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 starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://livebackpage.com/story5764694/the-blockchain-explorer-address-diaries-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg