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If you have the link, we could help to report it as well [it'll speed up the process for taking it down].
Its phishing site is what you have shown,
phishing site:
www.lunobtc.comofficial site:
https://www.luno.comand it seems to have been successfully taken down by the hosting provider, and the twitter account @lunobtc has also been suspended (the only social media faked). Looks like the official Luno did have issues verifying customer identity in the past as someone revealed
via tweet, then scammers started using the fake account asking for email and phone numbers.
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they just want to use those documents to steal your identity and to signup at other sites to commit fraud.
It's worse than that. The scammer will use the victim's KYC to reset the account from the original site. I think the safest way to complain is to contact support privately via the official complaint page instead of expressing frustration on social media.