Neo Blockchain Explorer https://www.hulkshare.com/sullivan77drake/ So, when there is a lot of transactions inside the mempool and also you paid a relatively small transaction price, your transaction can continue to be unconfirmed for an extended period of time since miners/validators will select transactions with higher expenses initial. An unconfirmed transaction is https://bookmarking1.com/story20351274/blockchain-explorer-btc-ltc-blockchain-explorer-an-overview-https-cutt-ly-3rj9ygbc