Blockheader C6 web3 tasks 1 and 2#54

Bigcheese-2 wants to merge 4 commits into

BlockheaderWeb3-Community:task-2BlockheaderWeb3-Community/cohort-6:task-2from

Bigcheese-2:task-2Bigcheese-2/cohort-6:task-2Copy head branch name to clipboard