You write code.
Bitcoin writes history.
This minimalist Developer T-Shirt is part of the Proof of Work Collection — a series dedicated to builders, makers and professionals who shape the world through their craft.
Clean typography.
Strong message.
No noise.
Perfect for developers, engineers, crypto enthusiasts and anyone who believes in decentralized innovation.
• Premium unisex fit
• Soft, high-quality cotton
• Minimal front print
• Designed for everyday wear
Wear what you build.
• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz./yd.² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
• Blank product sourced from Nicaragua, Mexico, Honduras, or the US
Disclaimer: The fabric is slightly sheer and may appear see-through, especially in lighter colors or under certain lighting conditions.
Age restrictions: For adults
EU Warranty: 2 years
In compliance with the General Product Safety Regulation (GPSR), Martin Lassnig ensures that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact us at hodlcalm21@gmail.com










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