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3861  Bitcoin / Mining speculation / Re: how much do you pay for electricity? on: March 29, 2019, 05:07:57 PM
I would at least pick up 1 or 2 machines and mine away on btc.  Most people are hampered with electricity costs and if you can get away with it go for it.  I know people that have been successfully mining in Venezuela but they stay under the radar and don't get too greedy.

And i also know people getting busted for going over, and others getting extorted in spite of doing everything correctly, so yeah, not a good example country... I cringe when i see people insinuate bitcoin is "legal" here, but knowing the weight of the world "legal" in a country where law matters little, doesn't exactly matters. Besides, that "law" itself is not legal, but that would be a large and rather boring off-topic discussion.
3862  Bitcoin / Electrum / Re: Electrum Brain Wallet ? on: March 29, 2019, 05:02:52 PM
Write them by hand into a piece of paper, make sure to make another copy by hand, store them in two physically separate but secure places.
If place A burns down, there is your backup in place B. The words can be cleverly disguised with a longer list, be creative but don't forget how to undo the trick later lol.

Memory alone? Too dangerous.
3863  Other / Off-topic / Re: How to avoid problems on: March 29, 2019, 04:55:50 PM
I often cause problems, Very personal nervous.
I can not control my feelings.
Do you have any solutions to avoid problems?

Exercise. Find some sport you like and make it routine. Even walking or jogging works, but i like cycling the most.
3864  Bitcoin / Mining speculation / Re: how much do you pay for electricity? on: March 29, 2019, 04:47:01 PM
Guys, I am not stealing from the streets, it is just that my electricity measurement tool is dead so i can control it and they never can tell me to change it because it has a warranty and the gov itself never changes it so I am sure.
So basically I got a stable 2$-3$ bill.
What im saying is how can I maximum get benefits from that + I sill have another apartment with nearly dump tool, so I am good but I need to get yhe miners tho

Even so you still have a limit, you have to inspect the transformers and stay below 80%. If it blows up not only will you get attention (and stay a long period without service) you might even get imprisoned. I remember here people would add magnets and such to manipulate these old analogic meters (which are still widely in use), even tho the rate is the cheapest worldwide. But a lot of people are simply unmetered. Water is the same situation.

Yours might be broken, but they might notice anyway if you over do it. Take advice and find out whats your max rated capacity by looking at your transformer, and look how much amps you are currently using with all your ACs and appliances on, such as clothes dryer, laundry machine at the rinse (spinning) cycle, etc. More so if this is a multi home setup.

"Maximum" benefit is simply buy the latest miner. Bitmain announced S17, MicroBT announced M20, and Cannan announced A10. You can wait for the forum reviewers to show the actual numbers.

But if you don't care, you can buy a cheap used S9 for like 150 USD and recover the costs in two or three months, only after that you will be earning, but consider by 3 months all those new efficient miners would have increased the worldwide hashrate lowering your income even more, so that's the drawback of buying old miners (aside from the previous owner abuse).
3865  Bitcoin / Hardware / Re: Avalon A10 series announced on: March 29, 2019, 04:35:35 PM


Don't you think they added the (minimum 50W/T) inside their ad for a reason? Perhaps they already tested it and could not get any better efficiency from them? 50W/T is pretty good in my opinion. Bitmain's S17 is probably 45ish but they claim 35... Only a third party review can tell.
3866  Bitcoin / Hardware / Re: Bitmain introduces the Antminer S17 Pro, Antminer S17, and the Antminer T17 on: March 29, 2019, 03:32:25 PM
Hmm, so If specs are true. S15 and T15 buyers are fucked up again. Huge different on same 7nm chip. I hope Bitmain will release some good firmware for S15/T15 which will increase performance.

At some point something better than the S17 will come and the cycle repeats again. S15, S11, S9, S7. Everytime a new generation comes, this story repeats. More surprising is you didn't expect this after so many years of the same. You could go back to the days of CPU mining, then GPU mining, FPGAs, the first ASICs, etc.

