I am using Bitcoin-Qt v0.8.2-beta on Mac with Mountain Lion (10.8.4), and my database gets corrupted every time I restart the Mac -.-However, Bitcoin-Qt "just" recreates (?? don't know what the english word is, sorry) the Blockchain/Database (which always takes like 3 or 4 days) but no money is gone. Note that the downloaded package can easily be corrupted as the installed version shares the disk space. That is, if you edit an installed file, the one in the download folder will also change. This is why you need to delete the downloaded package before being able to restore a file. You copy the backup wallet.dat to the proper bitcoin-qt path and see that wallet.dat is in fact corrupted. This means that the copy of wallet.dat most likely can not be fixed, but the backup wallet.dat that has not been moved or copied might be able to be fixed. Syscoin is merge-mined with Bitcoin meaning Bitcoin miners can simultaneously mine Bitcoin and Syscoin with no increase in cost. This provides Syscoin with an incredibly robust and secure network and reduces network vulnerabilities that might allow exploits such as a 51% attack. Partnerships. Over the past four years, Syscoin and Blockchain Foundry have established significant and strategic ... Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minute to sign up. Sign up to join this community . Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Bitcoin . Home Questions Tags Users Unanswered Jobs; Explore our Questions Ask Question bitcoin-core transactions blockchain bitcoind ... Discover Bitcoin, the cryptocurrency that has the finance world buzzing Bitcoin is arguably one of the biggest developments in finance since the advent of fiat currency. With Understanding Bitcoin , expert author Pedro Franco provides finance professionals with a complete technical guide and resource to the cryptography, engineering and economic development of Bitcoin and other cryptocurrencies. This tag should be used for questions pertaining to Bitcoin Core. Bitcoin Core is an MIT-licensed Qt 5 GUI application for the original Bitcoin codebase. Additional/previous names include "Bitcoin-Qt", "Satoshi-Client", and "Standard Client". This tag should be used when referring to the Bitcoin Core software. Merge pull Bitcoin-Qt version 0.6.1 released. 4 May 2012. If you need a portable blkindex.dat file then run with the new -detachdb=1 option or the “Detach databases at shutdown” GUI preference. Mac and Windows binaries are compiled against OpenSSL 1.0.1b (Linux binaries are dynamically linked to the version of OpenSSL on the system). OSX 10.6.8, HFS+ journaled disk. Unfortunately I don't ... You need to run the client with the -salvagewallet command-line option which moves any existing wallet.dat to wallet.[timestamp].dat and then attempts to salvage public/private keys and master encryption keys (if the wallet is encrypted) into a new wallet.dat. Once you have your keys in place you can import them into a fresh copy of bitcoin and recover your balance. Try to look in the ~/.bitcoin/db.log file for more information. It is likely that your only solution is to remove the block database (either blk0001.dat, blk0002.dat or blkindex.dat). DO NOT REMOVE YOUR wallet.dat file!!! This means you will have to download the whole block chain again. This other question has tips on how to speed up that download.
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