Blockchain Block Example https://www.giveawayoftheday.com/forums/profile/1149873 So, if there is a large number of transactions in the mempool therefore you paid out a comparatively low transaction fee, your transaction can keep on being unconfirmed for an extended time frame since miners/validators will pick out transactions with larger charges to start with. TraceHawk https://thejillist.com/story10507189/blockchain-explorer-address-a-secret-weapon-for-blockchain-explorer-analytics-and-web-services-https-cutt-ly-3rj9ygbc