Printed to order · ships from the USAFree US shipping over $75
Black t-shirt with an orange network plug and cable above I Keep My Own Copy of the Chain in white capitals and a small orange Bitcoin symbol belowHover to zoom

I Keep My Own Copy of the Chain Bitcoin Node T-Shirt

$39.99

An orange network plug and cable above I KEEP MY OWN COPY OF THE CHAIN, a tee for people who run a full node.

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  • 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 network plug with its cable trailing off below it sits above I KEEP MY OWN and COPY OF THE CHAIN in two lines of bold white capitals. A small tilted orange Bitcoin symbol sits centered below the words.

Fabric, fit & print
MaterialAirlume combed & ring-spun cotton
FitUnisex tailored crew neck
PrintPrinted to order
SizesXS, S, M, L, XL, 2XL, 3XL
SKUBC-OWNCOPY
Shipping & exchanges

Ships in 3–4 business days, tracked. See the shipping policy and returns & exchanges.

The story

Behind the My Own Copy of the Chain tee

Running a node means you stop taking someone else's word for the chain. This tee puts that idea on your chest with an orange network plug and its cable, a simple way to say you check things yourself.

A full node downloads the whole block chain, checks every block and transaction against Bitcoin's rules, and keeps its own copy. Bitcoin.org describes the software as a program that fully validates transactions and blocks. A pruned node is a lighter option: it still checks everything, but it deletes older block files and keeps only recent ones. Either way, the node does its own checking instead of trusting a stranger's record. The shirt is a joke about that habit and makes no promises.

Bring it to a home-lab meetup or a coffee with a friend who is thinking about running a node. To anyone who has never heard of block chains, the network cable reads as plain tech gear, so the shirt starts a conversation without a lecture.

Questions

About this design

What is a full node in plain words?

It is a computer running Bitcoin's software. It downloads the blocks, checks each one against the network rules and keeps its own copy of the chain. Nobody has to vouch for the record on its behalf, which is the whole point. Running one takes disk space and patience, and the shirt makes no promise about what you will get out of it.

Is a node the same thing as a wallet?

No. A wallet holds the keys that let you sign payments, while a node checks the chain and the transactions other people make. Plenty of people run both on one machine, but they do different jobs. The shirt is about the checking side, where your own software decides which blocks follow the rules. Keep the two ideas apart when you explain them to friends.

How is this different from the Pruned and Proud tee?

The Pruned and Proud tee swaps the network cable for garden shears and is about a leaner setup. A pruned node still checks every block, then deletes older block files and keeps only recent ones. Both shirts are printed to order on the same black unisex crew neck, so you can pick the one that matches your setup or your sense of humor.

My Own Copy of the Chain$39.99