Optimism Blockchain Explorer https://www.giveawayoftheday.com/forums/profile/1149873 So, if there is numerous transactions from the mempool therefore you paid out a comparatively small transaction rate, your transaction can continue being unconfirmed for an extended time period since miners/validators will pick out transactions with larger fees to start with. An unconfirmed transactio... https://www.demilked.com/author/crawford18sheehan/