Blockchain Explorer copyright https://www.instapaper.com/p/16801185 So, if there is a large number of transactions within the mempool and also you compensated a relatively very low transaction price, your transaction can continue to be unconfirmed for an extended time frame given that miners/validators will choose transactions with greater service fees to start https://getidealist.com/story22015740/blockchain-explorer-mempool-top-guidelines-of-eth-blockchain-explorer-https-cutt-ly-3rj9ygbc