Depreciated. Rooting your phone will destroy warranty and safety of your phone.
-MZ
my phone's warranty isn't voided by rooting actually they support it lol and about the safety you can install firewall and whitelist the apps which you want allow to access internet and blacklist all others apps. Unfortunately, most warranty are voided once you do any modifications to it. Always read the terms and condition of the servicing center first, some of them do void warranty if you get your phone rooted. They have the rights to void the warranty. |
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I see a serious risk that someone with money could try to "clogg" the blockchain. It would take a network of maybe 1,000 computers, bots, each making one smallish transaction every second. All transactions fees would be fully paid, but that would slow every other normal transaction.
Nodes have rules which prohibits them from relaying spam transaction. Your transaction would not get any confirmations and will not slow down other's transaction. |
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i heard btcjam have invest option.. you can check it out  That's just like in the lending subsection where lots of scam often happen. Even though they claim to verify information, they will accept fake IDs so that place is infested with scammers and also, the support isn't good. |
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I also use Mycelium, I think is pretty good and intuitive.
Could some one explain me how to back up?
Thanks!
download titanium backup(your phone must be rooted) to backup your app+data and then if you like upload it on gdrive for extra backup. Why so complicated? Mycelium have an option to backup, go to menu and you will find an option to backup. Clouds are unsafe as they can be easily hacked with a password. |
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Bitcoin is the first cryptocurrency that ever existed. All the alt coins are basically a cheap copy of Bitcoin with poor developers and community. Bitcoin has lots of professional developers and receives the most media attention out of all the coins out there.
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Thanks so much for the info. What are the chances I would select a private key that is already in use or that someone has access to but looks not do because it's empty?
It seems when self selecting a private key one could be playing the lottery for free and stumble on a key someone else had btc on. Up until I learned this I thought Bitcoin was more secure than I do now. It still seems pretty secure none the less. But there is a chance less than winning the power ball ten times in a row that you get someone else's wallet.
That is pretty much impossible. If you try to bruteforce a single private key, it would take the energy of the sun and would still take a few thousand years. There are approximately 2^160 keys to brute force. If you own 100 datacenter, that would still take a thousand years with a hefty electrical fee. |
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Hey there, I would like to invest into bitcoin, any good website to earn good money/btc ?
I see no advantage in cloud mining. The best you can do is buy BTC with low price and sell with high price. hashnest S5 is still OK to invest you should try Hashnest SEEMS to be trusted right now, they may just run away in the future. Hashnest is still quite in the unprofitable range, did you factor in the possible difficulty increase and maintainence fees? When you add these together, it would most probably be not profitable. |
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Really glad to see so many people starting to run nodes in so many different places. We sure need them!
Yeah , and I'am actually the only one who is running one on my country , at least this is what that website says  (I run more then one) ~ Madness Most websites aren't 100% accurate since some nodes may already have hit their max connection and is unable to connect to more. Also, sync is dependant not only on internet but also on I/O speed and CPU speed. |
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I got a question, forget about dust.
Let us suppose , i use a single blockchain wallet for all of my transations(not dust) but since there are so many of them over time , so in future will it have the same problem as this dust ? i.e. high transaction fee and less output?
Yes, large TX sizes are associated with high amount of inputs/outputs. A good idea is to combine coins every few transactions and send them to another wallet without fees. You can spend them in chunks in the future without incurring large amount of fees. Didn't really got the sending it w/o fee part  You can set custom fees. If you aren't in need of the funds immediately, for every 2 deposit, send the BTC to another wallet without fees, thus it would minimize the amount of input needed for one transaction. |
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Most of people use Mycelium for Android , it's pretty nice and simple to use also you can buy and sell Bitcoins
not sure if it's available on Google play because last time I heard it got removed .
~ Madness
It's added back in when the devs email Google, was pretty much a misunderstanding. Even if it's unavailable on Google play, you can still get it by installing the apk. |
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I got a question, forget about dust.
Let us suppose , i use a single blockchain wallet for all of my transations(not dust) but since there are so many of them over time , so in future will it have the same problem as this dust ? i.e. high transaction fee and less output?
