Stellar Lumens Blockchain Explorer https://500px.com/p/enevoldsenepbhenderson So, when there is a lot of transactions inside the mempool and you also paid a comparatively low transaction cost, your transaction can continue being unconfirmed for an extended time period because miners/validators will select transactions with bigger service fees 1st. In many blockchain networks, https://www.hulkshare.com/maychen9/