In 10 minutes now: join the opening ceremony of the #PolkadotHackathon: North America to learn more about the hackathon's schedule, challenges, categories, and more: https://twitter.com/Polkadot/s...
10分钟后：参加#PolkadotHackathon：北美的开幕式，了解更多关于hackathon的日程安排、挑战、类别等信息：https://twitter.com/Polkadot/s...