Open Source Blockchain Explorer https://www.hulkshare.com/maychen9/ So, if there is a large number of transactions from the mempool therefore you paid a relatively lower transaction payment, your transaction can stay unconfirmed for an extended period of time considering the fact that miners/validators will pick out transactions with larger fees to start https://tbookmark.com/story20708663/ethereum-blockchain-explorer-top-explorer-blockchain-ethereum-secrets-https-cutt-ly-3rj9ygbc