Filecoin Blockchain Explorer https://www.bitsdujour.com/profiles/V7UXv4 So, if there is a large number of transactions during the mempool therefore you paid out a comparatively small transaction charge, your transaction can stay unconfirmed for an extended time period because miners/validators will choose transactions with higher service fees to start with. In several blockchain https://intensedebate.com/people/mcculloughfour