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 #21366721 · ArcScan

Block

#21,366,721

2026-09-17 17:58:21 UTC

FinalizedProposed 41 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,366,721
Timestamp: 41 days ago · 2026-09-17 17:58:21 UTC
Transactions: 0 transactions in this block
Block hash: 0x12d25612a5651fb387dcb91333719a85a3036b3ab496d32a76991a398e700da0
Parent hash: 0xa373536f…b94a985d
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,366,721 on Arc Mainnet is empty.

0x3286a95d…267ad7c8

Gas used / limit

40.7%12,218,930 / 30,000,000

Base fee

20 gwei

State root

0x486315a4d2d2…f11c09cf1557

Transactions root

0x18089688e679…478b68aff441

Receipts root

0x913405d9e0aa…54a1f5248500

Nonce

0x0000000000000000

Extra data

0x00000004a817c800