Crypto Briefing July 21, 2026

Jack Dorsey’s Block launches Buzz groupchat platform to challenge Slack and GitHub

Jack Dorsey’s Block launches Buzz groupchat platform to challenge Slack and GitHub

Square parent Block launched Buzz, an open source group chat platform where humans and AI agents can collaborate across messages, code and workflows.

The post Jack Dorsey’s Block launches Buzz groupchat platform to challenge Slack and GitHub appeared first on Crypto Briefing.

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