What I wanted was to get cash out of the BTCs in my wallet. Some argue the large-scale bitcoin miners in China/Asia may not be able or willing to manipulate the blockchain despite the fact there are not too many of them left. I’m actually skeptical that it’s so secure as many people believe simply due to the fact that the big miners actually build something sort of an oligopoly. Note: I have never really looked into the whole Bitcoin affair more in-depth. Third, I removed all access rights from the wallet.dat file using sudo chmod a-rwx wallet.dat to ensure nobody, except myself, could by mistake or with bad intent read out or modify the wallet.Īnd then the real work began. Second, I created a safety copy of the entire directory and put it on a memory stick. There it was, under ~/Library/Application Support/Bitcoin/.įirst, I made sure all my Wifi and Bluetooth connections on the laptop were turned off, and the laptop was not connected to the internet. I searched my file system for a wallet.dat file and got lucky. The address indeed contained some fractions of a bitcoin. I browsed a bit further and realized that there was also a second address, not displayed with default settings, and that second address claimed to contain said fractions of a bitcoin. I started the application and found an address. While opening the DVD player application I suddenly spotted an installation of Bitcoin Core that I have entirely managed to ignore throughout all those years. I never bothered to re-format its hard disk, and that’s my luck. I am still using said MacBook from 2011 to watch movies every now and then as it has an in-built DVD player and actually works more or less flawlessly still today. Certainly, back then it did not have a lot of value. I don’t quite remember whether I managed to get those fractions through mining, or whether one of the members of the research project transferred it to my account as a small gift. Today, the value of that fraction is enough to buy me new laptop or go on a vacation for some days. Nevertheless, I installed Bitcoin core v0.3.19 BETA on my MacBook Pro, and somehow managed to get my hands on a fraction of a bitcoin. And certainly there was no way how to ever either buy something or transfer any bitcoins to real fiat money. While I found the ideas fascinating I could not make a lot of sense of it. There, for the first time, someone told me about Bitcoin. In 2011 my employer sent me and a co-worker to the Netherlands for two weeks to work on a research project. How I found and cashed in a bitcoin wallet from 2011Ī few days ago I found a Bitcoin wallet.dat on a Macbook from 2011.
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