BSV Hackathon

2nd Bitcoin SV Hackathon

The second Bitcoin SV Hackathon took place over the weekend of 17 – 19 August 2019, with entrants tasked with designing inventive ways for users to use Bitcoin SV to earn value.

Organised By: Bitcoin Association
Run By: nChain
Sponsored By: Ayre Ventures
Projects Submitted
Prize Pool

The Hackathon reached its conclusion at the CoinGeek Seoul Conference, which took place on 1-2 October.

Three amazing projects were presented during Day 1 of the conference, and it was Codugh, led by Shashank Singhal and Andrew Snow, winning the US$ 20,000 top prize. Hive took second place and US$ 10,000, followed by BitQ&A in third place with US$ 5,000.



With APIs becoming both increasingly prevalent and varied, Codugh provides a straight-forward system to connect API developers with users, while allowing microtransaction-based options for monetization based on successful API calls.

In 2020, TAAL Distributed Information Technologies – the publicly traded transaction processor and blockchain services firm – announced that they had acquired a 20% stake in the business.


Hive is a “beehive” that connects information added by individuals around the world. Every content node containing the information needs one or more linked nodes and for every link to a node, it has a dynamic cost. The users are notified when new content is added, and the information is fetched directly from the blockchain.


BitQ&A is an application where one can ask a question or answer the ones submitted by other people. Think Quora or StackOverflow with a Bitcoin-based incentive model.

A bounty is put on a question and payment is required to respond, so it encourages high-quality answers and alleviates spam. Answers are voted on and funds are distributed to the author of the best answer and previous voters.

Test New Line



The problem with using BSV as a backend is that all apps using BSV will need a server to scrape the OP_RETURN data. If they use other people’s servers, they won’t be able to guarantee uptime or lack of tampering (node operators have the biggest incentive to tamper). Because customers can’t see what’s going on with the developers code, they may or may not be correlating two very vital pieces of information: your BSV account and your real life identity. In 10 years, these vital tuples will be worth quite a bit to ne’er-do-wells; with this info they will set out to hunt you down if you have a big enough stack! Sourceshare aims to let BSV developers prove what code they’re running to gain trust and goodwill, and it would be a good best practice to implement ASAP.


TrueReviews solves the incentive problem for online reviews. Today, there is little to no incentive to leave accurate and detailed reviews for locations, restaurants, events, and more. TrueReviews solves this problem by allowing users to be tipped for reviews that they post, but also earn rewards from businesses and other users for posting high quality reviews. TrueReviews replaces the fake internet points economy that governs other reviewing sites with a real market-based economy where users earn money for contributing high-quality content.

Use small amounts of BSV, and read payable content just by scrolling.
Ask The World

Ask The World allows you to use your BSV to improve the aggregate wealth of knowledge to all those who participate in this Society. Leveraging market forces to get the answers you need, think Stack Overflow & Quora – but without the poisonous attention seeking ads. In this society there are a lot of talented people, and their time is precious. There exists an information problem when it comes to solving “where can I have the most impact in this moment”. Ask The World is a platform which allows participants to see where their expertise can be best met with real demand. Freelancers, Historians, Philosophers, and Lumberjacks can all use their BSV here. Whether it’s £200 to solve a critical malfunction, or £0.10 per person to crowd source the finding of the long lost painting: Ask The World – use your BSV and ye shall Receive.


Tape Recorder

Tape Recorder records your application as it runs on your device and stores the application execution as Bitcoin Script. Tape Recorder makes it simple and easy to use Bitcoin to record everyday activities with full attestation of code execution.


Terminus is where human knowledge will be stored and monetized. Terminus is a Question and Answer framework where the incentive is not just prestige but money. In Terminus curiosity and knowledge are rewarded. Terminus is stored in bitcoin metanet, public to anyone forever.

The Fast Company Ecosystem

A roadmap for a BSV incubator and ecosystem. Create a tokenized smart contract model that attracts investors and makes it easy to support seedling companies.


PollSV enables the world’s first trustless polling marketplace. PollSV is a polling system that utilizes the blockchain and a powerful incentive structure that encourages users to spend Bitcoin to vote on user created polls. Simply put, if the user votes for the winning side of a poll they receive the losing side’s contribution to the poll. Poll creators also receive a portion of the poll reward.


