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 #21420139 · ArcScan

Block

#21,420,139

2026-09-18 01:29:49 UTC

FinalizedProposed 39 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,420,139
Timestamp: 39 days ago · 2026-09-18 01:29:49 UTC
Transactions: 0 transactions in this block
Block hash: 0x77488beb4509ce4906fd8088f3339b7df5e54b6922aa35402a79af0d416ba0b7
Parent hash: 0xc454ef72…cbcc71e4
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,420,139 on Arc Mainnet is empty.

0x3f37c5a8…4cf35c8c

Gas used / limit

16.0%4,805,541 / 30,000,000

Base fee

20 gwei

State root

0xec3c041c7be7…cb4dee5b62a4

Transactions root

0x23bd39d47704…db8d2faef0ff

Receipts root

0x2580177d565f…59aa6aba90ad

Nonce

0x0000000000000000

Extra data

0x00000004a817c800