Arbitrum One is developed by Offchain Labs. It uses an optimistic rollup approach and is fully EVM compatible, making it developer-friendly.
Stack
Arbitrum Nitro
Cluster
Arbitrum Chains
Type
Optimistic Rollup
Launch Date
August 2021
Gas Token
ETH
Chain ID
eip155:42161
VM
Universal (EVM)
Data Availability
Ethereum (blobs)
Maturity
A network transitioning to being decentralized. A group of actors still may be able to halt the network in extreme situations.
Realtime
Transactions Per Second
248 ms
Block Time
4,968 TPS
All-Time High
5/2/2026 18:44 UTC
295.5 TPS
24h Peak
6/8/2026 18:51 UTC
13.5
Current TPS
12
Transaction Cost
$0.0025
ERC-20 Transfer
$0.0134
Swap Fee
$0.0075
Average Fee
$0.0051
Median Fee
updated 0 seconds ago
5
Fully Diluted Valuation
$818.34M
+3.57%
Yesterday
6
Active Addresses
119.44K
+0.21%
6
Throughput
3.27Mgas/s
-14.11%
3
Stablecoin Supply
$4.28B
+0.71%
5
Revenue
$12.39K
-25.71%
5
App Revenue
$340.96K
-43.7%
Events
SEPT2
Arbitrum One activates Stylus on mainnet
3 September 2024
Arbitrum One enables Stylus on mainnet. A new feature allowing developers to write smart contracts in Rust, C, C++ and other WebAssembly-compatible languages alongside Solidity. The Stylus activation (live on Sept 3, 2024, Arbitrum's 3rd anniversary) represents a significant expansion of Arbitrum One's developer capabilities, offering higher performance and broader language support for Layer-2 dApps.
MAR13
Atlas Upgrade (EIP-4844 Support)
14 March 2024
Arbitrum implemented support for Ethereum's Dencun upgrade (EIP-4844), using 'blobs' for data posting to drastically reduce transaction fees.
MAR22
ARB Token Launch and Airdrop
23 March 2023
The launch of the native ARB governance token, distributed via a large-scale airdrop to early users and builders, and the transition to a DAO governance model.
AUG30
Nitro Upgrade
31 August 2022
A major technical upgrade that significantly increased transaction throughput, lowered fees, and improved EVM compatibility.
JUNE20
Arbitrum Odyssey Campaign
21 June 2022
A multi-week campaign designed to encourage users to explore top projects in the Arbitrum ecosystem, which drove significant network activity.
AUG30
Arbitrum One Mainnet Launch
31 August 2021
The public launch of the Arbitrum One mainnet, opening up the popular Layer 2 scaling solution to all users and developers.
AUG30
Series B Funding Round ($120M)
31 August 2021
Offchain Labs raised $120 million in a Series B funding round led by Lightspeed Venture Partners, announced on the same day as the mainnet launch.
Achievements
Lifetime
Level 
15
2.8B
11%
to
16
Transaction Count
Level 
15
$95.9M
92%
to
16
Rent Paid to L1
Level 
13
$176.6M
51%
to
14
Revenue
Level 
12
$80.7M
61%
to
13
Onchain Profit
Level 
15
71.1M
42%
to
16
Active Addresses
Applications
Usage Breakdown
21.12%
%
%
18.11%
32.86%
%
21.71%
0%
20%
40%
60%
80%
100%
Similar Chains
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