graph LR 1["What is a Blockchain"]-->0{"What is a Hard Fork"} 2["What is a Consensus Mechanism"]-->0{"What is a Hard Fork"} 3["What is GIT"]-->0{"What is a Hard Fork"} 4["What is an Update"]-->0{"What is a Hard Fork"} 0{"What is a Hard Fork"}-->5["How Etherium Can Change"] 0{"What is a Hard Fork"}-->6["How Do Cryptocurrencies Change"] click 1 "../What_is_a_Blockchain" "What is a Blockchain" click 2 "../What_is_a_Consensus_Mechanism" "What is a Consensus Mechanism" click 3 "../What_is_GIT" "What is GIT" click 4 "../What_is_an_Update" "What is an Update" click 5 "../How_Etherium_Can_Change" "How Etherium Can Change" click 6 "../How_Do_Cryptocurrencies_Change" "How Do Cryptocurrencies Change"