According to Alice und Bob, the winners of the Polkadot Builder Party have been announced, highlighting notable projects within the Polkadot ecosystem, source: Alice und Bob on X, Dec 8, 2025. The post also states a livestream will be held later this week to celebrate the winners, setting a defined near-term event window traders can track for official updates, source: Alice und Bob on X, Dec 8, 2025. The announcement provides no details on the number of winners, categories, or the exact livestream time, indicating the livestream is the next venue for confirmed information, source: Alice und Bob on X, Dec 8, 2025.