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Lattice

What Lattice is

Lattice is a network of permissionless proof-of-work ledgers arranged as a tree. Nexus is the root. Anyone can add a child chain beneath any chain they host, with one command and no approval. Miners merge-mine: one search counts on every chain they choose to mine.

Each chain validates its own blocks, owns its own parameters, and runs its own fork choice. A child receives only the verified work that actually commits it; it does not inherit all of Nexus’s hashpower.

What an app on Lattice is made of

Section titled “What an app on Lattice is made of”
  1. A chain, usually its own child chain, such as Nexus/<app>.
  2. Key–value state on that chain. Every write names the value it read, so writes are compare-and-swap.
  3. A WASM validity policy that accepts or rejects writes. Policies are not smart contracts: they cannot hold funds or change state, and there is no gas metering.
  4. A client, often a static web page, that reads verified state and writes through the user’s wallet.

An app does not always need its own chain. A chain enforces exactly one set of rules, so a chain of its own buys custom rules, isolation from other apps’ traffic, and its own fees and limits.

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