Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this commences at 0 so a nonce of a hundred would essentially be the one hundred and first transaction submitted by https://bookmarkspy.com/story22037312/what-does-blockchain-explorer-usdt-mean-https-www-dermandar-com-user-quietquiet9 
