ether.fi announces plans to migrate ether.fi Cash its onchain cash account and card product from ethereum to Optimism’s OP Mainnet, with more than 70,000 active cards, 300,000-plus accounts and over $160 million in TVL expected to move to the Superchain in the coming months.
In a post and supporting materials, the project framed the shift as a long-term partnership aimed at accelerating global onchain payments. ether.fi said the move is intended to give Cash users deeper liquidity, a more mature DeFi ecosystem and native stablecoin support as the product scales.
ether.fi also pointed to usage metrics to support the migration rationale. The company said Cash has become the “largest non-custodial crypto credit card” since launching in September 2024, claiming more than $265 million in total spend volume. It added that the ether.fi app processes about 2,000 internal swaps and roughly 28,000 spend transactions per day, averaging around $2 million in spend volume, with activity “doubling approximately every two months” since launch.
For end users, ether.fi said the transition will be seamless and emphasized that accounts remain safe during the process. It also previewed product changes it says become easier on OP Mainnet, including enhanced cashback rewards denominated in USDC, ETH and BTC, and access to features “that weren’t possible before,” while noting more details will follow.
Optimism, for its part, positioned the partnership as bringing “onchain neobanking” to its flagship chain and highlighted OP Mainnet’s role as a hub for DeFi activity and consumer/enterprise applications.
The materials also referenced OP Stack network-scale figures, including a claim that OP Stack chains processed 3.6 billion transactions in the second half of 2025, representing about 13% of all crypto transactions during that period.
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