SeedSigner

DIY stateless Bitcoin signer. Build it yourself. Trust nothing. Own everything.

Zero KYCTrust 92/100

Visit SeedSigner

Best useMaximum sovereigntyWallet / Privacy Tools

KYC postureZero KYCNo account.

Main riskVERIFIEDVERIFIED service. Verify fit before using it for sensitive activity.

Review proofReviewed 2026-06-22KYC checked 2026-06-22 / unknown jurisdiction / official site batch 2 2026 06 22

Trust

VERIFIED

JURISDICTIONUnknown

AUDITED BYNone on record

TRUST SCORE

LAST VERIFIED6/24/2026

LAST UPDATED3/13/2026

Specs

KYC LEVELZero

KYC TRIGGERSNo account. No KYC. Build from commodity parts. No manufacturer trust required.

FEE~$50-70 (DIY parts)

NETWORKSBTC

CATEGORIESWallet, Privacy Tools

BEST FORMaximum sovereignty, DIY hardware, Privacy-first cold storage

FEATURESDIY hardware signer, Stateless (no key storage), Air-gapped QR signing, Open source, Raspberry Pi Zero, No persistent storage, SeedQR backup format, Bitcoin-only

TOR—

REGIONS1 country — Global

About

DIY Bitcoin signing device built from off-the-shelf Raspberry Pi Zero parts (~$50-70). Stateless: powers off with no private key storage. Air-gapped QR code signing. The most sovereign hardware option — no trust in any manufacturer.

Follow the Money

  SeedSigner — Community / Decentralised
  ──────────────────────────────────────
  Team: anonymous volunteer community
  Funders: HRF Bitcoin dev grants
  Revenue: none (free firmware)
  ├─ No company, no manufacturer trust
  ├─ Raspberry Pi Zero parts (~$50–70)
  └─ Stateless: powers off, no key store

SeedSigner — ownership and funding chain

Frequently Asked Questions

Does SeedSigner require KYC or identity verification?

No. SeedSigner does not require identity verification (KYC) for typical usage. No account. No KYC. Build from commodity parts. No manufacturer trust required.

What payment methods does SeedSigner accept?

SeedSigner accepts the following payment methods: BTC.

Is SeedSigner available in my country?

SeedSigner is available in: GLOBAL.

Is SeedSigner based in a Five Eyes country?

The jurisdiction of SeedSigner is not publicly confirmed. Check the provider site for incorporation details.

Is SeedSigner safe to use for privacy?

SeedSigner has a trust score of 92/99 on cunicula.com. It has been independently verified.

Which payment networks does SeedSigner support?

Accepted networks: BTC.

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