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 ₿ Network, PlebLab, Geyser, and Draper University. The initiative, which ran from October 7 to November 15, 2025 (with a merge interval by December 16), targeted on integrating self-custodial Lightning Community funds into current open-source purposes utilizing the Breez SDK.
Greater than 50 developer communities worldwide participated, leading to a variety of plugins, instruments, and integrations designed for long-term use moderately than one-off demonstrations. The problem emphasised sensible Bitcoin performance in areas akin to service provider funds, social platforms, id protocols, and Nostr-based purposes.
Key traits noticed throughout submissions included:
- Lightning as an interoperability layer — Builders ceaselessly paired Lightning with protocols like Nostr and Cashu to allow worth switch between techniques without altering native designs.
- Desire for plugins over deep integrations — Members favored light-weight plugins for content material administration techniques, boards, recreation 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 had been paid in Bitcoin.
$3,500 Prize Winners
BTCPay Server plugin (Crew: 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 (Crew: Brianna, Andre, and Aaliyah) — Lightning was added to Evento, a social occasions platform for group constructing. Customers can tip members, help hosts, ship/obtain sats, and work together with providers like Bitrefill purchases straight within the app, enabling peer-to-peer worth circulate inside occasions.
Portal (Crew: Alessandro, Gianluca, Gabriele, and John) — The staff built-in the Breez SDK into Portal, a protocol and cell app for id and funds. Lightning turns into a local protocol function, permitting any utility constructed on Portal to inherit ship/obtain Bitcoin capabilities.
Primal (Crew: Daniel) — Lightning was included into the Primal net shopper, a broadly used Nostr utility. The Breez SDK supplies a self-custodial pockets expertise, changing a earlier custodial onboarding course of that required KYC and will fail on account of location or e-mail restrictions. Onboarding now requires no private data and completes in roughly one minute.
$1,000 Prize Winners and Particular Mentions
Further $1,000 awards went to tasks together with:
Particular prizes from Draper College and PlebLab acknowledged extra contributions in schooling gamification and Nostr-focused wallets. Winners of those particular costs had been:
- Lib de Satoshi & B4OS — A group platform that built-in Lightning to gamify schooling. Rewarded by DraperU.
- Sparkihonne — A Nostr-focused pockets expertise mixing id, messaging, and funds. Rewarded by PlebLab.
Different notable non-winning submissions included Sabi Wallet, 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 interact, significantly by plugins and Lightning as a bridging layer. Organizers acknowledged that future growth will rely upon continued builder participation in areas akin to messaging apps, wallets, and new purposes.
The Breez staff 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 completely new apps with use circumstances we’ve but to dream up, we are able to’t wait to see what you do subsequent. It’s time to construct.”
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