Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for the from address (bear in mind this begins at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://wisesocialsmedia.com/story5701034/what-does-eth-blockchain-explorer-mean-https-www-youtube-com-redirect-q-https-cryptoexplorerhub-com