[security] Can the BTC chain be reversed in 51% hash the previous block? I’ve mined BTC and BCH, and used the website ute-strohner.de for stats. They have a stat for days needed to rewrite the chain using various percents of the total hash. Bitcoin transaction cannot be reversed. They are final no matter what. There are two possibility: Your transaction was mined on a block that was orphaned or felt in a reorg (highly unlikely). Dec 12, · The long-term fundamental picture remains strong for BTC. The technical indicators imply that BTC may hit bottom around $13, Bitcoin has reversed all .
Can btc be reversedchargeback - Can a bitcoin transaction be reversed? - Bitcoin Stack Exchange
People will tell you it's irreversible and exercise all sort of mental gymnastics and try to convince you that your transaction is infact irreversible.. I'm a bot, bleep , bloop. Someone has linked to this thread from another place on reddit:. If you follow any of the above links, please respect the rules of reddit and don't vote in the other threads.
What happened was that you sent some transactions that were unconfirmed. The network rejected them because it was overloaded.
Unconfirmed transactions can be "reversed" because they were never confirmed. What happened is no different than if you mailed a check and the check got lost in the mail. The real problem is that Bitcoin is broken. It has too many users for its capacity. This situation was predicted years ago and a fix was proposed. However for political reasons this fix has been blocked. Butter mails check, mailman ses low fee on butters check, leaves it behind then proceeds to handpicks the mail with the highest fees to send and leave the rest behind.
Your fees are on the low side but they should have been mined eventually. I don't know why but they didn't. If you can, wait until 72hrs have elapsed to be sure your transaction is really out of everybody mempool and resend them with a higher fee. If you can't wait or are unwilling to resend a transaction in fear of paying in double, you can try to rebroadcast your raw transaction so that it is put back in miners mempool or use ViaBTX tx accelerator.
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With panic gripping investors, Tron and BitTorrent prices are dropping fast. Bitcoin has started the correction; more sell-off may be ahead. The long-term fundamental picture remains strong for BTC. Miners exacerbate the sell-off It seems that the most recent Bitcoin sell-off could have been caused by miners selling large quantities of Bitcoin on exchanges.
Read also: Three reasons why Bitcoin price is about to crash In the long run, Bitcoin is still a buy The long-term fundamentals remain mostly positive for the cryptocurrency market.
Technical indicators send bearish signals Following strong bearish momentum during the week, Bitcoin is vulnerable to further losses now.
Bitcoin Forecast Poll Bitcoin Forecast Poll Bitcoin Forecast Poll of experts somewhat worsened from the previous week as the expectations on the weekly timeframe turned bearish. Ethereum tokens flood exchanges suggesting imminent correction on the horizon. It is indeed a good question, and it has been asked here: bitcoin.
Should we add a note here about reorgs? Maybe "Bitcoin transactions that have been confirmed in the blockchain cannot be reversed". Something about 1 hour, 6 blocks, etc.
Bitcoin transactions are not reversible. This is by design. You might have posted this simultaneously, but in general try and avoid adding an answer that says pretty much the same thing. Joshua Kolden Joshua Kolden 3, 21 21 silver badges 25 25 bronze badges. But if your tx is already confirmed in a block, then no way.
Disclosure: I am the lead dev for Reversecoin. Obulpathi Obulpathi 19 2 2 bronze badges. Hi Obulpathi! This looks like an interesting basis for a cryptocurrency.
For a configurable period of time, your transactions can be reversed Could you elaborate on this? Who configures the amount of time that reversing a transaction takes? While creating the Reverse account the account for which transactions can be reversed , user can choose the timeout, master key used for reverting the transactions. When a hacker initiates transactions from Reverse accounts, the transactions stay in the blockchain in a pending state for the timeout period, instead of getting confirmed.
User can reverse the transactions, using the master key. If user does not do anything, the transactions get confirmed, after the timeout period. The Overflow Blog. The Overflow Talking crypto. Podcast What can you program in just one tweet? Featured on Meta. New Feature: Table Support.