i am facing same problem .. My transaction is stuck in chain.so since last 5 days !
if i check the transaction id it does not shows in www.blockchain.info but its shows in www.chain.so (i dnt know what does this mean )
secondly the website which i withdrawn Btc similarly other user have same problem. 

if anyone from www.oaccoin.com and have same withdrawn problem please update .


thank you any help will be appreciated.