Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity to the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the a hundred and first transaction submitted https://alphabookmarking.com/story20219034/blockchain-explorer-fundamentals-explained-https-www-bitsdujour-com-profiles-iptrcw