Blockchain Explorer Sepolia https://numberfields.asu.edu/NumberFields/show_user.php?userid=6213129 So, when there is numerous transactions while in the mempool so you paid a comparatively small transaction cost, your transaction can continue to be unconfirmed for an extended length of time due to the fact miners/validators will decide on transactions with greater fees to start with. https://thebookmarkplaza.com/story20384425/blockchain-explorer-usdt-ltc-blockchain-explorer-an-overview-https-cutt-ly-3rj9ygbc