Farcaster Devs

if you could deterministically register an FID then it would be possible to create open extensions of the network that exist off-hubs and are free to use

clients could surface content from this pool of off-hub data and it would be possible pull them onto the protocol on-demand

kinda like gassless mints for FIDs

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wouldn’t you need an MPC service for this? or network extensions would just be controlled by whoever has the signer

on the other hand, MPC is probably easy to set up with an AVS at this point

not really. you can create all the keys and transactions you need offline i.e. 
- ECDSA custody wallet
- pre-signed FID registration transaction  
- EDDSA signer
- pre-signed signer add transaction

whenever you create messages just sign it with the pre-deployed signer like you would a normal farcaster message

it just becomes a question of data availability - you need to make the public keys and pre-signed transactions available somewhere for someone to submit to the onchain registries if they want to add the messages to hubs

someone still has to control the signer privkeys though?

ah i see, this is like a separate fc shard

yeah - the user can store it client side?