# Nova Arbitrum

**Published by:** [Vagabond ](https://paragraph.com/@vietnamngaonghe/)
**Published on:** 2023-04-22
**URL:** https://paragraph.com/@vietnamngaonghe/nova-arbitrum

## Content

Ultra-low transaction costs with high security. Nova powers dapps with high transaction volumes that seek to drive costs even lower.Who Is Nova For?Game Developers Nova is perfect for games, where user actions can mint items on-chain at a high frequency, from currency to personalized assets.kSocial Projects Reddit’s Community Point system is built on Nova, where social applications with many levers for on-chain applications are right at home. Blockchain dApps From NFT ecosystems with high volume requirements, to other projects open to off-chain data storage, Nova suits a wide variety of use cases.Why Nova?Strong Security GuaranteesNova enables ultra-low transaction fees through a new security model that relies on a Data Availability Committee (DAC). Sequencer batches and compresses transactions Certificate of Data Availability provided by Committee Fallback to Arbitrum RollupArbitrum One vs Arbitrum NovaNova is different from Arbitrum One in that the Data Availability Committee receives the transaction data first, with the data going on-chain only if the committee fails. It makes the assumption that at least two committee members are honest.https://www.layerswap.io/What security model does Nova use to enable ultra-low transaction fees? Data Availability Committee (DAC) What types of applications does Nova powerfully support? Both gaming and

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