Bitcoin's Blockchain Caught Loaded with Child Pornography
Lurking within Bitcoin'due south ever-growing blockchain is a agonizing surprise. A team of researchers say they've found links to online child pornography recorded into the applied science.
The researchers at RWTH Aachen University in Germany claim to have uncovered the 274 links while investigating the non-financial data that's been stashed into Bitcoin'south blockchain.
Unfortunately, that'due south not all. A pornographic image, mayhap of a small-scale, was also scribbled into the blockchain. This all could theoretically make the blockchain illegal to possess in 112 countries, the researchers warned in a new paper that was presented at a conference earlier this month.
How did the sexual content get at that place? Although the Bitcoin blockchain is designed to record every transaction with the cryptocurrency, you tin also adds snippets of non-financial information also. This has benefits. For instance, a notary service can tie a Bitcoin transaction to a digital document.
The blockchain network is decentralized, which helps brand the data recorded practically immutable. But this also introduces a problem: potentially anyone can anonymously insert controversial data on the blockchain.
The researchers at the German university decided to download Bitcoin's blockchain —which at the time was 122 GB in size— and browse for what they called "objectionable content." They found that only one.4 percentage of all transactions on the blockchain carried not-financial data, which amounted to 118.v MB in size. An even smaller corporeality, at 22.6 MB, contained readable files when viewed over applicable software.
Among the information was the child pornographic content establish in three files; the 274 links were lists that directed to sites found on the Nighttime Web. The researchers also uncovered six wedding-related images, 609 transactions containing public chat logs, emails and forum posts discussing Bitcoin and money laundering, in improver to backups of WikiLeaks data.
Others take likewise warned about blockchain'due south dangers. Dorsum in 2022, Interpol worried almost bad actors embedding malware and other illegal data, including child abuse images, into the engineering science.
Fortunately, the researchers at Aachen University didn't notice any malware on Bitcoin'south blockchain. Just in their paper, they warned: "Illegal content has the potential to jeopardize a whole cryptocurrency,"
To be clear, bitcoin holders don't need to download the unabridged blockchain to make transactions in the virtual currency. Many investors buy and send transfers through third-party cryptocurrency services that directly interact with the Bitcoin blockchain.
In their paper, the researchers noted a number of means you lot can insert content on the cryptocurrency'south blockchain, which include services such every bit CryptoGraffiti, Satoshi Uploader and Apertus. But on the flip side, the added data cannot be reversed and its unclear if a solution can exist developed to remove the child pornography from the engineering science.
Source: https://sea.pcmag.com/news/20146/bitcoins-blockchain-caught-loaded-with-child-pornography
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