Why Arbitrium transaction cost is very high compare to Matic? Rooshee December 03, 2021 21:32 Updated Matic is a sidechain whereas Arbitrum is a rollup. The security differential is what you are paying for when using rollups. Related articles How the fees are calculated on Arbitrum Why does it take 7 days to withdraw the funds bridging from L2 to L1? What is L2 block number based on L1 block number What happens if I send my funds from Arb1 to another network without using a bridge? How many TPS can Arbitrum process? Comments 0 comments Article is closed for comments.