Why BPS Matters More Than TPS: How Starcoin Keeps Blocks Fast — and Stable

When people measure a blockchain’s performance, they usually talk about TPS (Transactions Per Second). But in DAG-based chains, TPS is the outcome — not the foundation. The real performance driver is BPS: Blocks Per Second.

The faster the blocks come, the more transactions the network can potentially handle in parallel. But uncontrolled block speed leads to chaos: red blocks multiply, the DAG graph diverges, consensus gets harder, and sync becomes unstable. In other words, high TPS is meaningless if the chain can’t sustain it.

Most blockchains use a fixed block time — for example, one block every two seconds. It’s simple, but rigid. It doesn’t adapt to actual network conditions. When blocks are created faster than they can be propagated and confirmed, the entire system suffers.

Starcoin takes a smarter approach. Its FlexiDag mechanism introduces dynamic, real-time block pacing. Instead of using a hardcoded block interval, FlexiDag continuously adjusts block speed based on actual conditions — such as blue block density, network propagation delay, and consensus health.

What does this mean in practice?

• Faster when safe: If the system is healthy, FlexiDag speeds up — unlocking the network’s true potential
• Slower when needed: If signs of overload appear, it slows down — protecting DAG structure and sync
• Always adaptive: It’s algorithmic and autonomous, with no manual tuning or centralized control

This shift from TPS to BPS — and beyond to adaptive control — is what makes Starcoin’s architecture so powerful.

In a world chasing blockchain speed, FlexiDag shows that performance isn’t just about going fast — it’s about going smart.

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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