from reddit JoshuaSP:
WaltonChain themselves were never in the competition. The amount won was initially reported as 1.3B WON for first and 800K WON for second. 800M WON equates to $702,154.74 as reported here: http://www.kinews.net/news/articleView.html?idxno=110897
You can check the actual website here: http://hxb.fjcid.com/
.....their partner Silicon Group who has members Mo Bing and Chen Zhangrong (CEO and COO of WaltonChain) won the competition. WaltonChain has been firm that Silicon Group is a large portion of the R&D of the RFID hardware custom built for WaltonChain.

full read:
https://www.reddit.com/r/CryptoCurrency/comments/748cu7/waltonpotentially_worrying_investigation/dnw9sva/?sh=8388bd6e&st=J8D6N0YQ


and please don´t spam every topic about wtc with FUD.
seems like your account was only created for spaming:
https://bitcointalk.org/index.php?action=profile;u=1018028;sa=showPosts