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 #21421303 · ArcScan

Block

#21,421,303

2026-09-18 01:39:39 UTC

FinalizedProposed 55 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,421,303
Timestamp: 55 days ago · 2026-09-18 01:39:39 UTC
Transactions: 0 transactions in this block
Block hash: 0x39324f47c93cf2660a836a132c44508f74e32eef78c5439a3bc44bb2166333e1
Parent hash: 0x476e6fef…f92e85f7
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,421,303 on Arc Mainnet is empty.

0x5accc00d…37198797

Gas used / limit

29.6%8,866,309 / 30,000,000

Base fee

20 gwei

State root

0x9e1cb50d55ad…3dfbcfcb6bf3

Transactions root

0xce947d612b82…958c7ddd77ca

Receipts root

0x81d7a003e607…51279fc36ca1

Nonce

0x0000000000000000

Extra data

0x00000004a817c800