Blockchain Explorer Pi https://www.instapaper.com/p/16801288 So, when there is a large number of transactions while in the mempool and also you paid a relatively very low transaction fee, your transaction can continue to be unconfirmed for an prolonged stretch of time considering that miners/validators will pick transactions with greater service fees https://socials360.com/story11172126/blockchain-explorer-ethereum-ethereum-blockchain-explorer-things-to-know-before-you-buy-https-cutt-ly-3rj9ygbc