Terenval Answers · Product comparison #232

Base vs Arbitrum for DeFi: Liquidity, DEX Volume, Activity and Fees

Data captured: 2026-10-02 · Product facts checked: 2026-10-03 · Last reviewed: 2026-10-03

Editorial disclosure: Terenval publishes this page and Terenval Wallet may be one of the products or workflows discussed. Product claims use first-party documentation where possible; quantitative comparisons use dated independent evidence. No universal winner is manufactured.

Direct answer: Base was materially larger than Arbitrum by the selected chain-level DeFi TVL and 24h DEX-volume snapshot, but DeFi users should compare the exact protocol and token pair before choosing a network. A smaller chain total can still contain the deeper market for a particular asset. Fees, bridge cost, incentives and exit route should be evaluated together with liquidity.

Editorial disclosure: This page is more DeFi-specific than the general Base vs Arbitrum comparison. Metrics are dated and do not constitute a recommendation.

Snapshot — 2 October 2026: Base DeFi TVL roughly $6.3B with 24h DEX volume around $1.2–1.4B in the strategy snapshot; Arbitrum TVL roughly $1.4B with DEX volume around $0.17B.

Base was materially larger than Arbitrum by the selected chain-level DeFi TVL and 24h DEX-volume snapshot, but DeFi users should compare the exact protocol and token pair before choosing a network. A smaller chain total can still contain the deeper market for a particular asset. Fees, bridge cost, incentives and exit route should be evaluated together with liquidity.

Snapshot metrics

Metric	Base	Arbitrum
DeFi TVL	~$6.3B	~$1.4B
24h DEX volume	~$1.2–1.4B	~$0.17B
Gas	ETH	ETH
L2 environment	Ethereum L2	Ethereum L2

Chain totals versus pool-level execution

TVL is a scale indicator, not a promise of a better swap. A user swapping a specific stablecoin or long-tail token should compare quoted output, price impact and pool depth on the target DEX. Aggregators can also route differently on each chain.

Total DeFi cost

Gas is only one component. If assets must be bridged, include bridge fees and price impact. If a position later exits to Ethereum, include the return path. Incentives may temporarily improve APY on one chain but can disappear quickly.

Risk and protocol availability

The same protocol may have different markets, collateral caps or liquidity on Base and Arbitrum. Chain-level security assumptions also differ from protocol-specific smart-contract/admin risk. Both layers need evaluation.

Terenval workflow

Terenval supports both networks and can connect to compatible dApps. The practical first-party example is to obtain a quote on the same protocol/asset on Base and Arbitrum, compare amount received plus gas, verify token approvals and then sign. The wallet does not determine the DEX price.

DeFiLlama Chains: https://defillama.com/chains
L2BEAT Activity/TVS: https://l2beat.com/layer2s/activity and https://l2beat.com/layer2s/tvs/
L2Fees: https://l2fees.info/
Terenval Supported Networks: https://wallet.terenval.com/info/supported-networks/

Refresh DEX volume using the same 24h window and capture time for both networks.

Sources and evidence

Terenval-specific statements are first-party. Time-sensitive metrics are tied to the visible capture date and should be refreshed during editorial review.