Blockchain Explorer Confirmed Transactions List http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142 So, if there is a lot of transactions during the mempool and also you paid out a relatively small transaction fee, your transaction can remain unconfirmed for an extended time frame due to the fact miners/validators will pick out transactions with better service fees https://bookmarkdistrict.com/story20405623/blockchain-explorer-search-the-ultimate-guide-to-explorer-blockchain-neo-https-cutt-ly-3rj9ygbc