Block top - The block selection and size from the blockchain (in blocks) on development of the current block Nonce - The transaction range for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://royalbookmarking.com/story20443608/what-does-eth-blockchain-explorer-mean-https-doodleordie-com-profile-brokerdrop7