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 way of 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 spread of plugins, instruments, and integrations designed for long-term use relatively than one-off demonstrations. The problem emphasised sensible Bitcoin performance in areas comparable to service provider funds, social platforms, identification protocols, and Nostr-based purposes.
Key developments 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 without altering native designs.
- Desire for plugins over deep integrations — Individuals favored light-weight plugins for content material administration techniques, boards, sport engines, and creator instruments. This strategy allowed sooner deployment, impartial iteration, and decreased 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 (Group: 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 (Group: Brianna, Andre, and Aaliyah) — Lightning was added to Evento, a social occasions platform for group constructing. Customers can tip contributors, assist 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 (Group: Alessandro, Gianluca, Gabriele, and John) — The group 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 (Group: Daniel) — Lightning was included into the Primal net shopper, a broadly used Nostr software. The Breez SDK gives a self-custodial pockets expertise, changing a earlier custodial onboarding course of that required KYC and will fail as a result 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
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 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 identification, 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 have interaction, significantly by way of plugins and Lightning as a bridging layer. Organizers acknowledged that future improvement will rely upon continued builder participation in areas comparable to messaging apps, wallets, and new purposes.
The Breez group shared their enthusiasm in a press launch with Bitcoin Journal, saying; “For us, the subsequent 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 instances we’ve but to dream up, we will’t wait to see what you do subsequent. It’s time to construct.”
