Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of one hundred would truly be the one hundred and first transaction https://bookmarkstumble.com/story22134245/what-does-blockchain-explorer-usdt-mean-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979