FlexiDAG: Pioneering Scalable and Ethical Blockchain Technology

2 min readJul 16, 2023

Blockchain technology is synonymous with innovation and progress. As it relentlessly evolves, it forges new paths in economic models and reimagines trust, transparency, and integrity in online engagements. Starcoin, a trailblazer in the blockchain arena, has unveiled FlexiDAG — a breakthrough solution designed to tackle blockchain’s performance, scalability, and ethical challenges head-on.

Elevating Performance & Scalability

FlexiDAG is at the cutting edge of blockchain technology. It seamlessly combines the concepts of flexibility and Directed Acyclic Graphs (DAG) to enable parallel block creation and efficient consensus. The result? A substantial boost in throughput and system performance.

But that’s not all. FlexiDAG isn’t just about speed and efficiency; it’s a champion for ethical blockchain practice.

Dissecting FlexiDAG: DAG + Flexibility

Let’s break it down. A DAG, or Directed Acyclic Graph, is essentially a network of data points, where each point is connected in one direction, ensuring there are no closed loops.

“Flexi” signifies the versatility of FlexiDAG in transcending the boundaries of traditional Nakamoto consensus. It accomplishes this by evolving into an independent Proof-of-Work (PoW)-based mechanism.

Uncle Blocks: The Unsung Heroes

Central to FlexiDAG is the innovative use of “uncle blocks”. These are by-products of a network under strain and serve as an indicator of the need for scalability. Interestingly, uncle blocks are valid blocks that didn’t make it onto the blockchain due to network congestion.

FlexiDAG ingeniously recognizes and incorporates these uncle blocks into a highly interconnected subgraph. This approach breaks the chains of serial block production, paving the way for parallel block creation and turbocharging system throughput.

Upholding Trust and Ethics

FlexiDAG is relentless not just in performance, but in its commitment to ethics. It diligently identifies the most interconnected subgraph — a cluster of nodes that demonstrates robust connectivity and integrity. This selection becomes the confirmed blocks added to the chain.

This rigorous approach is crucial in differentiating malicious or illicit blocks from legitimate ones, ensuring unrivaled security against the notorious 51% attacks.

Leading the Charge

FlexiDAG stands as a testament that the blockchain industry can foster innovation without compromising trust and ethics. Starcoin’s FlexiDAG is a giant leap towards a safer, efficient, and ethical blockchain ecosystem.

About Starcoin

Starcoin provides the utmost security from the origin via its enhanced PoW consensus and Secure smart contract, using the language of Move. Through layered and flexible interoperability, it optimizes the building of ecosystems such as DeFi, NFTs, Gaming, etc., with higher efficiency and convenience. This process redefines value by empowering every participant in the ecosystem to enjoy the multiplication of values.

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Starcoin is a proof-of-work blockchain that enables secure smart contracts based on Move to power services in Web 3.0