Bitcoin Explorer Ordinals https://www.demilked.com/author/crawford18sheehan/ Solana: Normally a number of seconds into a minute. Nonetheless, in unusual situations, Solana blockchain transactions can continue to be unconfirmed for hrs and even days These transactions remain in the mempool (memory pool) till a miner or validator selects them and contains them in a https://meshbookmarks.com/story20422655/blockchain-explorer-bitcoin-explorer-blockchain-tron-options-https-cutt-ly-3rj9ygbc