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Slow Blocks
Unisex tee · XS–3XL
$39.99
Hover to zoomBitcoin v0.1 January 2009 T-Shirt
$39.99
An orange 3.5-inch floppy disk above BITCOIN v0.1 and JAN 2009, a retro nod to the first public release.
- Unisex tailored fit, sizes XS–3XL
- Free US shipping over $75, $4.99 below
- 30-day size exchanges on unworn tees
About this design
An orange outline 3.5-inch floppy disk with a shutter and a label rectangle and no lettering on the disk sits above BITCOIN v0.1 and JAN 2009 in two lines of bold white type. No Bitcoin symbol appears on this design.
Fabric, fit & print
| Material | Airlume combed & ring-spun cotton |
|---|---|
| Fit | Unisex tailored crew neck |
| Printed to order | |
| Sizes | XS, S, M, L, XL, 2XL, 3XL |
| SKU | BC-FLOPPYDISK |
Shipping & exchanges
Ships in 3–4 business days, tracked. See the shipping policy and returns & exchanges.
The story
Behind the Bitcoin v0.1, Jan 2009 tee
Bitcoin's first public release arrived in January 2009 as a single program. This tee marks the date with an orange floppy disk, the square storage shape many people once trusted with their files.
The first public release of Bitcoin's software was announced on a cryptography mailing list in January 2009, at 19:27 UTC on January 8. Wikipedia lists the release as January 9, which is how time zones ahead of UTC see it. The first version ran only on Windows, and its code was open source, written in C++. This shirt uses only the month and year, JAN 2009, and treats the floppy disk as a simple picture of early computing.
A retro computing swap, a Bitcoin history talk or a dinner where you want to explain why the date matters is the right setting. The floppy disk reads as old-school tech to everyone, so the shirt starts a history lesson without making anyone sit through one.
Questions
About this design
When exactly was the first release announced?
It was announced on a cryptography mailing list at 19:27 UTC on January 8, 2009. Some sources list January 9 instead, because that is the date in time zones ahead of UTC. The shirt avoids the mix-up by printing only the month and year, JAN 2009, so the date reads the same everywhere.
What set the v0.1 release apart from later versions?
It was the first public version, so it is the starting point for everything after it. It ran only on Windows, and the code was open source, written in C++, which let anyone read it. The tee does not claim any feature or performance. It just marks the day the software first went public.
Does the floppy disk point to a real product or brand?
No. It is a plain outline drawing of a 3.5-inch floppy disk, with a shutter and a label area but no lettering and no logo. It stands for early computing in general and is not connected to any disk maker, software company or person. Nobody endorses the shirt.
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