Our project bounties questions using BSV. Users log in with money button, ask a question, and set a bounty for the question. Other users can answer the questions. The user that submitted the question can select the best answer to receive the bounty. This can can be general questions, or very technical questions. We would hope to gain users from both the general community and the technical community.

Supply Management System

One key usage for the Blockchain is supply chain management. There have been issues with providers trying to track their shipments, and they get counterfeit, bad quality or not the original item. The countermeasure with certificates that costs millions, are easily faked and are not effective. This project is a solution to this problem, effectively:

Allowing to review the item by the author along it’s route:

  • in realtime
  • in the most secure fashion
  • with almost no cost (less than 0.01$ per tx)
  • with gps coordinate
  • immutably and verifiably on the BSV Blockchain
  • provably honest and true tx
SVPairs is a simple pairs card game running on the blockchain. An Oracle deals card shuffles and posts game-state updates on-chain. The user interacts with the game by posting actions on transactions. The user also pays a small fee to flip cards, when a match is found the oracle pays the user a reward instead.
This application aims to build new bottom-up approaches for the social knowledge Web, which can be regarded as the collaborative result of individuals contributing their personal knowledge to a collective web.
Kabete Co-Op Management
Small-scale co-operatives in developing countries typically manage interactions with their members using log entries on small paper cards. This project aims to build an on-chain records-management system tied to mobile identity.

Honest polling with Bitcoin

What’s it all about?
It is hard to know if a poll is being taken with the right cross-section of audience that makes the outcome relevant to us. More and more we look to the public conensus to help guide our daily decisions, and to do this accurately and reliably is becoming increasingly more difficult.

How does BitPoll help?
BitIndex is the first Bitcoin enabled polling system that allows you to set up your own polls, and earn real money for each vote you receive. USers who are passionate about the issues will donate small micro-payments at a time, enough to attract a motivated and meaningful audience.

Users can now browse a stream of polls that they know were paid for by the poll-owner, and then choose which ones they feel passionate enough about to commit a small micro-payment to vote. This leads to a self-moderated outcome of quality results, authenticated and decentralized, ensuring accuracy and a public option you can trust.

Enabled with economy
The great equalizer for all public services is payments. If people are motivated to pay for something, the quality of the results are massively increased. People will not pay even a small amount unless they are motivated and invested in the outcome.

Why Bitcoin?
Paying for anything is complicated. If it’s cash, you have to be there in person. If it’s online, you need to fill out credit card info. Plus, many services that are enabled through MICRO-payments are not possible with traditional payment systems. Bitcoin makes services like BitPoll possible by enabling users to both earn and transact in small, easy payments that open up whole new online economies and utilities that will benefit the world like never thought possible.

The fees
It’s simple. It costs you a $1 worth of BSV to create a poll, but you earn $3c for every vote received. If your poll is popular, you can start to calculate your earnings.”
We are accumulating plastic everywhere and there are already a lot of alternatives. By creating projects and providing them with the support we contribute to reducing the problem of the plastic waste.

The Judges

Thank You for Playing a Big Part in the 2nd BSV Hackathon

We want to thank all the participants that helped make the 2nd BSV Hackathon an inspiring and massively successful event! The quality of entries was so high that the judges named 14, rather than the originally expected 10, semi-finalists.

Jimmy Nguyen, Founding President of Bitcoin Association, explains: “We are thrilled that over 200 developers from 19 countries around the world joined the hackathon to build on BSV. We were especially excited to see the entrants’ diverse and creative range of on-boarding solutions, many of which could form the basis for successful BSV ventures. This reinforces why Bitcoin SV is the rebirth of the original Bitcoin, enabling developers to finally unleash the true power of Bitcoin’s original design, protocol, and Satoshi Vision.”



14 July

Registrations Open

11 August

Registrations Close

17 August

Virtual Hackathon Begins

2 October

Hackathon Finale at CoinGeek Seoul

Three Finalists

After the virtual hackathon, three finalists were chosen.

Flight to Seoul, Korea

The finalists were flown to the CoinGeek Seoul Conference to present their projects live.

Who Decided the Winner

A panel of judges, and the live audience, decided the outcome.