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 #21420870 · ArcScan

Block

#21,420,870

2026-09-18 01:35:59 UTC

FinalizedProposed 51 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,420,870
Timestamp: 51 days ago · 2026-09-18 01:35:59 UTC
Transactions: 0 transactions in this block
Block hash: 0xd66347407e6c9768e59670952f8b947787536507121f1f7e931106be009f40e8
Parent hash: 0xfc004fef…c9826dd7
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,420,870 on Arc Mainnet is empty.

0x3f37c5a8…4cf35c8c

Gas used / limit

18.3%5,484,718 / 30,000,000

Base fee

20 gwei

State root

0x5a34b087ac2e…a7e9c1d51694

Transactions root

0xbea23328f1fc…beb178674e8e

Receipts root

0x1689da61d408…b9267fd28c25

Nonce

0x0000000000000000

Extra data

0x00000004a817c800