Also use the proper flash mapping and that is default current on platformio. Time to eliminate arduino ide and up grade to pio! A DApp has its backend code managing on a decentralized peer-to-peer community. Contrast this having an app where the backend code is jogging on centralized servers. Various https://lifewebdirectory.com/listings12752979/helping-the-others-realize-the-advantages-of-tron%E9%9D%93%E5%8F%B7