Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract creation https://royalbookmarking.com/story20290364/the-definitive-guide-to-explorer-blockchain-ethereum-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg