The Time2Build developer problem simply introduced its 2025 winners. It was organized by Breez in collaboration with companions together with Tether, Lightspark, Fulgur Ventures, Plan ₿ Community, PlebLab, Geyser, and Draper College. The initiative, which ran from October 7 to November 15, 2025 (with a merge interval via December 16), targeted on integrating self-custodial Lightning Community funds into present open-source purposes utilizing the Breez SDK.
Greater than 50 developer communities worldwide participated, leading to a spread of plugins, instruments, and integrations designed for long-term use relatively than one-off demonstrations. The problem emphasised sensible Bitcoin performance in areas reminiscent of service provider funds, social platforms, identification protocols, and Nostr-based purposes.
Key traits noticed throughout submissions included:
Lightning as an interoperability layer — Builders steadily paired Lightning with protocols like Nostr and Cashu to allow worth switch between techniques with out altering native designs.
Choice for plugins over deep integrations — Members favored light-weight plugins for content material administration techniques, boards, sport engines, and creator instruments. This strategy allowed sooner deployment, unbiased iteration, and lowered dependence on upstream maintainer approval.
The winners chosen by a panel of judges, together with Abubakar, Giacomo, Jeff, Kevin, Keyan, Lisa, Roy, and Subash. Prizes have been paid in Bitcoin.
$3,500 Prize Winners
BTCPay Server plugin (Workforce: Aljaz) — The plugin permits Lightning funds on BTCPay Server, the open-source fee processor utilized by retailers globally, by leveraging the Breez SDK. It eliminates the necessity for operators to handle a full Lightning node, together with channel liquidity, whereas sustaining self-custodial Bitcoin performance.
Evento (Workforce: Brianna, Andre, and Aaliyah) — Lightning was added to Evento, a social occasions platform for neighborhood constructing. Customers can tip contributors, help hosts, ship/obtain sats, and work together with companies like Bitrefill purchases immediately within the app, enabling peer-to-peer worth circulation inside occasions.
Portal (Workforce: Alessandro, Gianluca, Gabriele, and John) — The crew built-in the Breez SDK into Portal, a protocol and cell app for identification and funds. Lightning turns into a local protocol characteristic, permitting any software constructed on Portal to inherit ship/obtain Bitcoin capabilities.
Primal (Workforce: Daniel) — Lightning was integrated into the Primal net shopper, a broadly used Nostr software. The Breez SDK supplies a self-custodial pockets expertise, changing a earlier custodial onboarding course of that required KYC and will fail as a consequence of location or e mail restrictions. Onboarding now requires no private info and completes in roughly one minute.
$1,000 Prize Winners and Particular Mentions
Extra $1,000 awards went to initiatives together with:
Particular prizes from Draper College and PlebLab acknowledged further contributions in schooling gamification and Nostr-focused wallets. Winners of those particular costs have been:
Lib de Satoshi & B4OS — A neighborhood platform that built-in Lightning to gamify schooling. Rewarded by DraperU.
Sparkihonne — A Nostr-focused pockets expertise mixing identification, messaging, and funds. Rewarded by PlebLab.
Different notable non-winning submissions included Sabi Pockets, Backend for CDK mints, Jumble, Breez MCP Server – Docker Catalog, CoFi Lab, OpNode, and BitNGN.
The problem demonstrated rising developer curiosity in embedding Bitcoin funds the place customers already have interaction, notably via plugins and Lightning as a bridging layer. Organizers said that future improvement will rely on continued builder participation in areas reminiscent of messaging apps, wallets, and new purposes.
The Breez crew shared their enthusiasm in a press launch with Bitcoin Journal, saying; “For us, the following steps are clear. The period of constructing has begun. Whether or not which means including Bitcoin to messaging apps like Sign, integrating it into main crypto wallets, or bringing Lightning into fully new apps with use circumstances we’ve but to dream up, we will’t wait to see what you do subsequent. It’s time to construct.”
