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.