When debugging a ZKP verifier, make sure to keep checking not just that the proof verifies on valid inputs, but also that the proof verification returns an error on invalid inputs (or with nonsensical tweaks to the verification mechanism).

Who remember my cast in below 👇 
Proof of mine Ethereum mining ⚡ I had 86 Ethereum Mining Rig and I rented a warehouse for them. Oldie But Goldies ☑️ Still believe in @vitalik.eth

we love the proofs ✅ did you see mine @vitalik.eth

we love the proofs ✅ did you see mine @vitalik.eth 
https://warpcast.com/tycoonpunks.eth/0x2fd84271

thanks a lot dear 💐 those days good old times..