Block top - The block selection 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 begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://mirrorbookmarks.com/story20515853/what-does-blockchain-explorer-usdt-mean-https-canvas-instructure-com-eportfolios-4028322-entries-14252553