Blockchain Info Xpub https://www.instapaper.com/p/16800477 So, when there is a lot of transactions within the mempool and you simply paid a comparatively very low transaction fee, your transaction can remain unconfirmed for an prolonged timeframe considering that miners/validators will pick transactions with larger fees to start with. The mempool fundamentally queues https://artybookmarks.com/story20050222/blockchain-explorer-one-how-much-you-need-to-expect-you-ll-pay-for-a-good-explorer-blockchain-usdt-https-cutt-ly-3rj9ygbc