There are a bunch of wrapper classes for the witness, which are just there for serialization, but don't really contribute to the learning process. Suggest to use a txinwitness constructor which consumes an array of witness stack elements.
I've expanded his PR to use the new CTxInWitness constructor for all notebooks.
Originally opened by @jachiang at https://github.com/jnewbery/taproot-workshop/pull/2:
I've expanded his PR to use the new
CTxInWitness
constructor for all notebooks.