More importantly at these rates we are talking 32 watt/th the S17 (7nm)... vs 47 watt/th the M20 (12nm) or 60 watt/th for the S15 (7nm) vs 70 watt/th the M10(16nm). Also take into consideration that Bitmain specs are probably better than reality, we will have to wait for an actual review from members of this forum.

MicroBT is still at 12nm, they could probably still make something even better at 7nm. Frankly if the S11 and S15 are 7nm parts, they are quite disappointing, considering a 16nm chip nearly matched them. Maybe they planned to finance the refinement by selling those low yield units first, or maybe there is an S19 lurking around the corner, how to know?
3867  Economy / Economics / Re: Bitcoin on WhatsApp Coming on: March 29, 2019, 02:53:09 PM
Wuabit is a cryptocurrency wallet accessible via a chat interface in WhatsApp. The developers describe it as 'software agent' powered by specialised AI. Users simply type in commands like 'send 0.05BTC to Vera' and Wuabit will send the cash. By using a service as popular as WhatsApp, Wuabit hope to propel crypto payments further into the mainstream.

“We are near completing the wallet core service starting with BTC.

“By using WhatsApp/SMS/Telegram you can access that wallet easily.

The public beta is due to start next month.

Access your wallet from whatsapp? How about, i don't know, using a proper wallet instead? All i see here is adding more vectors for thieves to get your funds. So this is a type of online wallet but rather than using a browser you use an IM client... Hmm no thanks. And don't get me started on SMS.
3868  Bitcoin / Bitcoin Discussion / Re: Bitcoin Revival is On The Way - According to a trader on: March 29, 2019, 02:47:38 PM
I think a lot of Gold traders also see the threat of investing into something where a centralized authority holds they key to your wealth. This is not the same with Bitcoin, when you invest in Bitcoin, you hold the key. <The Private key>

They also realized over the years that Gold cartels are manipulating the Gold price too and many people believe that the actual Gold that should be stored in some vault, might not be there anymore. <Example : Fort Knox>

And there is this scheme where they take out a portion of the gold inside a ingot and replace it with a cheaper metal that weights almost the same, covering any traces with actual gold. How are you going to inspect each and every ingot bar? You'd need to melt them and mint them again.

Also, someone will find gold in an asteroid someday... Gold is a nice metal, but way overpriced. Rust-less metal things like a fence as opposed to useless rings or jewelry, for example. Anyone living near the sea could use it in many more useful ways if it wasn't so darn expensive.

Before Europe "discovered" the Americas, South America actually had more gold than iron. Guess which one was considered more valuable? But their view of the world was limited to their lands, how were they going to know that worldwide gold was the scarce one. Of course most was pillaged and taken to Europe, made into useless jewelry or boring ingots to be "stored" and never seen by anyone ever again...
3869  Bitcoin / Mining / Re: My "mini" mining farms , set up + wiring on: March 29, 2019, 01:34:30 PM
I don't , they don't produce enough heat for me to worry about. as long as the heat that comes from the miners is taken care of, psus should not be on the list of problems.

I have seen many people simply let the exhaust of the PSU go inside the miner, that extra warm even helps lower humidity a little.
3870  Bitcoin / Mining speculation / Re: how much do you pay for electricity? on: March 29, 2019, 12:41:25 PM
It is 100% unwatched, I got 2ACs , 3 TVs and so and i still pay the same per month for 3 years 😁
So for now what I am thinking of is taking a loan or making someone use that perk of paying no electricity and giving me an advantage.

Consider each Asic miner like an extra AC so you will now have 4, 5, 6 ACs... You know, that will eventually trip something down the line assuming your wiring inside can take the load and the transformer on the street, did you check that? You should, as that gives you a max capacity. You mustn't use more than 80% of that transformer. Specially critical if you happen to be "sharing" it with others.

