Block Explorer Base Sepolia https://k12.instructure.com/eportfolios/1098588/entries/3707785 Solana: Typically several seconds to some moment. However, in unusual conditions, Solana blockchain transactions can stay unconfirmed for hrs or maybe times These transactions stay in the mempool (memory pool) right up until a miner or validator selects them and includes them within a block. https://45listing.com/story22849080/explorer-blockchain-solana-not-known-factual-statements-about-explorer-blockchain-base-https-cutt-ly-3rj9ygbc