Bitcoin Forum

Which one do u guys I am looking to try one of them. Also where is a place where I can get bitcoins securely with my debit card other than Virtex.

Thanks Much Help Appreciated

With CEX you can resell your GHS, with PBMINING no. I am running a test of cloud mining solutions here.

https://bitcointalk.org/index.php?topic=539862.40

You can also do scrypt cloud mining, which is likely the most profitable right now. 

Scrypt.cc is the site I use.

PBmining is cheaper per gh/s. ( Current Rate: 0.007 BTC / GHs )
Cex you can resell/trade later on. ( Current Rate: 0.01153994 BTC / GHs )

Yesterday i heard pbmining stopped selling its hashing power.

I have 75 Ghashes on Cex.io. It gives +0.04 BTC per week, it gets ROI for 5-6 months. Also, you can always sell your Ghashes.

Leaning toward cex, mostly because of reliability

also PB mining YOU CAN NOT SELL YOUR GH/S , It's a 5 year contract.. Cex does not have contracts. Meaning you can sell back your gh/s, and PB Mining only pays out once a week (Sundays I believe) cex will payout any time you are over .001 btc

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I lost a bit over the last four months mining at cex, due to their GHs losing value over time. But, I like Cex because you get "dividends" every day you mine there and you can buy and sell your GHs any time. Yes, it's not a good place to keep huge amount of BTC in the form of GHs. The trick is to keep about one GHs and point ALL your mining rigs to their pool, ghash.io. What I do is, convert the merged mined altcoins into GHs and increase your GHs amount. I don't really care for the NameCoins, IXCoins, or DevCoins: when they reach a certain amount, they are converted into BTC and then to GHs.

Clearly with BTC at this USD level, its a ruin to do almost anything over switching the computer on  ;D
I love cloud mining because power costs and Murphy-ridden failures are zero. No burned cards, no misconfigured miners, no DDOsed pools. And that is soooo good.

I DID look into PBMining and decided it was a bit too risky. Their 5-year contract is NOT a good feature for me. First, I don't want to commit to a long-term mining contract and secondly, their track record is too short. We all know your investment of 150 GHs (about 1 BTC) today will be a drop in the ocean in 5 years or less at PBMining, if they last that long.

I do mining myself and also do cloud mining at pbmining and cex too. Running own miners are most economical but you have to deal with any issues yourself and you can't expand rig unlimited but easy to expand on cloud mining.
Only problem is that i am not sure whether cloud mining would ever meet roi...

Please give more details on how you can do this with CEX and you can convert your IXC or DEV into BTC or GH/s ???

Is that site reliable?

Ill give you cashback on your mining if you use cex.io:
https://bitcointalk.org/index.php?topic=557265.0

Geez, netiher.  The fees will kill you. 

Try cloud mining in scrypt. 

what coin does Scrypt.cc  mining ?

They claim to mine most profitable coin by switching different coins but they don't list the coins. Also option for user to choose coin to be updated later but don't know when.

I don't care what coin they mine as long as i get enough profit and so far they mine pretty good.

http://scrypt.cc (http://scrypt.cc?ref=babcr)

It won't even ROI in 5-6 years.

Plus, the maintenance fee they don't advertise on the front page is currently a completely ridiculous 19.68%. And it keeps climbing.
By now, you'll lose ~50-75% of your total investment in 5-6 months - guaranteed. If you call that "ROI" then it's back to math school.
Advice = sell and get outta there ASAP, unless you want to observe your invested net value decrease every month for some reason
(note - I assume you forgot the diff increase that reduce your income every 2016 blocks solved worldwide, roughly every 10-12 days; additionally your contributed shares will create less and less output due to permanent pool hashrate increasing, thus reducing your percentage and reward portion of the pool's total)

PBmining on the other hand could be a ponzi that could blow up any single week, since the calculations don't add up (they'd make serious losses with their longer running contracts). Add to that the bought spammers praising it with no substance whatsoever, you get the picture. Low return (at least it has potential to actually ROI) but High-risk.

Overall, forget mining. Mining is for the suckers, unless you have access to very good deals in high-end gear AND have access to dirt cheap electricity.
Instead, buy BTC at a price you like and be done with it. Saves you from taking lots of risks AND money. And you have the BTC you wanted.
if you have to (i.e. to make the learning experience), absolutely minimize your investment and take that part as a hobby.

Mining = lots of risk exposure over a long period of time, lots of unknown variables, extremely likely to lose you money (translates into taking a 1000mi detour to your destination through a dark wilderness)
Buying = minimum risk, entry point and timing (price) is your choice, done... (translates into taking a 5mi highway segment straight to your destination)

Agree. but I can't help mining myself LOL. maybe just for the hack of risking and also beauty of creating something out of nothing i guess.

It's clear that you don't know how to calculate. People who bought Ghashes 6-7 months ago (including me) already got their ROI and they make profit every second now. In Cex.io you already do your investment with Bitcoins, so "buy BTC with that amount of money" sentence is pointless. Investment are BTC, earnings are BTC, you don't have to follow BTC/USD rate.
Mining is for pros, it is important for network. If nobody mine BTC, system will fail. We keep the system working.

well if you got your ROI and making profit now, I wonder why you only have 75ghash at Cex.io
any comment on this because i am still not sure whether hosting mining is ever worth it or not.

It's clear that you're either a paid shill or don't know jack sh*t about cex cloud mining.
Cex has never ROI at any time in its recent existence, outside of the temporary BTC runup to >1000$.

People who bought Ghashes 6-7 months ago are far more than 70% in the minus of their total investment worth, this has been proven over and over.
The absolutely only way to profit @ cex is successful trading, no exception.