Just because its "free", does not mean you are magically immune to physics. My country has the cheapest electricity in the world, i know and have seen nasty things done to the electricity poles and transformers, thousands steal it. Yes, this ultra subsidized cheap electricity is stolen by many poor neighborhoods. And yes, i have seen transformers blow up, specially lately with the blackouts. Its pretty awesome to look at night, but not so pretty spending days in darkness right after that.
3871  Bitcoin / Hardware / Re: (Review/Guide) Antminer S15 27.0 Th/s, 1600 W Bitcoin (SHA-256) ASIC miner on: March 29, 2019, 12:32:20 PM
i also notice no exhaust fans - I will have to come up with something on the 3d printer so I can hook these to my exhaust ducts

Just don't neglect the airflow around the miner, it is important. Ducts should not be directly attached to the miner in my opinion, but to a box where the miner resides inside instead.
3872  Bitcoin / Mining support / Re: Antminer ducting on: March 29, 2019, 12:06:17 PM

Please do not commit this mistake. IF you are going to use a box, do NOT attach the ducts directly to the fans. You can attach them to the box, but leave the miner and PSU free inside, you specially do not want to do what that picture shows. Airflow must ALSO go around the miner, otherwise you will burn the controller. You have been warned.


This adapter is not needed at all. If you follow my advise, you don't have to worry about such thing. You can simply make two 6" holes to the box on each side instead and attach insulated ducts to those, no adapters.

Wood and insulating fabric works very well:



Notice the ducts are not attached directly to the fans, this is important, airflow must also go around the miner, not only inside the Asic boards.

Think something like this:

3873  Bitcoin / Bitcoin Discussion / Re: Cryptocurrency and banking apps targeted by new Android malware on: March 29, 2019, 11:56:24 AM
Of course anyone who will act dumb deserves to get scammed as this will help them to keep them aware of future scams and keep them safe. Downloading random stuffs from an unknown third party source is always risky and no one should actually do this. These all are just basic common sense.
And if you are using online wallets like coinbase, then please stop using those wallets. You are prone to getting scammed/hacked!

This is the same as the other phishing scams, such as that fake Electrum wallet that too many forum members fell for, people dumb enough to lose half or even a million dollars by doing the most ridiculous thing: Trusting a rogue download link. And as long as the world has such dumb people around, so will phishers exist. I mean, How many here are still using windows with their wallets? No wonder this still happens.

Too lazy to use Linux, too lazy to make a paper (cold) wallet, too lazy verify a download link, too lazy to check a program signature or cryptosum, too lazy to put large funds into the cold wallet and only keep the spare change in the hot one, etc.
3874  Bitcoin / Mining speculation / Re: What are the current best mining containers? on: March 29, 2019, 01:14:23 AM
mining containers are over priced IMO, have you tried looking into other options like building your own room in a warehouse or something like that?

Or get an old container and mod it yourself? I have seen people building homes with them in Youtube... Of course, you could actually put the containers inside a warehouse...
3875  Bitcoin / Mining speculation / Re: how much do you pay for electricity? on: March 29, 2019, 01:10:21 AM
Hello guys, I live in Africa, and I pay like 2$ stable electricity bills every month *Maybe not so legal but it is permanent since the measurement tool is dead*
so I wanted to know if i used that to mine BTC will it be like more profitable or it will be useless since electricity aint a big deal?

Make a big enough a load and they will come for you. Sure 1 miner or 2 probably won't catch attention (unless your neighbors complain for noise if you don't put it inside a sound insulating box or such), but start getting greedy and they'll go there, meter or not.

We pay about the same amount here with a miner running (its cents without it), and its not illegal at all. And yet, some people got in trouble... That was before becoming unstable due to non-technical reasons (leave a national grid unattended long enough and things tend to go pop).

