<p>A United Nations (UN) official has said that cryptocurrencies make global efforts to fight cybercrime “significantly” harder, due to their pseudonymous nature.</p> <p>Neil Walsh, chief of the cybercrime and anti-money laundering section of the UN's Office on Drugs and Crime, made the comments in an <a href="https://www.abc.net.au/radio/programs/pm/crypto-currency-makes-child-slavery-trade-harder-to-break-un/11462410">interview</a> with Australian Broadcasting Corporation (abc.net.au) on Thursday.</p> <p>Walsh warned that criminals include global child sexual exploitation networks, which are more widespread than much of the public understands.</p> <p>Earlier this month, the UN <a href="https://www.theblockcrypto.com/tiny/un-details-how-north-korea-carried-out-crypto-and-swift-hacks-to-amass-2b-to-fund-its-nuclear-programs/">said</a> that North Korea has collected an estimated $2 billion by hacking cryptocurrency exchanges and financial institutions to fund its nuclear programs.</p> <p>South Korea was hit hardest from North Korean cyberattacks, the intergovernmental organization said, adding that it is currently investigating 35 North Korea cyberattacks in 17 countries.</p>