Now

• [ OK ]2026-10Zappy Bitty ↗

  A one-tap game where bitty flies through candlestick charts. 14 zones, a shop, achievements and rankings are live. Real sats now work, with Lightning payments confirmed by Nostr zaps.

• [ .. ]2026-10HODL Pet

  A pet game where bitty lives in the corner of your screen. The demo is done. Preparing to feed real cats over Lightning.

• [ .. ]2026-10Hodl me Tight

  Working on a school romance visual novel about bitcoin.

• [ .. ]2026-10Noroshi

  Building Noroshi, a beacon-themed Nostr client for iPhone, Mac and web. DMs, a Japanese feed, zaps and 24-hour "smoke" stories.

• [ .. ]2026-10machuu wallet

  A self-custody wallet for Lightning, on-chain and Cashu on one screen. In beta, moving to a new pop design.

• [ .. ]2026-10Bitcoin History

  Remaking a beginner site on bitcoin history as a manga, with guides to people and open source projects.

• [ >> ]ongoingTokyo Bitcoin Base

  Working as staff, and hosting beginner-friendly hands-on sessions on hardware wallets and self-custody.

• [ >> ]ongoingX ↗

  Sharing bitcoin news and stories about bitcoiners from around the world, in Japanese.

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