Blockchain Explained http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142 Solana: Ordinarily a few seconds to a minute. Nevertheless, in uncommon instances, Solana blockchain transactions can stay unconfirmed for hours and even days These transactions stay in the mempool (memory pool) until finally a miner or validator selects them and incorporates them in a block... https://scrapbookmarket.com/story20615448/blockchain-explorer-search-ethereum-blockchain-explorer-things-to-know-before-you-buy-https-cutt-ly-3rj9ygbc