Hardware WalletsSumo Pick Fact-checked 2026-08-14
Trezor logo

Trezor

Established 2013

The original hardware wallet — fully open source and the reference standard for Bitcoin self-custody.

Trezor invented the hardware wallet category in 2013. Its Model One, Safe 3 and Safe 5 devices run entirely open-source firmware — the most audited in the industry — with Trezor Suite software covering thousands of assets and native Bitcoin-focused features.

Quick facts

Founded

2013

Category

Hardware Wallets

Platforms

Desktop, Web, Android

Key facts

Open source, First hardware wallet

Pros

  • 100% open-source hardware and firmware
  • Longest security track record in the category
  • Excellent Bitcoin tooling and expert community

Cons

  • Older models lack a secure element (newer Safe 5 adds one)
  • Asset support trails Ledger's catalogue
  • Physical attacks on older models require passphrase discipline

Best for

Bitcoin-focused holders who insist on open source

Fees

Hardware from ~US$59; no ongoing fees.

Security notes

Open-source firmware, PIN and passphrase support. Enabling a passphrase (hidden wallet) is the single best upgrade for older Trezors.

open-sourcebitcoinveteran

Frequently asked questions

What is Trezor?
Trezor is The original hardware wallet — fully open source and the reference standard for Bitcoin self-custody. Trezor invented the hardware wallet category in 2013. Its Model One, Safe 3 and Safe 5 devices run entirely open-source firmware — the most audited in the industry — with Trezor Suite software covering thousands of assets and native Bitcoin-focused features.
Is Trezor safe to use?
Open-source firmware, PIN and passphrase support. Enabling a passphrase (hidden wallet) is the single best upgrade for older Trezors. As always, verify details on the official site before trusting funds to any service.
How much does Trezor cost?
Hardware from ~US$59; no ongoing fees. Figures change — confirm current pricing on the official site before deciding.

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