Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would in fact be the one hundred and first https://pr7bookmark.com/story20849623/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-diigo-com-010nvri