Base records $4B in spot Bitcoin trading in July, capturing half of all on-chain volume

Coinbase’s Ethereum Layer-2 network Base processed $4.2 billion in on-chain Bitcoin spot trading volume during July, according to data from Blockworks. That figure represents exactly half of the $8.4 billion in total on-chain Bitcoin spot trading that occurred across all platforms during the month.

The numbers behind Base’s dominance

Base’s grip on the market hasn’t loosened heading into August. In recent weekly assessments, the network captured roughly 43% of on-chain Bitcoin spot volume, with weekly totals exceeding $3 billion across all tracked platforms.

The network’s Total Value Locked sits at approximately $4.6 billion to $4.7 billion as of early August. That TVL figure reflects strong activity in stablecoin trading and DeFi protocols that facilitate Bitcoin trading pairs, both of which have become core pillars of Base’s growing ecosystem.

It’s worth noting what these numbers don’t include. This is purely on-chain, decentralized activity. No Binance order books, no Coinbase Pro trades, no ETF flow data.

The remaining on-chain volume is distributed among Ethereum mainnet, Arbitrum, BNB Chain, Hyperliquid L1, and Solana. Together with Base, these platforms account for approximately 97% of weekly on-chain Bitcoin spot volume.

What this means for the competitive landscape

For Arbitrum, which has long positioned itself as Ethereum’s premier Layer-2 for DeFi activity, Base’s rise represents a direct competitive threat. BNB Chain, Solana, and Hyperliquid L1 round out the top tier, though none individually approach Base’s share.

The concentration of 97% of on-chain Bitcoin spot volume among just six platforms also suggests the market is consolidating faster than many anticipated.

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