YouTube Video https://youtu.be/ZIG2qvTe2ek Speaker Mance Harmon | Co-Founder and CEO | Hedera Hashgraph Abstract Mance Harmon, Co-Founder and CEO at Hedera Hashgrah, presents a State of the Ledger address on Hedera Hashgraph, the company behind the fast, fair, and secure distributed public ledger. Mance will guide us through a brief history of Hedera Hashgraph, from conception of the hashgraph algorithm, to the launch of the Hedera public network, key roadmap milestones, and more. In the second half of Mance’s keynote, he’ll conduct an overview of the advantages of Hedera Hashgraph's cryptocurrency, smart contract, and file Storage services, over other distributed ledgers platforms.