Researchers discover illegal content within the distributed ledger,making possession of it potentially unlawful in many countriesGerman researchers absorb discovered unknown persons are using bitcoin’s blockchain to store and link to child abuse imagery, potentially putting the cryptocurrency in jeopardy.
The blockchain is the open-source, and distributed ledger that records every bitcoin transaction,but can also store small bits of non-financial data. This data is typically notes approximately the trade of bitcoin, recording what it was for or other metadata. But it can also be used to store links and files.
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Source: theguardian.com