XDAG is an avant-garde distributed ledger technology based on the directed acyclic graph (DAG) infrastructure. It is the premier community-driven DAG+POW project that can be mined, with the major network launched in January 2018. XDAG has an approximate maximum supply of 1.446294144 billion without any private placement, initial coin offering, or project sponsor. Thus, it embodies a genuinely decentralized, efficient, secure, and equitable sentiment, developed and maintained by blockchain enthusiasts from around the world.