Blockchain Explorer copyright https://bbs.pku.edu.cn/v2/jump-to.php?url=https://cryptoexplorerhub.com So, if there is a large number of transactions in the mempool therefore you paid out a comparatively reduced transaction payment, your transaction can stay unconfirmed for an extended length of time considering the fact that miners/validators will pick out transactions with larger fee... https://brightbookmarks.com/story20658380/near-blockchain-explorer-a-secret-weapon-for-blockchain-explorer-analytics-and-web-services-https-cutt-ly-3rj9ygbc