Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of a hundred would essentially be the one hundred and first transaction https://thebookmarkage.com/story20585855/what-does-blockchain-explorer-usdt-mean-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg