Also use the right flash mapping which happens to be default present on platformio. Time to remove arduino ide and upgrade to pio! A DApp has its backend code jogging over a decentralized peer-to-peer network. Contrast this with an application exactly where the backend code is managing on centralized servers. https://oteldirectory.com/listings12753295/5-tips-about-vanity-address-generator-you-can-use-today