Block top - The block number and size of the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://1001bookmarks.com/story20091280/5-tips-about-blockchain-explorer-you-can-use-today-https-peatix-com-user-27717689