MIT Bitcoin Expo Hackathon 2020 Cambridge, MA, USA Building The Stack! $16,675 in prizes Mar 7 – 8, 2020 94 participants
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AWS Chatbot Challenge Online Create conversational, intelligent chatbots using Amazon Lex and AWS Lambda! $19,797 in prizes Winners announced 3849 participants
![[Online] BUIDL - Boston Blockchain Week Hackathon](http://d112y698adiu2z.cloudfront.net/photos/production/challenge_thumbnails/000/802/981/datas/medium.png)
