious reasons can't trust without an inpedenent review of his claims, he could have lost 10 blocks and all went unnoticed, just like any pool could, so to claim that you never lost a block without providing a proof on how does your code/connectivety prevent this and how do they differ from other well known large pools who can afford to pay the best devs on planet and rent or probably own their own high-end servers.

We know about the last block cksolo pool lost because that person happen to check his miner's best share (mainly due to the fact that he was mining solo) we don't know many blocks in TOTAL did ckpool (non-solo) lose neither do we know about Kano's pool, and since "Absence of evidence is not evidence of absence" we can't tell if Kano lost a few blocks without knowing or actually he knows but never admitted it, it remains a guess, so unless he states a straight forward proof to support his claim, I will still believe that he is simply promoting his mining pool. Roll Eyes
3715  Bitcoin / Pools / Re: Laurentia Pool - BAD risk for miners on: July 23, 2020, 03:15:10 PM
I wouldn't say "NOBODY watches their status" - I track every block I find on any algo and or pool

Ok perhaps that was poor wordings on my side, changed that nobody to almost nobody, you are right, but this doesn't invalidate the point that the motive to watch blocks found on a PPS pool or a very large PPLNS is slim to nothing when compared to mining solo, maybe even "almost nobody" is far from accurate but i am sure you get the point.

Still waiting for Kano to answer my question and show us all on what bases can a mining pool claim they never lost a block when nobody has access to their database, not saying it can't be done, i am simply asking a question and willing to be educated on the subject.
3716  Bitcoin / Pools / Re: Laurentia Pool - BAD risk for miners on: July 23, 2020, 05:17:31 AM
and yet on the multiple occasions that his pools have lost blocks, no one knew except the miner who found the block, that then prompted him to

How can anyone tell if your pool or any other mining pool for that matter actually lost a block and the miner didn't notice it? what if due to a packet loss caused by a server faliture or a connection problem from the pool side caused a loss of a block and went unnoticed, or even worse what if the pool lost a block due to the exact reasons CK pool lost some blocks?

I am not attacking your pool or anything else, I know CK could have prevented the last block if he had the right resources, I am not making excuses for him, actually running a solo pool is the best test since almost EVERYONE looks at their miner's status, but when mining on a pool especially if it's a PPS and in the grand scheme of things almost NOBODY watches their status simply because finding a block won't make them earn an extra penny, so really, how can someone (doesn't have to be you) claim that their pool never lost a block? based on what?


You also know: That we don't work on the technicals for the pool. That -ck refuses to interact with you.

I am probably the one who likes Kano the least here, but the concerns he has should be answered, if -ck refuses to answer them, then it's your duty as the pool owner to answer these questions and deny Kano's accusations, if the software your pool uses is the same one that lost a few blocks due to what Kano claims to be "lack of testing" then why would miners trust your pool? if -ck has has already fixed those issues (assuming there are issues aside from the inadequate server resources he had) then him or you should state that, if -ck now runs a different version from the one on github then that should be also stated, if Kano is making stuff up because of the personal issues between him and -ck then -ck should at least deny the allegations either by posting here personally or through you as the pool owner/manager.

Feel free to ignore my oppinion since i am not one of your clients, I have zero issues with -ck in fact I do like him, but when it comes to being honest when giving unbiased oppinion, Kano's terrible attitude doesn't get in the way of my judgment.
3717  Local / العربية (Arabic) / Re: ثغرة في محفظة Atomic wallet on: July 23, 2020, 04:38:18 AM
قرات المقال ويبدو ان صاحب المفحظة قد تم تعويضه بنصف القيمة التي خسرها, من وجهة نظري هدا التعويض عادل, بغض النظر عن هدا الخطاء الفادح في البرمجة الا ان الخطاء من الاساس يقع على عاتق المستخدم, فكل ماهو متعلق بالكريبتو يعتمد اساسا على حس مسئولية المستخدم, ومهما كانت البرمجة مثالية يمكن الوقوع في هده الاخطاء وقد حدث معي ذلك في الماضي عند استقبال لايتكوين على محفظة بتكوين  وهدا كان خطائي وحدي وليس خطاء المحفظة.

عنواين Nested SegWit P2SH الخاصة بالبتكوين والتي تبدا ب الرقم 3 هي نفس عناوين SegWit P2SH الخاصة بالايتكوين, ففي هده الحالة تكون المحفظة مجبرة على قبول التحويل وقد تم التحويل فعلا, وكان هدا مقابل كوبونات بتماين قمت ببيعها لشخص ما وبدلا من ارسال عنوان لايت كوين قمت بارسال عنوان بتكوين وكانت هده العنواين صادرة عن محفظة Coinomi ولكن لاني كنت احتفط ب Mnemonic Seed قامو باعطائي رابط لاداة  BIP39 tool وقمت باستخراج ال Private key واستعادة الايت كوين.

