Blockchain Explorer Local https://www.instapaper.com/p/16800704 Solana: Ordinarily a handful of seconds to a minute. However, in uncommon circumstances, Solana blockchain transactions can stay unconfirmed for several hours or simply days These transactions stay in the mempool (memory pool) until eventually a miner or validator selects them and consists of them in https://socialistener.com/story5698416/blockchain-explorer-unconfirmed-transaction-a-review-of-blockchain-explorer-usdt-https-cutt-ly-3rj9ygbc