That's a scam no one will use this exchange to sell Bitcoin.
Look:
Domain:hiribi.org
Registrar:NameCheap, Inc.
Registered On:2020-11-10
Expires On:2021-11-10
Status:serverTransferProhibited
Name Servers:dns1.registrar-servers.com
dns2.registrar-servers.com
It's so risky to deal with new domains and they always keep popping up everywhere these days due to the price increase.
And look at their offer "21876.26 USD/btc" with "Get extra $ 3493.02 by selling your BTC now!" which is obvious no one will give you such big free money by just selling bitcoin.
If you just found this from social media sites or it was shared by your friend be careful because it's 100% scam.
But I noticed that owner of this domain is doing blackhat SEO due to massive backlinks in just a few days?
If you are not the owner of this website I suggest you remove the hyperlink or domain above.