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 #21388921 · ArcScan

Block

#21,388,921

2026-09-17 21:05:56 UTC

FinalizedProposed 42 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,388,921
Timestamp: 42 days ago · 2026-09-17 21:05:56 UTC
Transactions: 0 transactions in this block
Block hash: 0x5a3d3d1e466da4da5bb60ec775f11986550f505ce51f4bc2d6f6504afa786eac
Parent hash: 0x3908ed59…583222d1
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,388,921 on Arc Mainnet is empty.

0x0ef7b969…1a06143e

Gas used / limit

11.7%3,502,296 / 30,000,000

Base fee

20 gwei

State root

0xd57f572761d0…cd7b7d2b245d

Transactions root

0x33bf6fe74673…36c9c5fd2fd8

Receipts root

0xa94dfcdf4d01…2f43ae302ffb

Nonce

0x0000000000000000

Extra data

0x00000004a817c800