Jonas Nick

The scratch space has been removed from the public API in #1620.

I didn't close this yet because we still have a scratch space in the code base that we intend to rework.

Why do you want lnd to be able to generate its own certificates? I agree that ideally this should be possible because it feels like it can prevent some use...

@LLFourn Yes that's right. I'm not aware of any problems with the adaptor signature scheme as implemented in the secp256k1-zkp MuSig2 module. The only analysis of its security I'm aware...

I should note that the MuSig2 implementation in libsecp256k1-zkp uses a `secp256k1_scratch_space` in the API which affects attempts to [get rid of the scratch space](https://github.com/bitcoin-core/secp256k1/issues/1302).

Hi @gotcha. It seems like you just want to start `bitcoind`. In that case, you don't need `nix-bitcoin`, you can just run the `bitcoind` provided by nixpkgs. But maybe I...