Unpopular opinion: "𝗽𝗮𝘆 𝗽𝗲𝗿 𝗰𝗮𝗹𝗹" 𝗶𝘀 𝘁𝗵𝗲 𝘄𝗿𝗼𝗻𝗴 𝗺𝗼𝗱𝗲𝗹 𝗳𝗼𝗿 𝗵𝗮𝗹𝗳 𝗼𝗳 𝗔𝗜. Think about how you'd bill an LLM. You don't know the cost until the answer is written. Or a data stream that fires hundreds of tiny requests a minute. One flat price per request breaks in both cases. What I like about x402 in Bank of AI is that it doesn't force one shape. The docs list different schemes for different jobs: ➜ 𝗲𝘅𝗮𝗰𝘁: pay the advertised amount, simple and predictable ➜ 𝘂𝗽𝘁𝗼: sign for a maximum, the server settles only real usage. Built for 𝗺𝗲𝘁𝗲𝗿𝗲𝗱 𝗯𝗶𝗹𝗹𝗶𝗻𝗴 𝗮𝗻𝗱 𝗟𝗟𝗠 𝘁𝗼𝗸𝗲𝗻 𝘂𝘀𝗮𝗴𝗲 ➜ 𝗯𝗮𝘁𝗰𝗵-𝘀𝗲𝘁𝘁𝗹𝗲𝗺𝗲𝗻𝘁: deposit once, pay many requests with off-chain vouchers, settle in 𝗼𝗻𝗲 𝗯𝗮𝘁𝗰𝗵 𝘁𝗿𝗮𝗻𝘀𝗮𝗰𝘁𝗶𝗼𝗻, with a refund path ➜ 𝗲𝘅𝗮𝗰𝘁_𝗴𝗮𝘀𝗳𝗿𝗲𝗲: TRON only, pay in USDT or USDD 𝘄𝗶𝘁𝗵𝗼𝘂𝘁 𝗵𝗼𝗹𝗱𝗶𝗻𝗴 𝗧𝗥𝗫 𝗳𝗼𝗿 𝗴𝗮𝘀 That's the difference between a payment demo and a payment system. 𝗥𝗲𝗮𝗹 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀𝗲𝘀 𝗱𝗼𝗻'𝘁 𝗮𝗹𝗹 𝗰𝗵𝗮𝗿𝗴𝗲 𝘁𝗵𝗲 𝘀𝗮𝗺𝗲 𝘄𝗮𝘆. If you're building an AI service, which one fits you: 𝗲𝘅𝗮𝗰𝘁, 𝘂𝗽𝘁𝗼 𝗼𝗿 𝗯𝗮𝘁𝗰𝗵? @justinsuntron @AINFTcom #TRONEcoStar