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 #21421121 · ArcScan

Block

#21,421,121

2026-09-18 01:38:07 UTC

FinalizedProposed 53 days ago

Block recordRPC · eth_getBlockByNumber

Block height: 21,421,121
Timestamp: 53 days ago · 2026-09-18 01:38:07 UTC
Transactions: 0 transactions in this block
Block hash: 0x1b8c38b65239956f7361440c54ddd566fbb0a3fc8e3ff24161a6e9d24b8c7d28
Parent hash: 0x16827dee…63e0fc05
Proposer

Transactions in this block0 of 0 shown

No transactions

Block #21,421,121 on Arc Mainnet is empty.

0x3286a95d…267ad7c8

Gas used / limit

24.2%7,264,352 / 30,000,000

Base fee

20 gwei

State root

0x0bd10a024813…6afe061d5543

Transactions root

0x359a9503f4f5…a05f956f142f

Receipts root

0xb91c2b36bc0d…3772bb6b05fc

Nonce

0x0000000000000000

Extra data

0x00000004a817c800