Try to get the newest model you can, a single S17 would consume the same as an S9, yet would make 4 times more money.
3876  Other / Off-topic / Re: Do you use "real computers", not just smartphones? on: March 28, 2019, 11:23:32 PM
Do you use sites on your smartphone which are not mobile friendly?
and / or
Do you use "real computers", not just smartphones?

Yes. Smartphones are too small, and typing on flat surface sucks. I like a large enough screen, and a proper keyboard...
3877  Other / Politics & Society / Re: SpaceX and the prospects of Mars colonization. on: March 28, 2019, 09:47:32 PM
No, they really are not serious. Neither the governments or SpaceX.

For example there is a predicted large asteroid impact in 2104 that can be prevented. But the application of kinetic energy to this threat in 2020 can be done with three orders of magnitude less energy than later in the century.

Is the 2020 opportunity going to be used? Nope.

What is the name for this asteroid? Any relevant links?
3878  Other / Politics & Society / Re: Venezuela on: March 28, 2019, 04:26:08 PM
Of course, they blamed the opposition and the US, because... yeah, who cares, its never their fault... But no one believes them.

Wonder if its also America's fault that the Petro websites are now offline:

RIP El Petro
I feel bad for these people, they got suckered in to buying paper certificates representing Petro holdings a couple weeks before its death:


Completely their fault for centralizing it, since "socialists" don't believe in the freedom of a free market. They say that's how capitalists keep "exploiting the masses", therefore in their infinite wisdom the only solution they can think of from letting people decide for themselves where to work or buy, and for how much; is to "command" the whole thing entirely (planned economy, fixed prices, fixed exchange, etc), since... people can't ever play nice to each other by themselves and have to be, "guided/educated" (coerced) into...

But don't worry, I think that Petro site might come back up, its probably down due to the frequent blackouts. Doesn't mean people will ever see their money back, you can write in the history book of crypto-currencies that even a Goverment made an ICO scam.

To guess their rhetoric, yes, the Petro is site is currently down because USA "attacked" the national electric grid...

Also their lack of skills is not limited to electricity, IT is seriously lacking, most of their systems are outdated, unlicensed and even cracked crapware that any script kiddie can take down at any point (and have done for years), but since corruption is the number one driving force, there was always someone benefiting from dubious sales of both equipment and licenses, at outrageous prices paid by Venezuelan's oil/tax money, and no one can do or say anything about it because... A) They don't care, or B) You are an imperialist for daring pointing an obvious flaw or C) Since you know so much you must be involved therefore go to prison. In this country people can land in prison for posting the wrong tweet, go figure...

Petro came from Dash, but the few nodes that exist belong to the gov, no software code was ever released (infringing their own laws), there are also no wallets beyond the only online wallet in that specific site. So if that site goes down, so does the Petro.
3879  Other / Politics & Society / Re: Venezuela on: March 27, 2019, 06:12:49 PM
Another national blackout two days this time. Internal information revealed they overloaded the hydro by improper manipulation of this delicate very high voltage system, which they "switched to manual" after claiming a "cyber attack" last week... This time it resulted in transformers catching fire. In case you somehow manage to read their propaganda, they claim "imperialist sabotage", lets ignore the fact the place has been placed under heavy military control even further after the March 7th event...

Of course, they blamed the opposition and the US, because... yeah, who cares, its never their fault... But no one believes them.
3880  Bitcoin / Mining software (miners) / Re: Braiins OS: open-source mining firmware [S9, T1]. New release includes AsicBoost on: March 25, 2019, 11:30:15 PM
This time there are not many more details, but here it goes in case something was missed:

   [feature] temperature limits are now configurable via configuration file. The two new configuration options are: --fan-temp-hot and --fan-temp-dangerous. These options effectively override the temp limits in temp-def.h

This part of the documentation is in error, in case anyone needed to use those options they actually are:

fan-dangerous-temp and fan-hot-temp.

Quote from: JAKUB HORAK
yes, that's the correct format (... "fan-dangerous-temp":"90", ...)
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