Block top - The block number and length of the blockchain (in blocks) on generation of the present block Nonce - The transaction number for 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://worldsocialindex.com/story5526784/5-simple-techniques-for-explorer-blockchain-base-http-ezproxy-cityu-edu-hk-login-url-https-cryptoexplorerhub-com