According to @alice_und_bob, the Polkadot Builder Party will host three workshops on Oct 9–10, 2025 covering Reliability Dashboard - The end-to-end Cloud approach, Introduction to Polkadot Products, and Deploying Rollups with the Polkadot Deployment Portal; source: @alice_und_bob on X (Oct 8, 2025) and opengovwatch.notion.site. The meetup calendar lists 11 cities across Oct 8–12, 2025: Bangkok, Berlin, Singapore, Hyderabad, Rome, Kisumu, Cebu, Vadodara, Enugu, Nagpur, and Enakulam; source: @alice_und_bob on X (Oct 8, 2025) and luma.com/sub0. For DOT-focused trading calendars, these dates consolidate ecosystem workshops and meetups listed by Polkadot Builder Party with full workshop details at opengovwatch.notion.site and meetup sign-ups at luma.com/sub0; source: @alice_und_bob on X (Oct 8, 2025).

According to @alice_und_bob, the Polkadot Build Party starts this week as a six-week online hackathon to onboard Web2 and Web3 developers to build new apps for the Polkadot ecosystem, culminating at Sub0; source: @alice_und_bob on X, Aug 25, 2025, https://twitter.com/alice_und_bob/status/1959868321328758979. For traders, this announcement establishes a defined six-week window for ecosystem development activity and event-related updates tied to Sub0 within the Polkadot (DOT) landscape; source: @alice_und_bob on X, Aug 25, 2025, https://twitter.com/alice_und_bob/status/1959868321328758979.