bitcoin++
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Hackathon control board Taipei 2025, sovereignty edition

Bitcoin++ Sovereignty Edition

Build something real. Find collaborators, choose a challenge, ship your project, and put it in front of the bitcoin++ community.

Submissions closed How to participate ↓
§ Start here

Three steps from idea to demo.

Everything you need to enter, build, and submit without hunting through the conference site.

  1. 01

    Join a team

    Bring collaborators or add teammates from their bitcoin++ profiles. One person belongs to one project team.

  2. 02

    Choose your build

    Enter the open competition, then opt into any sponsor challenges your project qualifies for.

  3. 03

    Submit your Project

    Add your pitch, team, repository, demo, and supporting links before submissions close.

Team sizeUnlimited
What countsAnything Bitcoin
Challenge entryOptional + stackable
Submissions closed
§ The brief

Welcome to the Bitcoin++ Sovereignty Edition Hackathon!

This is the hackathon site for the bitcoin++ sovereignty edition hackathon in Taipei, Taiwan.

The main hackathon competition will be open ended (overall 1st, 2nd, 3rd). Anything involving bitcoin is fair game. Bonus points for soverignty related projects.

There are optional challenges that hackers may create projects around. Submitting for a challenge is optional, and ALL projects will be considered for the main competition.


Logistics 

 

Tuesday (12/16/25)
Kickoff Presentation: 11:00 AM (GMT+08:00)
Hacking Begins: 11:30 AM

Submission Deadline: 3:00 PM - On Devpost
Report to Expo: 3:30 PM
Judging Expo: 3:45 PM - 5:00 PM - MAX 3 minutes (practice & time yourself)

Wednesday (12/17/25)
Finalist Presentations: 11:30 - 12:15 AM - 5 minutes per team (main stage)
Awards & Closing: 4:45 PM

§ Prizes

Prize pool.

Ranked rewards for the top projects. Challenges can stack on top.
★ 1st place · grand prize
3M satoshis
FrostDAO + 1st Overall — future Bitcoin++ ticket
1st Overall · 3M satoshis
★ 2nd place
2M satoshis
Mi + 2nd Overall — future Bitcoin++ ticket
2nd Overall · 2M satoshis
★ 3rd place
1M satoshis
Functional bitcoin block validation binary + 3rd Overall — future Bitcoin++ ticket
3rd Overall · 1M satoshis
+ Additional awards
[ Award ]

Best Project Built with Shakespeare

1M Satoshis - Shakespeare is platform to build websites and applications with AI in your browser. No downloads, any AI provider, complete freedom and control.

Prizes
Best Project Built with Shakespeare prize 1M satoshis

1M Satoshis - Shakespeare is platform to build websites and applications with AI in your browser. No downloads, any AI provider, complete freedom and control.

[ Award ]

Best use of Bitcoin Dev Kit

1 Million Satoshis - Bitcoin Development Kit (BDK) is a library that allows you to seamlessly build cross-platform Bitcoin wallets without worrying about bitcoin internals. This prize will be awarded to the team with the best usage of BDK.

Prizes
Best use of Bitcoin Dev Kit prize 1M satoshis

1 Million Satoshis - Bitcoin Development Kit (BDK) is a library that allows you to seamlessly build cross-platform Bitcoin wallets without worrying about bitcoin internals. This prize will be awarded to the team with the best usage of BDK.

[ Award ]

Best use of Cryptography

3x Frostsnap Devices (450,000 Satoshi value), Merch for runner-up - For the project with the best use of Rust and/or cryptography tools & libraries. Suggested libraries include secp256kfun, schnor_fun libraries (frost, musig, blind signatures, adaptor signatures), or novel cryptography, etc.

Prizes
Best use of Cryptography prize 450k satoshis

3x Frostsnap Devices (450,000 Satoshi value), Merch for runner-up - For the project with the best use of Rust and/or cryptography tools & libraries. Suggested libraries include secp256kfun, schnor_fun libraries (frost, musig, blind signatures, adaptor signatures), or novel cryptography, etc.

