Block top - The block variety and length of the blockchain (in blocks) on generation of the current block Nonce - The transaction variety for the from address (bear in mind this starts at 0 so a nonce of one hundred would actually be the a hundred and first transaction https://bookmarksbay.com/story20668394/the-definitive-guide-to-explorer-blockchain-ethereum-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html