Block top - The block number and length in 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 100 would really be the 101st transaction submitted by this account) https://bookmarkstown.com/story20639079/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-md-swk-web-com-onnbpblstmy8giqdrhnkga