Metal smartcard

This model uses the same J3R180 chip like our PVC model but in a sleek, premium stainless steel card. This model is available in a variety of colors and finishes. This model does not have NFC!

User-programmable smartcard designed to add low-cost, secure-element–backed storage to your DIY self-custody projects.

Features an NXP J3R180 JavaCard compatible with JavaCardOS 3.0.4. The card is delivered unlocked.
Using the SeedSigner smartcard fork makes it easy to install and manage applets on the card.

To use the card with a PC, a smartcard reader is required.

Supports applets such as:

• Satochip – Bitcoin, Ethereum, Litecoin hardware wallet

• Seedkeeper – Password manager

• Satodime – Cryptocurrency bearer card

• Specter DIY – Bitcoin DIY hardware wallet