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ArcticChain lab
ArcticChain lab

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Lattice DA — Secure On-Chain Data Availability Layer

DEV's Worldwide Show and Tell Challenge Submission 🎥

What is Lattice DA?

Lattice DA is a standalone data availability (DA) layer designed to store large and sensitive datasets directly on-chain with verifiable integrity and long-term historical protection.

It is built for scenarios where data correctness, availability, and auditability matter more than execution, including:

Medical or compliance data

GPS and telemetry logs

Documents and records

Bridge, rollup, and cross-chain data

Analytics and audit trails

The problem it solves

Traditional blockchains are not designed for large-scale data storage:

High costs per byte

Limited throughput

Weak guarantees around long-term historical integrity

Off-chain storage systems, on the other hand, lack cryptographic guarantees and require complex trust assumptions.

Teams are forced to choose between cost, security, or availability — rarely all three.

How Lattice DA works

Lattice DA is purpose-built for data:

Hybrid DAG-based data ordering for high throughput

Merkle root verification for cryptographic integrity

PQ keys on genesis and nodes to protect historical data from future threats

Designed for low-cost, large-volume on-chain data storage

Every data batch stored in Lattice DA is:

Verifiable

Auditable

Permanently available

Cryptographically linked to chain history

This makes Lattice DA suitable as a foundational data layer for Layer 1s, Layer 2s, enterprises, or regulated environments.

Why it matters

Lattice DA enables teams to:

Store sensitive or high-volume data on-chain

Prove data authenticity at any point in time

Reduce infrastructure complexity and cost

Prepare data systems for long-term historical security

It is not an execution layer.
It does one thing extremely well: secure, scalable, verifiable data availability.

Demo

You can explore a live demo here:
👉 https://latticedemo.lovable.app

The demo showcases how data is structured, stored, and verified within the Lattice ecosystem.

⬇️ Pitch Video ⬇️

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Notes for reviewers

This project is actively developed and tested

Internal repositories include test results and validation data

Source code is not public to protect the architecture at this stage

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