# Arbitrum-Nitro

**Published by:** [zak](https://paragraph.com/@zapperdao/)
**Published on:** 2022-08-07
**URL:** https://paragraph.com/@zapperdao/arbitrum-nitro

## Content

Nitro is a significant technical upgrade, bringing changes across the stack that dramatically improve the experience of building on ArbitrumAdvanced Calldata Compression, which further drives down transaction costs on Arbitrum by reducing the amount of data posted to L1.Ethereum L1 Gas Compatibility, bringing pricing and accounting for EVM operations perfectly in line with Ethereum.Additional L1 Interoperability, including tighter synchronization with L1 Block numbers, and full support for all Ethereum L1 precompiles.Safe Retryables, eliminating the failure mode where a retryable ticket fails to get created.Geth Tracing, for even broader debugging support.And many, many more changes.

## Publication Information

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