Starknet Weighs Becoming a Layer 1 to Chase Quantum Resistance by 2027

Starknet’s Quantum‑Ready Pivot: From Layer‑2 to Layer‑1

In a bold announcement on X, Starknet declared that it is actively considering a transition to a Layer‑1 (L1) blockchain in order to become the first fully quantum‑resistant network by 2027. The move, driven by the twin pressures of quantum computing and AI, would allow Starknet to publish state data directly to its own chain rather than relying on Ethereum’s blobs.

Why Quantum Resistance Matters

Quantum computers threaten to break the elliptic‑curve cryptography that underpins most public‑key schemes. While the timeline for a practical quantum attack remains uncertain, industry observers warn that the window could be closer than many expect. For a network that processes billions of dollars in value, the risk is too great to ignore.

Starknet’s roadmap, released in June, already outlines three phases of post‑quantum upgrades:

1. Cryptographic migration – Replacing Pedersen hashing with BLAKE2 and moving consensus signatures to post‑quantum schemes such as Falcon‑512.
2. Contract migration – Updating existing contracts to use the new cryptographic primitives.
3. Ethereum dependencies – Addressing the bridge messaging layer and blob data availability as Ethereum itself migrates.

These steps set the stage for a future L1, but the transition would also require a new consensus layer, validator set, and economic model.

The L1 Argument

CEO Eli Ben‑Sasson framed the L1 question as a matter of post‑quantum agility. He highlighted three requirements for a future‑proof chain:

1. Right cryptography – Use quantum‑safe primitives.
2. Crypto agility – Ability to upgrade cryptographic schemes without hard forks.
3. Layer‑1 status – Full control over consensus and data availability.

By becoming an L1, Starknet would no longer depend on Ethereum’s infrastructure, giving it the flexibility to pivot its cryptographic stack as new threats emerge.

Governance and Timing

Starknet’s governance model requires community approval for protocol‑level changes. While the 2027 target is ambitious, the network has not yet set a definitive timeline for the L1 decision. The announcement serves as a signal to stakeholders that the team is seriously evaluating the trade‑offs between staying as a L2 and moving to a self‑contained L1.

Practical Implications for Users

• Security: A quantum‑resistant L1 would protect users’ assets against future quantum attacks.
• Performance: Direct state publishing could reduce latency compared to Ethereum blobs.
• Ecosystem: Developers would need to adapt to a new consensus protocol and potentially new tooling.

Stakeholders should monitor Starknet’s governance proposals and roadmap updates for concrete milestones. The 2027 goal remains a target; actual progress will depend on community consensus and the pace of quantum research.

Looking Ahead

Starknet’s contemplation of an L1 transition signals a broader industry trend: the need to future‑proof blockchains against quantum threats. Whether Starknet ultimately becomes an L1 will hinge on balancing security, performance, and community support. For now, the announcement underscores the urgency of post‑quantum readiness in the crypto space.

---

TL;DR: Starknet is exploring a shift to Layer‑1 to become the first fully quantum‑resistant blockchain by 2027, a move that would give it full control over consensus and data availability but requires community governance approval and significant protocol changes.