# Protocol

The Tashi protocol consists of two primary components:

| Component   | Purpose                | Key Feature                                   |
| ----------- | ---------------------- | --------------------------------------------- |
| **Vertex**  | Peer-to-peer consensus | Sub-100ms Byzantine fault-tolerant agreement  |
| **MeshNet** | Network layer          | Peer discovery, NAT traversal, relay services |

Together, these components enable real-time coordination without central authority.

## In This Section

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Overview</strong></td><td>How Tashi achieved consensus for real-time applications</td><td><a href="/pages/rmmwPx1G8jJ0WwIHAacS">/pages/rmmwPx1G8jJ0WwIHAacS</a></td></tr><tr><td><strong>Consensus</strong></td><td>The Vertex consensus algorithm: gossip-about-gossip and virtual voting</td><td><a href="/pages/uCsHjaZndmpedYl42zZz">/pages/uCsHjaZndmpedYl42zZz</a></td></tr><tr><td><strong>MeshNet</strong></td><td>Network layer: peer discovery, NAT traversal, and relay</td><td><a href="/pages/18Nor8d731fmIwSgFfDj">/pages/18Nor8d731fmIwSgFfDj</a></td></tr><tr><td><strong>Proofs of Coordination</strong></td><td>Cryptographic verification of coordination outcomes</td><td><a href="/pages/QvPKFJkbwgvxmurr2TYT">/pages/QvPKFJkbwgvxmurr2TYT</a></td></tr></tbody></table>

## Design Principles

Tashi's protocol embodies several key principles:

| Principle                    | Implementation                                           |
| ---------------------------- | -------------------------------------------------------- |
| **Leaderless**               | No single node controls transaction ordering             |
| **Byzantine fault tolerant** | Operates correctly with up to 1/3 malicious participants |
| **Fair ordering**            | Events ordered by collective network witness             |
| **Fast finality**            | No probabilistic finality or reorganization risk         |
| **Gasless**                  | No per-transaction fees for coordination                 |


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