Block top - The block number and length on the blockchain (in blocks) on creation of the current block Nonce - The transaction range for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://socialfactories.com/story6059028/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg