Block Explorer Ganache https://www.instapaper.com/p/16800477 So, if there is a large number of transactions during the mempool therefore you paid out a comparatively small transaction cost, your transaction can continue to be unconfirmed for an extended period of time considering the fact that miners/validators will pick out transactions with larger fees https://bookmarkloves.com/story22918803/blockchain-explorer-bitcoin-rumored-buzz-on-explorer-blockchain-solana-https-cutt-ly-3rj9ygbc