Arc Mainnet/5042

ArcScan

Independent community block explorer for Arc Mainnet. Gas is paid in USDC; fees are quoted in dollars.

Contract address

Not published yet. The official address will appear here first — verify against this page before interacting with any contract.

Explore

Overview
Blocks
Transactions

Resources

Arc docs
Official explorer

Network

Network: Arc Mainnet
Chain ID: 5042
Gas token: USDC
Block time: ~0.5s
Consensus: Malachite BFT
Execution: Reth

Aggregated analytics are approximate and computed over a recent window of blocks. Independent community explorer. Not affiliated with Circle or the Arc team. Nothing here is financial advice.

Block #21278855 · ArcScan

Block

#21,278,855

2026-09-17 05:35:21 UTC

FinalizedProposed 10 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,278,855
Timestamp: 10 days ago · 2026-09-17 05:35:21 UTC
Transactions: 0 transactions in this block
Block hash: 0xcf2d851a044cb1a035b16a2cc5f837574ecf5e894bee1e045cea8c7564c6e74e
Parent hash: 0x1755caac…6c90b3dc
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,278,855 on Arc Mainnet is empty.

0xb1a19155…2ab19a1b

Gas used / limit

9.9%2,964,161 / 30,000,000

Base fee

20 gwei

State root

0x5f94560b872d…f8d00efcc4e1

Transactions root

0xb3f8083ead63…9f06c5f9e6d0

Receipts root

0xe1c681bd5484…d0ffe13019ab

Nonce

0x0000000000000000

Extra data

0x00000004a817c800