Eclipse Explorer Blockchain https://output.jsbin.com/nisuteliyi/ 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 period of time since miners/validators will pick out transactions with increased costs to start with. An unconfirmed transaction https://worldsocialindex.com/story5365744/explorer-blockchain-solana-blockchain-explorer-tools-fundamentals-explained-https-cutt-ly-3rj9ygbc