Coinbase ends support for DAI on Avalanche, Arbitrum, and Optimism networks

Coinbase is pulling the plug on DAI deposits and withdrawals across three major Layer 2 and alternative networks. Starting August 17, 2026, users will no longer be able to move DAI through Avalanche, Arbitrum, or Optimism on the platform.

The stablecoin will still be supported on Ethereum’s mainnet. But for anyone who’s been routing DAI through those faster, cheaper networks, it’s time to rethink the workflow.

What’s actually changing

Coinbase first flagged the change back around July 13, 2026, and dropped a reminder on August 12 as the deadline approaches. The mechanics are straightforward: after August 17, any attempt to deposit or withdraw DAI via Avalanche, Arbitrum, or Optimism through Coinbase will simply stop working.

One important wrinkle: DAI isn’t actually listed for trading on Coinbase. The exchange only supports deposits and withdrawals of the token on certain networks. So this isn’t about delisting a trading pair. It’s about narrowing the infrastructure pipes through which DAI can flow in and out of the platform.

Users holding DAI on those networks will need to either bridge their tokens to Ethereum before the cutoff or find alternative routes. Ethereum remains the one supported highway for moving DAI through Coinbase after the deadline.

And DAI isn’t alone in getting trimmed. Coinbase is also ending support for USDC on the Noble network and cbETH on various Layer 2 networks on the same August 17 date.

Why Coinbase is consolidating

DAI, issued by MakerDAO, was designed to be a decentralized stablecoin usable across multiple blockchains. It’s pegged to the US dollar and backed by crypto collateral rather than bank deposits. The token has historically seen the lion’s share of its activity on Ethereum, which makes the decision to keep that network supported while pruning others a logical one from a volume perspective.

Arbitrum, Optimism, and Avalanche are all networks that offer faster and cheaper transactions than Ethereum’s mainnet. They’ve grown substantially as scaling solutions for DeFi users looking to avoid Ethereum’s sometimes painful gas fees. But for a centralized exchange like Coinbase, the question isn’t whether those networks are useful in general. It’s whether enough DAI is moving through them on Coinbase specifically to warrant continued support.

What this means for DAI users

The immediate practical impact falls on a specific subset of users: those who deposit or withdraw DAI through Coinbase using Avalanche, Arbitrum, or Optimism. If that describes your setup, you have until August 17 to adjust.

The simplest path is bridging DAI to Ethereum before the deadline. Alternatively, users could withdraw DAI to a self-custody wallet on any of the affected networks and manage it outside of Coinbase entirely.

The bigger signal here is strategic. Coinbase has been methodically trimming its network support across multiple tokens, and the August 17 batch of changes covering DAI, USDC on Noble, and cbETH on Layer 2s suggests this is an ongoing program rather than a one-time adjustment.

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