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 100 would really be the 101st transaction submitted by this account) https://sb-bookmarking.com/story20681417/top-blockchain-explorer-confirmed-transactions-secrets-https-peatix-com-user-27717689