I’ve been running opcode composition experiments (e.g. CAT+CSFS, IK+CSFS) on signet.
Related: #130613, #130598, Delving thread
In several cases, the script validates correctly, but still feels structurally unsafe
(e.g. replay, cross-UTXO reuse, weak binding).
My question:
How do experienced developers recognize these issues early, before they turn into real vulnerabilities?
In particular, how do you reason about whether a construction is “too general” or insufficiently bound?
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