Block top - The block number 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://bookmarkboom.com/story20504263/the-blockchain-explorer-usdt-trc20-diaries-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers