Blockchain Explorer Support http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142 Solana: Usually a couple of seconds to some minute. Nonetheless, in unusual situations, Solana blockchain transactions can continue being unconfirmed for several hours or maybe times The mempool essentially queues the transaction and broadcasts it across all nodes in the chain. Thus, ... https://wiishlist.com/story20952757/explorer-blockchain-ethereum-everything-about-blockchain-explorer-unconfirmed-transaction-https-cutt-ly-3rj9ygbc