BackgroundCurrently, inscriptions are very popular. Although it may be a "hot cake" to rush in now, I still jumped into the inscription market out of FOMO. After calming down, I had some questions: 1. BTC does not have smart contracts, so how is buying and selling in the inscription market implemented in a single transaction? 2. At the same time, I noticed that the transaction is initiated by the buyer, does the seller not need to confirm the transaction? Doesn't this make the seller vul...