Block Explorer Dot https://www.bitsdujour.com/profiles/dxNl6l So, if there is a large number of transactions from the mempool so you paid out a comparatively small transaction cost, your transaction can continue to be unconfirmed for an extended time period since miners/validators will find transactions with better costs 1st. The mempool basically queues https://keybookmarks.com/story20652228/blockchain-explorer-the-greatest-guide-to-blockchain-explorer-bitcoin-https-cutt-ly-3rj9ygbc