Sleekarena.com is a 10 years plus domain that was built as a cryptocurrency exchanger where people trade both bitcoin and litecoin on P2P basis. However, interest changed and there was the need to sell the website. The files on the website are still intact, but not updated any more.
If you are looking for a domain that has some level of SEO, that will quickly command online authority, then this domain is for you. Ensure you do your due deligence for confirmation.

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Sales of sleekarena.com is handled by
AFTERNIC own by GODADDY