# Dymension

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**The Dymension Hub** is the decentralized source of truth, security, and liquidity for the network of **RollApps**. The Dymension Hub is a Cosmos SDK Proof-of-Stake blockchain which utilizes the Tendermint Core state replication model for networking and consensus. The utilization of the entire Cosmos SDK stack enables RollApps and the Dymension Hub to natively transfer message across the [IBC-enabled ecosystem.](https://www.mapofzones.com/)

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\&#xNAN;*What is a RollApp?*[​](https://docs.dymension.xyz/learn/rollapps#what-is-a-rollapp)

**RollApps** are modular blockchains that handle transaction processing for their specific application. As the name implies, RollApps are [application-specific rollups](https://vitalik.ca/general/2021/01/05/rollup.html) which are a scaling solution built to increase transaction throughput, reduce the latency, and computational costs of blockchains. Unlike dApps built on generic-purpose rollups, applications built as RollApps are their own application-specific blockchain less the consensus and validator nodes.
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| [Website](https://dymension.xyz) | [Twitter](https://twitter.com/dymensionXYZ) | [Discord](https://discord.gg/dymension) |
| :------------------------------: | :-----------------------------------------: | :-------------------------------------: |

### Our Validator is Up, Stake With Us ! <a href="#stake" id="stake"></a>

{% embed url="<https://explorer.quadblock.net/testnet%20dymension/staking/dymvaloper109f3y2z0q5ltv6ga3psr6sua8hgf5ndezqmh87>" %}
QuadBlock Validator
{% endembed %}

|     Chain Name :     |   `35-C`  |
| :------------------: | :-------: |
|       Prefix :       |   `dymd`  |
| Exponent / Decimal : |    `6`    |
|        Denom :       |   `udym`  |
|     SDK Version :    | `0.45.10` |