A DApp can have frontend code and consumer interfaces created in almost any language (just like an application) that can make calls to its backend. Furthermore, its frontend is often hosted on decentralized storage like Swarm or IPFS. There is absolutely no solution to execute code on a receiver/spender contract https://ethgenerator08630.life3dblog.com/28648367/the-best-side-of-enter-your-personal-trx-address