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3 sats \ 1 reply \ @Scoresby OP 8 Jul \ parent \ on: Breez SDK Spark and Radar Chat: Recovery Phrase Is Not the Same as Self-Custody bitcoin lightning
there is still a data availability dependency

Is this akin to having the keys to a multisig but not having the descriptor?

write
compose
262 sats \ 0 replies \ @justin_shocknet 8 Jul -420 sats
Is this akin to having the keys to a multisig but not having the descriptor?

No, much worse.

A descriptor doesn't change after every tx, you have the descriptor when you setup the key. With fake L2's, your key is useless without server cooperation after every tx.