Overview Blocks Txns

Arc Mainnet/5042

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Independent community block explorer for Arc Mainnet. Gas is paid in USDC; fees are quoted in dollars.

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Network

Network: Arc Mainnet
Chain ID: 5042
Gas token: USDC
Block time: ~0.5s
Consensus: Malachite BFT
Execution: Reth

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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.

Transaction 0x3c0399ff85… · ArcScan

Transaction

0x3c0399ff85…f77105c4bb

2026-09-16 18:07:57 UTC

SuccessFinalized

0x3c0399ff8532e2104fff6623a5b45bcddd4459ca27aaa3d2e48e9af77105c4bbApprove10 hrs ago

Flowtransfer path

From

0x7d2cc21f…8166805cSender

To

USDCRecipient

Overviewreceipt · block context

Status: Success
Block: #21,197,440
Timestamp: 10 hrs ago · 2026-09-16 18:07:57 UTC
Value: $0 (0 USDC)
Transaction fee: $0.02 (0.022501 USDC)
Finality: Deterministic finality, no reorgs

Input datacalldata

selector 0x095ea7b368 bytes

Included in block0x777a1323…0ed83bde

Method

Approve

Nonce

571

Position in block

7

Gas & feespaid in USDC

Gas used / limit: 27.7%55,438 / 200,000
Effective gas price: 405.8771 gwei
Base fee (block): 203.5422 gwei
Priority fee paid: 202.3349 gwei
Max fee / gas: — (legacy txn)
Max priority / gas: — (legacy txn)
Txn type: Legacy (0)
Event logs: 1 log