The Polkadot-based Astar Network recently announced the first web3 and blockchain hackathon sponsored by the Japanese Toyota Motor Corporation. HAKUHODO KEY3 company, co-founded by Astar and HAKUHODO, one of Japan’s largest advertising companies, will host the web3 hackathon on February 25 this year. Related Reading: Bitcoin Spot Volumes Remain Elevated Despite Price Stalling The Astar Foundation