[ Award ]

Best use of Payjoin Dev Kit

400,000 Satoshis - Payjoin is a protocol to scale Bitcoin, save fees, and preserve privacy all at once. Payjoin Dev Kit (PDK) is a library that supports dependable, lightweight, and flexible Payjoins for any Bitcoin wallet or service. This prize will be awarded to the team with the best usage of PDK.

Prizes
Best use of Payjoin Dev Kit prize 400k satoshis

400,000 Satoshis - Payjoin is a protocol to scale Bitcoin, save fees, and preserve privacy all at once. Payjoin Dev Kit (PDK) is a library that supports dependable, lightweight, and flexible Payjoins for any Bitcoin wallet or service. This prize will be awarded to the team with the best usage of PDK.

[ Award ]

Best Design

50,000 Satoshis - For the project with the most intuitive, polished, and visually appealing user experience. Powered by the Bitcoin Design Foundation.

Prizes
Best Design prize 50k satoshis

50,000 Satoshis - For the project with the most intuitive, polished, and visually appealing user experience. Powered by the Bitcoin Design Foundation.

[ Award ]

Most Unnecessary Use Of OpenTimestamps In An Otherwise Serious Entry

42,000 Satoshis - For the project with the most unnecessary use of OpenTimestamps in an otherwise serious entry. Powered by OpenTimestamps. Learn more at https://opentimestamps.org/

Prizes
Most Unnecessary Use Of OpenTimestamps In An Otherwise Serious Entry prize 42k satoshis

42,000 Satoshis - For the project with the most unnecessary use of OpenTimestamps in an otherwise serious entry. Powered by OpenTimestamps. Learn more at https://opentimestamps.org/

[ Award ]

Best Beginner Hack

Tickets to future Bitcoin++ event - Only eligible to teams where EVERY member is a high-school/undergraduate student OR a first-time contributor to open-source bitcoin.

Prizes
Best Beginner Hack — future Bitcoin++ ticket 1 satoshis

One ticket to a future Bitcoin++ event for each winning team member.

[ Award ]

Honorable Mentions

Tickets to future Bitcoin++ event - Awarded to up to 6 “honorable mentions”

Prizes
Honorable Mentions — future Bitcoin++ ticket 1 satoshis

One ticket to a future Bitcoin++ event for each winning team member.

§ The judges

6 judges.

Scoring is handled by the assigned hackathon judges.
Alex Gleason
JUDGE #01

Alex Gleason

Soapbox
Alex Li
JUDGE #02

Alex Li

HRF
Erik
JUDGE #03

Erik

Bitcoin Design Foundation / Cashu
Evan Lin
JUDGE #04

Evan Lin

Judge
Nick Farrow
JUDGE #05

Nick Farrow

Frostsnap
niftynei
JUDGE #06

niftynei

bitcoin++
§ Featured builds

Built in public.

Winning and featured projects from this hackathon. Explore the full gallery →
★ 1st Overall★ Best use of Cryptography

FrostDAO

Unassigned
Cryptographically enforcing chain-of-command. Unlike flat multisigs, FrostDAO requires Rank-0 executive approval for every transaction
rust
Albert_Cheng Cheng
GitHub Docs
★ 2nd Overall

Mi

Unassigned
Mi is a nostr webapp that stores all your events via a local indexedDB-backed relay. Take control of your identity, resisting censorship and maintaining sovereignty at the core unit - yourself.
reacttypescript
Chad Curtis
Demo Docs
★ 3rd Overall

Functional bitcoin block validation binary

Unassigned
Utilizing Utreexo accumulators and the libbitcoinkernel project, I created a binary that takes in and validates a bitcoin block by utilizing utreexo roots and utreexo proof along with the block.
c
K Calvin
Docs