Frequently asked questions

Question 1

What is SeedSigner?

Accepted Answer

SeedSigner is categorized as a hardware wallet and cold wallet. SeedSigner is a stateless, air-gapped Bitcoin signing device that can be DIY-built from common components or purchased pre-built, running open-source software to generate wallets and sign transactions via QR codes.

Question 2

Is SeedSigner safe & legit?

Accepted Answer

SeedSigner has not experienced any major scandals, hacks, or criminal charges. SeedSigner is open source and non-custodial, with no stored keys and the memory clears on power off.

Question 3

Who created SeedSigner?

Accepted Answer

SeedSigner was created by a volunteer-driven, community-led initiative with no corporate backing.

Question 4

Where is SeedSigner's company based?

Accepted Answer

SeedSigner is community-built and maintained with no centralized organization or headquarters. SeedSigner has not undergone any rebranding.

Question 5

How does SeedSigner work?

Accepted Answer

SeedSigner runs on a minimalist hardware setup (e.g., Raspberry Pi Zero + display + camera) and works fully air-gapped. SeedSigner loads an OS into RAM, wipes everything on shutdown, and signs transactions by scanning in and out via QR codes. SeedSigner supports creating seeds manually (via dice, camera entropy, or QR templates), multisig setups, various Bitcoin address types, and PSBT review flows.

Question 6

When was SeedSigner launched?

Accepted Answer

SeedSigner was first introduced around December 20 2020.

SeedSigner

Specifications