Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://thesocialvibes.com/story5941165/not-known-details-about-blockchain-explorer-usdt-trc20-http-bioimagingcore-be-q2a-user-storegarlic8