A clarification about Trezor and its new wallet "Safe 3".

While the secure element is not Open-source hardware (OSH), the software is, i.e. the software that runs the OPTIGA Trust M secure element.

It also has a permissive license for bug reporting, which is prohibited in other secure elements on the market.

Infineon on the other hand is a reputable manufacturer.

I am not defending this choice, but it is clearly better than its competitors until the tropic chip arrives.

In the meantime I still consider Jade the best choice with its multi-signature system (Pin + Oracle Secret Server).

Attached data and github repository of the OPTIGA Trust M chip.

https://www.infineon.com/cms/en/product/security-smart-card-solutions/optiga-embedded-security-solutions/optiga-trust/optiga-trust-m-sls32aia/

https://github.com/Infineon/optiga-trust-m

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Discussion

Are there any open source secure elements on the market?

No, see my post above to configure your own Secure Element..🧑😊🦍

Not yet, but https://tropicsquare.com/ is supposedly working on it

$boost

The best option is what I do. I use a #Trezor model T with a #bip39 high entropy 256bits+ #passphrase\password. With #SLIP39 Super Shamir, Shamir Secret Sharing.

I store my passphrase\password #online. In a hardened keepass vault. Locked with a master #password and key file. The key file is not kept online. I can access my #keepass vault with many different clients in a matter of seconds. For example, keepass2android.

My #seed backup it's NOT! stored online. This way I can wipe my wallet. Or use it for cold storage and as a spending wallet. In a highly secure and convenient manor.

In other words. I've created my own secure element. One that's fully open source. And highly #trust minimized. I try not to trust anyone or anything. Secure #Elements are a slippery slope. Unless you work for the #government..πŸ‘ΊπŸ˜©πŸ§‘πŸ˜ŠπŸ¦

Your mileage may vary..πŸ€”

P.S. I also use a pin, and bip39 dummy wallets. Sometimes I add multi-sig too..🀭