Nostr Web Client

Multiples keys. One signature. Can set thresholds (2of3, etc.) For signing.

"If 3 of 4 leaders of the community agree, the note is signed"

Requires the leaders aka guardians, to run servers. Like ditto. Maybe. Server could be run by others but not ideal security.

All in a fedimint module.

https://conduition.io/cryptography/frost-byok/

TheGrinder 1y ago

on a 3/4 how is collusion prevented? Seems a very small circle to "trust"

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Discussion

average_bitcoiner 1y ago

It can scale up.

> It's easy to set up and run your own federations. Fedimint is designed to be Byzantine Fault Tolerant so is resilient to m malicious nodes in a federation of 3m + 1 nodes. If you run a federation of 4 guardians you are resilient to 1 malicious guardian, if you run a federation of 7 guardians you are resilient to 2 guardians, etc.

> Fedimint can also be run in "solo mode" with a single guardian. This is useful for testing and development, but is not recommended for production use.

- https://github.com/fedimint/fedimint#running-your-own-fedimint

TheGrinder 1y ago

I just saw. see above.

TheGrinder 1y ago

nvm I found the answer. (t-of-n). this is very good

average_bitcoiner 1y ago

Frost can go variable threshold and cab use Fedimint for signing to get ROAST. Message handling, signing, and nonce negotiation are part of the federated consensus.

TheGrinder 1y ago

thanks for explaining. I'll do some more reading