InterLink shipped post-quantum security. The Seoul Private Mainnet runs post-quantum signatures at the protocol level, per @inter_link's launch announcement. Most chains are still publishing roadmaps for this. It sits alongside the human node model, where ITLG staking under

What happened

InterLink announced that its Seoul Private Mainnet now uses post‑quantum signatures at the protocol level, making it the first chain to ship this technology, while most other blockchains are still outlining future plans.

Confirmed

Global impact / market context

Post‑quantum signatures protect against future quantum computer attacks, reducing long‑term security risk for users and developers. Early adoption gives InterLink a competitive edge and may set a benchmark for other networks.

Analyst inference

The broader blockchain market is still in the planning stage for quantum‑resistant upgrades, with many projects publishing roadmaps rather than live implementations. InterLink’s launch could accelerate industry timelines and attract security‑focused investors.

Analyst inference

What to watch

1. Progress of other blockchain roadmaps for post‑quantum security, indicating whether InterLink’s lead will be matched or surpassed. Proposed
2. Adoption rates of the Seoul Private Mainnet’s human node model and ITLG staking, which could affect network usage and token demand. Proposed
3. Regulatory discussions on quantum‑resistant cryptography, as any new standards may influence how quickly chains adopt similar technology. Proposed

Evidence

• x.com