This code implements RSA encryption—the foundation of secure communication.
In the 90s governments classified it as a weapon & tried to ban its export.
Bitcoin uses digital signatures, applying these same public-key cryptographic principles to secure the network.
Math won.
Wear the math they couldn't ban. Support the principles that Bitcoin is built on.
Limited edition RSA t-shirt available now.
https://store.blockstream.com/products/rsa-t-shirt-2025-limited-edition
Wear the math they couldn't ban. Support the principles that Bitcoin is built on.
Limited edition RSA t-shirt available now.
https://store.blockstream.com/products/rsa-t-shirt-2025-limited-edition