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Probably centralized database, right? Any hack or your misuse and you can trick people to pay to wrong address. I dont see this service much popular, and except donations and user deposit address, most services use new address for every new transaction/customer.
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Bitcoin will never reach the mainstream.
It is like saying in 90s Internet never reach the mainstream. Internet uses maybe about half of the world population. So one can argue Internet is not mainstream yet. |
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PoW coins are slowing going out of fashion it seems.
All the new coins are PoS based and some are doing quite well.
This naturally makes sense, PoW alts can't properly secure itself anymore because of either Scrypt Asics, botnets, or simply not having the hashing power of Bitcoin. I expect many PoW alts to start failing and continue decreasing in market share because of this. Look how litecoin just recently lost number 2 in market cap -- http://coinmarketcap.com/ The exception to this are coins that depend upon the security of bitcoin blockchain like coloredcoins , counter-party, mastercoin, and namecoin. There's nothing to stop a well funded and determined attacker to attack Bitcoin's PoW network in the same fashion, it's still only cost 10% of Bitcoin marketcap to attack. That's extremely cheap compared to buying 51% stake in a PoS eco-system. In all IPOs, you should assume the worst case - 51% stake in a PoS exist at start, so extremely cheap |
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The zero fees are usefull when joining dust with your aged coin. You doing this way favor to the blockchain because you reduce network unspent inputs and thus lowering memory and CPU cycles requirements for Bitcoin core. But using zero fee tx for creating more outputs from fever inputs should be not allowed...
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Huh? Could you elaborate? Was that some transaction that got cancelled or something? I guess you wrote the support? It surely won't take this long to be executed normally! But any info on this would be appreciated! Basically if you do research of Coinbase history you find out many sell/buy orders in the past were cancelled without any compenzation. Like you bought 1BTC when the price was 800 USD, but after few days your buy order was cancelled. The support tells you can do the transaction again, but unfortunatelly for you the price is now 850 USD. So much about Coinbase. |
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you will never be able to buy bitcoin and spend it in the same day and the totals balance out
So there will be *no* incentive to spend them then isn't it? How would bitcoin ever succeed when they are not going to be spent? Merchants can offer discounts when paying with Bitcoin (when you paying with credit card merchants have to pay few percent to credit card company). But I doubt the discounts can offset the Bitcoin exchange fee + bank transfer fee (when you buy Bitcoin with your local currency). So Bitcoin will be best used once you receive Bitcoin payment for your work, this way it becomes much better spend the bitcoins instead of exchanging to your local currency... |
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I remember this ripple thing one year ago. Does ripple have any practical use now ? Like easier Bitcoin buying or something
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Even with 40 GB at the end of 2015, my 1TB HDD can handle it, probably another 5 years as well - probably the HDD will die sonner before I need to upgrade  |
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Valid private keys are 256-bit (2256) numbers between 0x1 and 0xFFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFE BAAE DCE6 AF48 A03B BFD2 5E8C D036 4141
Any reason private keys are not just numbers between 0 and 2 256-1 ? |
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Mark Karpeles
+1 He deserves it Edit: Mark Karpeles, not the 1st poster  |
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If there will be something left for users, it will be paid out but I doubt fiat ballances has priority over bitcoin ballances, bitcoins have fiat IOU value as well
Hopefully we get at least something back
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So everyone what do you think about altcoins?
My opinion is that that they will profit big in the future! If you mine any alt-coin write down wich one you mine right now! And i'd like to know your opinion too  Im sceptical about holding altcoins, in future, there can be only much more altcoins, not hundreds like now but many thousands. If you dont select the right one, your gonna holding worthless coins for sure |
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Butterfly Labs proved they cannot deliver on time.
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and the best part right now is just to buy in to bitcoin so that the price will go up Not because of this, just buy if you think Bitcoin have higher value to you |
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Because this is the official bitcoin forum and one of the first results relate to bitcoins. Personally I came here looking for a way to buy bitcoins without sending my documents to an exchanger.
With Localbitcoins you can probably find trusted sellers. Here it might be risky, unless you use escrow |
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china will push bitcoins to $0 or possible negatives
western markets to bottom at single digits (hopefully)
my ladder is
$11
$7
$3
$.55
$.15
$.02
 This is just bearish, Chinese have the strongest hands. |
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I personally mine Litecoins (LTC) & Datacoins (DTC), which are both CPU coins... There are plenty of topics covering how to mine either one on the forums here if you need help, or I can try to help you LTC can be mined with GPU so there is no reason to mine with CPU. Not sure about the second, I hear this coin name first time  |
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Quick question, do I need to countinually backup my wallet.dat files like every week, or is it a one off operation, I mean if I back it up with 100 coins in there then in a few months if theres 600 coins and my hdd goes splat, can i install a new wallet client on a new pc then load the original 100 coin dat file, will it then sync with network and restore my 600 coins?
Read this: https://en.bitcoin.it/wiki/Securing_your_wallet#Securing_the_Bitcoin-QT_or_bitcoind_wallet |
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In my active computer I have installed the walled which I lost the password I created months ago. How can I create another? Do I need to download the same program again?
You need to find wallet.dat and delete this file (only if you have 0 BTC there!) |
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If you were mining in 2009 and still mining today with the same hashing power the average time to solve a block has increased by a factor of almost one billion. If that isn't "difficult" then I don't know what is. BTW I perform all my hashes by hand so that is a lot of pencils and paper. Silly you, I wrote a program on my TI-84 calculator to help me with that. Sure, it takes a few days to make a Merkle tree, but it's better than the old days when we did it by hand. Mining also has a target, and a probability, if you don't like the word difficulty, as in "the probability that a single block hash meets the current target is 1 in 3901396778050889728". You are much more likely to win lottery then Fortunatelly computers can solving millions of hashes at once |
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