Block top - The block selection and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction range for the from address (bear in mind this starts at 0 so a nonce of one hundred would in fact be the one hundred and first https://thesocialcircles.com/story6462871/a-review-of-blockchain-explorer-usdt-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html