Arbitrum vs BSC

Arbitrum One and Nova are optimistic rollups using Nitro fraud proofs that compress transactions into calldata submitted to Ethereum. The Orbit toolkit lets projects deploy their own Arbitrum Orbit chains with configurable permissions. ARB token governance manages the 3 000‑plus validator whitelist and a 1 billion‑dollar ecosystem grant fund.

BNB Smart Chain is an EVM network secured by Proof‑of‑Staked Authority where 21 validators rotate every epoch, offering 3‑second block times. Projects benefit from low fees (< $0.05) and a vast ecosystem seeded by Binance Launchpad. The 2024 Moran upgrade implemented the BEP‑336 blob transaction format akin to Ethereum’s EIP‑4844.