Mining is keeping the network alive for sure, but the only ones doing it really profitably are the hardware manufacturers. The rest gets the breadcrumps in comparison.

Does pbmining even have any availability? 

And CEX continues to drop while BTC difficulty continues to rise. 

I continue to think that scrypt mining is the way to go because it minimizes the difficulty increases.  That said, there aren't so many longstanding scrypt cloud mining so you have to give it a try.  I've grown comfortable with scrypt.cc (link below) . . . it's the best payout and passive income on returns that I've found.  If anyone is beating it . . . please let me know.  Thanks. 

Well for someone that has been into cex.io for now just over 6 months i am one that's not hit roi yet. And now i didn't get into cex to use bots to trade , i use cex to mine btc.

Use blockchain to verify this my cex deposit address:


18SCt6XCchp7UDnxdRDaJUPUUA8qfjdu39   ~ 14 btc sent there

and with my 460 gh/s and if i sell now i would make only less then 5.10 btc

And i have mined probably (guessing) 5 btc worth. so i am still in the whole -5 btc

Reason i did was simple i rather have small amount of  daily  income instead of just selling those 14 btc and have a limited amount of cash laying around always going down due to me spending it.

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WTF people use your brains you think that the scrypt coins not gonna suffer from the oncoming monster asic miners
Are you so blind or did not see knc selling 250 Mhash machines .... what do you think will happen if several hundred of these machines hit the scrypt market...
The others are selling tons of their smaller models as well, but even those will add so much new power that diff will rise soon as fast as it did on sha256 coins

Here's a good comparison video of CEX.io and PBMining.

https://www.youtube.com/watch?v=bEwhFkUm8-I

Friday I started to test with 140 GHs, on CEX.io, I will report back later next week.

there is no really cloud mining at cex.io
if they have 1Th/s mining that can mine 15$/day, there is no reason for them to sell it to get less profit
Members are trade together on it, and give them profit while their mining still make money

Lunamine instead? Cheaper than Cex and they seem more legitimate than PBMining. BTW, PBMining has been great so far. Ponzi? I don't know but I've had no problems so far with PBMIning.


Full disclosure: I have contracts with PBMining and Lunamine. I'm 91% of positive ROI with PBMining on a 1200GHs contract. And I recently bought 2THs from Lunamine and I'm currently promoting them in my sig.

wooha~learn more about this~thumb~ 8)

Just don't go nuts with 1 pick, might want to spread around your money.  Some of the cloud mining or even CEX could be a Ponzi or could just run away with the BTC.  Why don't you try both and see what gives you the better ROI over a month?

I just had another go with Cex. I bought 650 ghz, and then spent 2 hours waiting for a block to be found. By that time, I was in he red, as I had a maintenance fee slapped on me. Block speed improved after that, but with the dropping price per ghz, and the insane maintenance fees popping up, I sold at a loss. It was the right decision. It dropped even further after that, and blocks found were still on the slow side.

I can't see any chance of profit unless BTC goes insane, and is suddenly worth 2k or something. Even then iit would be trivial.

It's easy , Cex.io = loose money and PBMining win money

I'd go with a third option: Zenminer Cloud :)

Don't know much about PB but CEX prices are afaik the highest on the market.

as my experience,
i have some ghs in cex.io, it runs a few months. It won't even ROI in 5 months.
and then pbmining comes up with much cheaper price/ghs. i sold all my ghs in cex.io and bought in pbmining I get the GHS 2-fold.
runs until now. and i don't get ROI too. haha :D
so far i realized cloud mining is not worth.
and prefer to trading or play dice bitcoin like in Dicebitco.in

PBmining is more cheap than CEO.IX, but CEO.IX is more safe than PBmining
but for now i recomended not invest to both of them because the price of bitcoin tends increasing smoothly
thanks ...

Antminer s3 vs cex vs pbmining

Antminer S3, it seems cheapest mining hardware in the world. BUT it is not.

Assuming you will mine with this device for one year. Because after a year, hardware mines nothing because of diff rise.

Lets calculate the how much it costs..

0.68 BTC for 441 GHS.

340 watt for 441 GHS = (0.34kwh/441ghs)*0.15$/kwh*24*365/(550$/BTC) = 0.00183 btc/ghs in one year energy cost with 0.15 $ / kwh

0.68/441 = 0.00154 btc/ghs comes from order
0.00183 btc/ghs comes energy cost

PSU : lets say, 75$ ----> 75$/441/550$/BTC = 0.00020 btc/ghs

TOTAL COST IN ONE YEAR

0.00154 + 0.00183 + 0.00031 = 0.00368 BTC/ghs = 2.02 $ / ghs @ 550$/btc


Cex is double of that..

Some advise for you, just try cloud mining services with has no fee policy. Just like http://pbmining.com (http://pbmining.com?ref=registers) with prices 0.0029 btc/ghs for five years..hardware mining is useless at the moment.

ok. but cex.io charges from your income also 20% for maintance. have you calculated that too? 1 Dollar for 1 GHs sounds good to me...

He is shilling for PBMining which should be assumed is a ponzi unless they can prove otherwise.  They will accept contracts for some time, develop huge amounts of income, and run away.  The miners will be left holding the bag.  Would you even know where to go to sue these guys?  Nobody has even seen their facility.

Cex.io is treats GHs as commodities, so you can buy and sell as you wish. PBMining is a bit cheaper, but you're locked in to the GHs you buy, like a contract. Cex.io also has very good monitoring of GHs as well as payouts whenever you like, while PBMining pays out weekly.

Personally, I prefer Cex, but PBMining looks like it's getting popular.