Domain Arrivals
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Featured in Domain Arrivals · 2026-08-15

Bitcoin Puzzle Playing Cards

bitcoinpuzzlecards.com ↗ · Commerce Shelf · score 84.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

Two limited-edition Bitcoin card decks sealed inside a machined acrylic puzzle block that must be solved before the cards can be removed.

Why it surfaced

This is a collector’s object with an unusually coherent mechanism: proof-of-work becomes a physical puzzle, while the decks hide binary code, cryptographic references, Satoshi Nakamoto’s white paper, and jokers that serve as keys. The project also records a striking provenance story, having raised $154,611—773% of its Kickstarter goal—from 1,286 backers in 2018.

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The Two-Tonne Temperature Problem

August 15’s newborn domains include a live-aboard hydrogen airship with a two-tonne lift problem, a Japanese toolbox that explains its assumptions, an advisory-by-advisory Hawaiʻi hurricane archive, and a wedding-gift game about ungrateful poultry.

This is one of 1,000 discoveries in the 2026-08-15 Domain Arrivals issue.

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Three more arrivals

Jordan Draper Games: Small Boxes, Big Worlds jordandrapergames.com

A multilingual catalog of small-box board and storytelling games inspired by Tokyo markets, laundromats, vending machines, trains, and everyday objects.

 PEARLMOTH, Forty Bottles at a Time pearlmoth.store

A Portland studio hand-mixes and pours a 21-shade range of vegan, 10-free nail lacquer in small batches.

 Heirloom Motion: a remembrance from one photograph heirloommotion.com

A paid service that restores a cherished photograph and turns it into a three-to-five-second AI-generated remembrance.