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What is a Block Header in Bitcoin? What is the Bitcoin Genesis Block? Thanks for the article! Why is the double spend problem even a problem?
In November it was discovered that the GHash. However no evidence supporting this was provided and the incident left a permanent cloud hanging over the pool.
Then why use bitcoin at all? Banks are doing the same. You are trusting a third party, and now it totally depends on jaxx and copay to handle your funds in whatever way you want.
There is no decentralization. Well I believe I was tricked by an attaker like you say. I tried the doubler. Does anyone else got ripped off by this method in blockchain too.
You just sent your bitcoin to a scammer, and they took it obviously. You will not be asked for judging that Blockahin will do that.
Whichever transactions get added first to the longest blockchain version is the valid one. On 6th od December I bought bitcoins in Bit2me.
I already bought before and I had to problem. But the thing is that on 6th I sent them two bank transaction with the same value I bought them with 4 minutes difference.
But they sent the same bitcoins amount at the same time to my wallet. Now I cannot do anything because they say they sent the bitcoins to my wallet but was busted as double spent.
They told me to wait but I am very worry because it is a lot of money. Do you think I will loose all my money or it is just wait and I will receive it all?
Any help will be appreciated. Thank you for your info!! I am in a deep trouble and confusion and need you advise urgently please!
He told me to send 0. How could this happened?? I need your professional advise please, thank you!!! A restart of the wallet and some patience typically fixes the issue.
Run bitcoind and with -zapwallettxes. Create a new transaction to make your payment and add an appropriate fee this time.
The simplest way is to send all your bitcoins to yourself. This article appears to assume that any double-spending attempt is going to involve trying to send the same Bitcoin to TWO 2 different addresses.
But what do you know about alleged double-spending attempts that were sent to the SAME address more than once? I used the Mycelium Android wallet for this sweep attempt and have actually used the Mycelium wallet for this same purpose dozens of times in the past without any problems.
INFO was still showing the funds fully available in the paper wallet. So with good reason to believe that the funds were never successfully swept from the paper wallet, I attempted yet a THIRD sweep of the wallet — and on the third attempt, it worked.
So about an hour later, I go back into my Coinbase account to see the status of the transaction. COM site as its choice of blockchain explorer, as opposed to using Blockchain.
INFO or some of these other explorer sites. And when I clicked on the link into the explorer webpage, it gives the following ominous message:.
This transaction has been double-spent by d46fe0c4cb4bbb0cd…, be extremely careful when accepting this transaction! One point to clarify here is that in making the three attempts that I did at transferring the funds from the paper wallet to my Coinbase account, I definitely used ONLY ONE Bitcoin receiving address from my Coinbase account.
I did not attempt to send the Bitcoin to more than one address on any of the three attempts made. So NOW where is the double-spend logic coming into play here, at least regarding this article?
Although I may be wrong, it occurs to me that the author of this article is not particular savvy when it comes to this blockchain technology stuff, and so maybe there is not going to be a knowledgeable answer to this question coming from this forum.
In any event, I am wondering if anybody knows the answer to the question about how, when or if these alleged double-spend attempts EVER end up correcting themselves on the blockchain….
Is there any good reason for me to believe that this apparent technical problem created by the Mycelium Android wallet itself is ever going to be corrected over a period of time?
If that ends up happening, then the other thing I know is that the only way for this situation to correct itself is for the 0. I mean, we are talking about 0.
It will be interesting to see if and when I ever get access back to my half-a-Bitcoin. What if the two transactions double spending are picked from the pool to be included in the same block.