Base Chain
Coinbase’s Ethereum Layer 2 network built on the OP Stack, optimized for on-chain applications and developer accessibility.
What is Base Chain?
Base Chain, launched in August 2023, is an optimistic rollup processing 100 million monthly transactions at sub-cent fees, leveraging Coinbase’s infrastructure for 99.9% uptime. It supports seamless bridging of $5 billion in assets from Ethereum.
As part of the OP Superchain, Base hosts 1,000+ dApps, including Aerodrome for DEX trading with $1.2 billion TVL, and explores a native token for governance. Its focus on low-cost on-ramps has driven 20% of Ethereum’s L2 activity in 2025.
Related Terms
Cross Margin
Margin shared across all positions in a trader’s account to cover losses.
BNB Chain (BSC)
Binance's EVM-compatible blockchain, combining high performance with community-driven governance and the CEX ecosystem.
Node and Client
Client are a software that enable participation in the Bitcoin network, where a node validates and relays blockchain data.
Semantic Payment Metadata
Structured data describing payment terms for machine processing.
Payment Facilitator
An intermediary that verifies and settles digital asset transactions in the x402 protocol.
Reputation System
A mechanism that rewards prediction market participants with non-financial incentives, like tokens, for accurate forecasts.