Projects

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Current Projects

Diamond Hands

The Diamond Hands project aims to become one of the top Lightning Network routing nodes in the world while educating and incentivizing users to run a Bitcoin full node in Japan.  Onboarding more than a hundred new full node operators to this date, it has quickly become the largest and most active Lightning Network use community in Japan.

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Bitcoiner Hanseikai

Bitcoiner Hanseikai (‘Bitcoiner review’ in literal translation), is the longest-running and most trusted Bitcoin YouTube channel in Japan. It features notable figures in the industry such as exchange CEOs, startup founders, expert developers, and academics, and is known for holding insightful and honest conversations about Bitcoin and blockchain.

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Nayuta Core

Nayuta Core is one of the most user-friendly, non-custodial mobile Lightning Network wallets. Its non-custodial auto payout feature enables other applications to integrate Lightning Network with ease and unlocks the true potential of Bitcoin’s micropayments. I advise and contribute to the project for product improvement, growth and community management.

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Lightning Crush

Lightning Crush is a simple Candy Crush-like mobile game that tips players small amounts of Bitcoin via Lightning. Utilizing the Nayuta Core’s non-custodial streaming payment feature and Zebedee’s Lightning game SDK, it showcases the potential of Bitcoin micropayments in gaming and is also the best place to get started on Lightning for casual users.

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Bitcoin Lab

Bitcoin Lab is the first and one of the largest Bitcoin and crypto study groups in Japan. As a co-founder of Bitcoin Lab, I have produced content and analyses for over 1000 users over several years. Bitcoin Lab has also won the second-place position in the DMM online salon award in 2017, among all categories in Japan. 

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Past Projects

Bitcoin Dungeon (2014-2018)

As one of the first blogs to focus on Bitcoin-related topics in Japan, it is also one of the first blogs in the world to experiment with user-generated creator tokens to build a unique relationship with its readers.

IndieSquare(2014-2017)

I co-founded IndieSquare and developed the world’s first mobile token wallet with decentralized exchange (DEX) built in. I was responsible for product management, community engagement, and business development.

Book of Orbs(2016-2017)

I have led the development of a mobile token wallet optimized for digital collectibles on the Bitcoin blockchain. My work, including a collaboration with Spells of Genesis and the rarepepe community, was a precursor to the current NFT trend and ecosystem.

HashHub(2018)

I helped found HashHub, a blockchain studio based in Tokyo at the time. I was responsible for organizing one of the largest and most successful community-led crypto conferences in Japan in 2018.

© Copyright 2021 Koji Higashi