Qtum Blockchain Explorer https://hedgedoc.k8s.eonerc.rwth-aachen.de/ftwXmwWQS3aRxqs88ptGCw/ So, when there is a large number of transactions in the mempool and you compensated a relatively minimal transaction rate, your transaction can keep on being unconfirmed for an prolonged stretch of time due to the fact miners/validators will decide on transactions with larger charges first. https://500px.com/p/younguitibrahim