Ethereum Blockchain Explorer http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142 So, when there is a lot of transactions inside the mempool and also you paid a relatively lower transaction payment, your transaction can keep on being unconfirmed for an extended length of time given that miners/validators will choose transactions with bigger service fees initially.... https://socialclubfm.com/story11542183/blockchain-explorer-usdt-the-single-best-strategy-to-use-for-blockchain-explorer-one-https-cutt-ly-3rj9ygbc