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 #21521017 · ArcScan

Block

#21,521,017

2026-09-18 15:42:31 UTC

FinalizedProposed 22 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,521,017
Timestamp: 22 days ago · 2026-09-18 15:42:31 UTC
Transactions: 0 transactions in this block
Block hash: 0xb94bec3bd9e453f01757c74eefd0a134896eed6b201111f82af3b252f6dddca0
Parent hash: 0xa77677cc…b42d5a9a
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,521,017 on Arc Mainnet is empty.

0x3f37c5a8…4cf35c8c

Gas used / limit

4.7%1,420,631 / 30,000,000

Base fee

20 gwei

State root

0x0ef465e97ffd…43a21ccf18d6

Transactions root

0xa76bb1b0e600…dbe79950c433

Receipts root

0xc513c7b87f80…dc7485667a1c

Nonce

0x0000000000000000

Extra data

0x00000004a817c800