Blockchain Explorer copyright https://www.instapaper.com/p/16801185 So, if there is a large number of transactions during the mempool and you simply paid a relatively very low transaction price, your transaction can stay unconfirmed for an prolonged timeframe due to the fact miners/validators will pick transactions with higher service fees 1st. Some transactions https://isocialfans.com/story5901704/blockchain-explorer-ltc-not-known-facts-about-blockchain-explorer-address-https-cutt-ly-3rj9ygbc