Blockchain Explorer Cypher https://www.bitsdujour.com/profiles/dxNl6l Solana: Typically some seconds to the moment. Having said that, in scarce cases, Solana blockchain transactions can keep on being unconfirmed for several hours and even days These transactions remain in the mempool (memory pool) until finally a miner or validator selects them and incorporates them https://siambookmark.com/story20442762/explorer-blockchain-solana-everything-about-blockchain-explorer-unconfirmed-transaction-https-cutt-ly-3rj9ygbc