Yes, large TX sizes are associated with high amount of inputs/outputs. A good idea is to combine coins every few transactions and send them to another wallet without fees. You can spend them in chunks in the future without incurring large amount of fees. |
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Hi For my opinion i tried genesis-cloud mining. but as time passed i conduct a research regarding on bitcoin investment. im highly recommended this site to you . https://bitc1.biz/?ref=zacki900 you can check if you wanted to. if you have a big budget for investment try their plans . it will give the best profit. Im scared of trying those sites. but i after i check it and make a deposit i can clearly say that im getting my ROI back with in 25 days so goodluck with that. A Brand New Member telling about a Cloud-mining site with ROI in just 25 daysI better join it fast so i can get my ROI *Sighs hey even im new in this site. I'm reading forums i already tried cloud mining that genesis mining i said a while a go is not a ponzi or a scam. you can have your ROI if your has rate will be 5TH/s right?? so i joined in genesis mining this october 2014. Not really, and also, ROI is dependant on price per GH and electrical fees/management fees. IF another cloud mining service cost 0.0001BTC/GH and your cloudmining service cost 0.002BTC/GH, the one with lesser price would have a better chance to ROI. if you want to earn profit from you investment then stay away from ponzi or cloud mining sites
and if you want to loose money then invest in ponzi or cloud mining site
Not all cloudmining sites are ponzis. True, but cloud mining would not be profitable at all even if they are legit. If it can really profit, why don't the owners mine it for themselves and profit more? So basically it's impossible to mine unless you own farms of antminers these days. You can mine with a CPU but you will not generate a profit. |
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if you want to earn profit from you investment then stay away from ponzi or cloud mining sites
and if you want to loose money then invest in ponzi or cloud mining site
Not all cloudmining sites are ponzis. True, but cloud mining would not be profitable at all even if they are legit. If it can really profit, why don't the owners mine it for themselves and profit more? Good question . Well Cloud Mining is a long term investement , Let's say you paid 50$ and you got 0.1 BTC . You will say it's not profitable which is correct. But if you wait some years , that 0.1 BTC (23$ now) may turn to (100$ later) . Of course if you didn't pay using BTC in the first place otherwise it's like you did nothing . ~ Madness You are bound to lose some BTC on maintenance fees. It would have been much more profitable and less hassle if you believe that will happen and buy Bitcoins directly. |
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With sufficient resources, a government could manage a long range/history attack. Suppose a government gathered twice the current mining power, but did not apply it to the network. Instead they could start at some early point in Bitcoin's history (even the genesis block) and within a year or so (since those first years had much lower difficulty than now) they would have a block chain with more cumulative difficulty than the "real" block chain. This would be virtually impossible to accomplish today, it may have been feasible in 2011-2012 though. We could look at the numbers to get an idea for how feasible a history attack would be. The highest hash rate so far has been approximately 350,000 TH/s. An ASIC miner at the moment is capable of approximately 1 TH/s ( https://bitmaintech.com/product.htm). It takes minimal cost to fabricate an ASIC. (The main costs are in the design work, and this has already been done. Even if it's proprietary, this does not prevent a government from using it.) A reasonable estimate would be only a few million dollars to fabricate a million ASICS giving a hashing rate of 1,000,000 TH/s. (Of course, then there is the cost of running them, but large governments have easy access to both large-scale energy resources and very cold climates.) How long would it take for an agent with 1,000,000 TH/s of hashing power to catch up with the difficulty of the current block chain? Charts for the total cumulative number of hashes are here: http://bitcoin.sipa.be/Assuming the charts are correct, the total cumulative number of hashes up to now is approximately 1e25. 1,000,000 TH/s means the attacker could try 1e18 hashes each second, requiring 10 million seconds to catch up. That's approximately 116 days. Of course, at that point they would be 116 days behind still (as the "real" chain continued), but as long as they maintained at least double the current public hash rate they would completely catch up within another 58 days. I do not expect this to happen, but mainly because governments will likely find ways to accommodate Bitcoin. However the attack does seem to be feasible. I think you got a wrong idea about 51% attack. 51% attack is about solving blocks faster than others thus being able to reverse own transaction, prevent others from generating any BTC and preventing others from having confirmations in their transaction. To have 51% of the network, you need to have at least (319,019,636gh/s divide by 2) of hashrate. |
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First withdrawal with Bitcoins are always subjected to a delay of at least 48hours for manual review.
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Sometimes, transactions with no confirmations that are relayed well over the network can be effective enough to prevent doublespending. For safety reasons, 3-6 confirmations are usually required by exchanges dealing with high volumes. You may want to implement bitpay to simplify things.
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This allows trusted individuals to make offline transactions, so business can be done even without an Internet connection.HOW You can ask another person to sign a transaction and give the data to you. When you have the internet, you can then broadcast it. This process is extremely complicated and a lot of trust is needed. The person can just broadcast another signed transaction to another address before you broadcast it. |
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Trust system can be inaccurate at times, do not rely on them. Always check the related reference and trade history. Also, don't trust members just because their ranks are higher.
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there are many websites offering this service but the op do ont want to pay any fee for it There is no such thing as no fee for Bitcoin and PayPal exchange due to the risk. OP wants a exchange with better rates than virwox. |
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Block chain download needs to be shrunk down and only have say at least 1 years of active transactions and then to be archived into another system where your wallet can access it by typing a command in and then calling to download archived transactions this way it would reduce the active size of the chain as it does not need to have such a large amount of data to download 20Gb and counting how many people wanting to download that on to their system. I dont think many like this and why they use places liek blockchain.info but poses more of a risk that way online wallet.
Hmm, it's more like 35GB (aha! just read above, oops) I purchased my first 100GB + HDD probably a decade or more ago? Bandwidth, well, I guess it depends on your location, but generally all these cable and DSL providers are all about downstream and give jack shit for upstream, at least in the US. Blockchain download would only use download bandwidth, correct me if I'm wrong. It will use upload speed only if you set it to relay transactions and block. |
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