الملخص, يجب عليك التأكد من العنوان على الاقل 5 مرات قبل الارسال.

شكرا للاخ Omega على نقل هدا الموضوع الشيق, حاولت ايضا استخلاص نتيجة من اين اتو بعنوان البتكوين ذلك بدون جدوة, حاولت استخراج عنوان بتكوين من البرافيت كي لعنوان doge ولكن بدون فائدة.

3718  Bitcoin / Wallet software / Re: Atomic wallet. Bitcoin sent to a Dogecoin address, how was that possible? on: July 23, 2020, 03:41:57 AM
Do you have your original seed?
I am wondering if you use something like the bip39 recovery tool:https://iancoleman.io/bip39/

You might be able to find the private key for address that wound up with the funds.
Just a thought, no idea if it will work. If I had more time this AM I would test myself.

-Dave

Here is a test wallet, I sent some BTC , then sent it to a Doge address, it went through just like how OP explained, there is 0 relationship between the address Atomic wallet sends btc to and the seed, I tried all different combination like using Doge's PK to magically generate a BTC address, nothing worked, the address they send to is pretty strange


12-word BIP39

Code:
warfare thrive wing behind tired muscle outside uniform swim edge matrix wolf

Doge Address which BTC was sent to:

Code:
D95aC8TEQrbCRWqFVhYHzSj17uB7s8yd74

Doge's PK

Code:
QRw8xX9VAw67f9db8hqbN4EAWrj3Cwu1jZHDgoR6hg2nKBaKc7gD

BTC addresss Atomic (magically) sent to

Code:
14wUesWb7SgutWeem7YjSgZQEmSpUWKPm1

My atomic BTC addy (m/44'/0'/0'/0/0)

Code:
15m149RV3JicusAUs4Koeg5TUboPvnroY3

BTC addy PK:

Code:
L4nrgmSr8ZDjtfbhJbX8xo2cUN7hEaPwGnTLnbHNDEfKbk5aw5CH

3719  Bitcoin / Mining / Re: Bitcoin Mining Pool distribution on: July 23, 2020, 01:18:06 AM
Do we know what pools exactly are owned by Bitmain? I tried to find that information but I only found some rumors and not proven facts.

Facts:

Bitmain owns:

-Antpool and BTC.com

Quote
By 2018 it had become the world's largest designer of application-specific integrated circuit (ASIC) chips for bitcoin mining.[2] The company also operates BTC.com and Antpool...

Source: https://en.wikipedia.org/wiki/Bitmain

Bitmain openly admits ownership of both pools.

- Bitmain invested 2.9M dollars with Viabtc

Source: https://www.crunchbase.com/funding_round/viabtc-series-a--58443cc6#section-overview

Viabtc also happened to launch BCH fork which is oneway or the other Bitmain's coin, it's pretty safe to assume that Bitmain has the final say in Viabtc, I learned these information recently, and I stopped mining at Viabtc despite the fact that it is indeed a solid pool. I sadly went back to viabtc after a short while of testing many other pools, nothing was half as good, i will indeed leave viabtc for good once another good pool is found.

Rumors:

Poolin is owned by a Bitmain's former employees, conspiracy theories suggest that bitmain still has control over them, however, they are actually fighting in court over Poolin mining pool, so it's unlikely that the co-founders of Poolin are "controlled" by Bitmain anymore.
3720  Bitcoin / Mining / Re: My first mining project / mini-farm on: July 23, 2020, 12:42:24 AM
On a VERY hot day, and just once so far, the Whatsminers threw up some error codes for PSU protection, and when you look up the error code in documentation it says "check operating temperatures" or something like that, but they never cut out and the errors just disappeared when it got cooler.

Fans are pretty cheap, and since you have free power then you wouldn't worry much about the tiny amount of power they will consume running on higher RPM, so during summer time you might want to increase the fan-speed keep them static at say 90-100%, this is what I do to go through hot summer days, remember that you have some of the lowest quality gears (17 series) those have a very bad solder paste and high temps will eventually and easily break them, it's great to have gears of such size but the downside is that if you happen to lose a board then that's a lot of hashrate gone with the wind.

here are links to boards  I  don't know sellers other then usa lowes...

... 'Recticel insulation board' / 'Europhane board' / 'Europhane' / 'insulation board' / 'PIR board' / 'Polyisocyanurate board' (those are the search terms I'd try).

Thanks a lot for the information guys, I think I now have a better understanding about these insulation boards, I will try to source them locally.
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