Child abuse images hidden in Bitcoin blockchain

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Researchers from RWTH Aachen University said that the issue lay with how the blockchain - the indelible distributed ledger that records all Bitcoin transactions - can also record other arbitrary data.

In their paper presented at a conference in Curacao, the team wrote: "Although court rulings do not yet exist, legislative texts from countries such as Germany, the UK, or the US suggest that illegal content such as (child sexual exploitation images) can make the blockchain illegal to possess for all users."



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