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 (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract https://socialmediainuk.com/story23851548/the-definitive-guide-to-explorer-blockchain-ethereum-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g