The Time2Build developer challenge just announced its 2025 winners. It was organized by Breez in collaboration with partners including Tether, Lightspark, Fulgur Ventures, Plan ₿ Network, PlebLab, Geyser, and Draper University. The initiative, which ran from October 7 to November 15, 2025 (with a merge period through December 16), focused on integrating self-custodial Lightning Network payments into existing open-source applications using the Breez SDK.

More than 50 developer communities worldwide participated, resulting in a range of plugins, tools, and integrations designed for long-term use rather than one-off demonstrations. The challenge emphasized practical Bitcoin…

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