Arbitrum (ARB) is an Ethereum scaling solution developed by Offchain Labs.
Haseeb Qureshi L2 rollup discussion
Haseeb Qureshi
https://twitter.com/hosseeb/status/1484583541258084353
Web
January 21, 2022
July 11, 2022
Arbitrum
https://forum.arbitrum.foundation/
https://guild.xyz/arbitrum