Block top - The block selection and length from the blockchain (in blocks) on creation of the present block Nonce - The transaction range with the from address (bear in mind this begins at 0 so a nonce of 100 would in fact be the one hundred and first transaction https://gatherbookmarks.com/story21496451/what-does-blockchain-explorer-usdt-mean-https-doodleordie-com-profile-brokerdrop7