The term "technology of payment mechanism" refers to the various methods and systems that facilitate payments between individuals or entities. Some synonyms that can be used for this term include payment technology, financial technology, digital payment methods, electronic payment systems, and payment processing solutions. These synonyms indicate the importance of technology in the payment industry, which has become increasingly digital and mobile in recent years. With the rise of new payment technologies like mobile wallets and blockchain-based systems, it is important to stay up-to-date with the latest developments and innovations in the payment industry to ensure smooth, secure, and efficient transactions.