Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://bookmarkworm.com/story20359316/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-www-webwiki-ch-cryptoexplorerhub-com