Long-Time Investor: IOTA is Centralized, Single Point of Failure Exists

An early-age IOTA investor has claimed that the project is centralized and is exposed to a single point of failure.
Limo, who runs an IOTA-specific blog called TangleBlog.com, identified issues related to how IOTA’s data structure operates. The project uses Tangle, a Directed Acyclic Graph, known as a DAG, whose primary purpose is to hold transactions. Unlike a Proof of Work (PoW) blockchain, which enables an entire network to confirm blocks carrying transactions, IOTA’s Tangle does