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Coinbase's Base Sees Over $4B in Outflows Through Cross-Chain Bridges; Ethereum Nets Inflows of $8.5B

Coinbase's Layer 2 solution, Base, has experienced a net outflow of $4.3 billion this year, reversing its previous position as a top performer.

Updated Jul 4, 2025, 8:23 p.m. Published Jul 4, 2025, 12:01 p.m.
Base loses billions through bridges.
Base loses billions through bridges.

What to know:

  • Coinbase's Layer 2 solution, Base, has experienced a net outflow of $4.3 billion this year, reversing its previous position as a top performer.
  • Ethereum has seen a significant recovery with a net inflow of $8.5 billion, regaining its leading status among blockchains.
  • The decline in Base's performance is attributed to Binance withdrawing capital to Layer 1, impacting the overall ether deposits on the platform.

Nasdaq-listed crypto exchange Coinbase's Layer 2 scaling solution, Base, has gone from being the leader in 2024 in terms of capital inflows through cross-chain bridges to the top loser this year.

Data from the Artemis Terminal shows Base has seen a net outflow of $4.3 billion this year, a stark contrast to the net inflow of $3.8 billion in 2024, which was the highest among the top 20 blockchains.

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Meanwhile, Ethereum, the world's largest smart contract blockchain, has registered a net inflow of $8.5 billion this year, compared to a net outflow of $7.4 billion in the previous year.

Top chains by net flows (YTD). (Artemis)
Top chains by net flows (YTD). (Artemis)

The data show the momentum behind the Base chain has decelerated, with Ethereum reclaiming its top spot.

Crypto bridges are protocols that facilitate communication and interaction between different blockchains, enhancing interoperability. Bridging, therefore, refers to the act of moving tokens between different networks.

The cumulative supply of stablecoins on Base has also flattened above $4 billion since mid-May alongside slower trading volumes, as the chart below shows.

BASE: Stablecoin supply in USD and DEX volumes. (Artemis)
BASE: Stablecoin supply in USD and DEX volumes. (Artemis)

BASE bleeding ETH

According to the data source L2BEAT, the total number of ether deposited on BASE has crashed from 1.82 million ETH to just over 835,000 ETH in four weeks.

The number of ETH on Base. (L2Beat)
The number of ETH on Base. (L2Beat)

The trend is consistent with other Layer 2 solutions, which have seen notable ETH outflows in recent weeks, according to Michael Nadeau of The DeFi Report on X.

According to Coinbase's Protocol Specialist Viktor Bunin, the outflows are likely due to Binance withdrawing capital to the Layer 1.

"The vast majority is just Binance withdrawing to L1. They kept an ungodly amount on the L2s. Unclear if they were getting incentives to keep it there or just didn't balance across their supported chains," Bunin said on X.

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Rampant speculation on crypto derivatives platforms is fueling volatility and risking bitcoin’s image as a stable hedge, says BlackRock’s digital assets chief.

What to know:

  • BlackRock digital-assets chief Robert Mitchnick warned that heavy use of leverage in bitcoin derivatives is undermining the cryptocurrency’s appeal as a stable institutional portfolio hedge.
  • Mitchnick said bitcoin’s fundamentals as a scarce, decentralized monetary asset remain strong, but its trading increasingly resembles a "levered NASDAQ," raising the bar for conservative investors to adopt it.
  • He argued that exchange-traded funds like BlackRock’s iShares Bitcoin ETF are not the main source of volatility, pointing instead to perpetual futures platforms.