Newsletter time - check out some photos from the design track at the BTC Prague dev/hack/day, along with the usual updates.

Bitcoin Design Newsletter #76

BTC Prague dev/hack/day, ₿-only format, AI workshops, and more.

The Units & Symbols page in the Bitcoin Design Guide got a small addition to discuss BIP-177, a proposal to redefine bitcoin's base unit. What do you make of it?

Bitcoin Design

Units & symbols

How to display and format bitcoin and currency units in bitcoin applications.

Kicking off.

BTC Prague dev/hack/day is today. Hope you see you around.

BTC Prague

dev/hack/day - BTC Prague

Here's the schedule for the users track at @BTCPrague dev/hack/day, coming up next week on June 18.

We have a call with and about @BTC Map coming up in a few hours. Join us.

GitHub

Design Review Call #42: BTCMap · Issue #804 · BitcoinDesign/Meta

UTCTime: 2025-06-11 13:00 UTC Duration: 1 hour Agenda 1) Main goals of the call To get some actionable recommendations on how we can improve the UX...

The latest newsletter is out. Published via Nostr (thanks to Yakihonne). Check out what has been happening in the community.

Yakihonne

Bitcoin Design Newsletter #75

User research, Design x AI, Payjoin V2, BTC Prague, and a whole lot more.

Do you enjoy refreshing time locks with Payjoins? No clue what that means but interested in keeping bitcoin secure and design? Join our call today at 14:00 UTC.

GitHub

Liana payjoin UX call · Issue #803 · BitcoinDesign/Meta

UTCTime: 2025-06-03 14:00 UTC Duration: 1h Agenda Liana is a bitcoin-only wallet built for security and recovery. Liana lets you set up your own re...

Congrats to Arcana Seed Lodge for taking home the best design prize at the Bitcoin 2025 hackathon. They stood out with a unique concept and execution, mashing up seed phrases, a story-driven experience, pixel art, and personal location-based memories.

Devpost

Arcana Seed Lodge

Brain wallet and optional signer using maps + masonic symbols

Make sure to check out all the other projects here:

Bitcoin 2025 Official Hackathon

Bitcoin 2025 Official Hackathon

Virtual Hackathon for the Bitcoin 2025 Conference in Las Vegas

The prize was sponsored by the Bitcoin Design Foundation:

Bitcoin Design Foundation

We support designers who improve the bitcoin user experience.