# Eric Zhang

> Eric Zhang is co-founder. Sponge Wallet on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Co-founder.

Eric Zhang is a co-founder of Sponge, which builds financial infrastructure for AI agents and is in Y Combinator's Winter 2026 batch. He previously worked on crypto at Stripe.

- LinkedIn: https://www.linkedin.com/in/ericzhang98

## What Eric builds

- [Sponge Wallet](https://www.anchorterminal.com/tools/sponge-wallet.md), graded E, 43.5/100, in Agent wallets & spending controls. Sponge Wallet is a hosted wallet for AI agents. It holds stablecoins on Ethereum, Base, Tempo and Solana, pays x402 and MPP endpoints, issues virtual cards, and is reached by a REST API, an MCP server, SDKs and a CLI. Co-founder, researched 2026-10-27.

## Works with

- [Jae Choi](https://www.anchorterminal.com/people/jae-choi/), Co-founder
- [Rishab Luthra](https://www.anchorterminal.com/people/rishab-luthra/), Co-founder

## Backed by

- [Y Combinator](https://www.anchorterminal.com/investors/y-combinator/)

## Questions

### Who is Eric Zhang?

Eric Zhang is a co-founder of Sponge, which builds financial infrastructure for AI agents and is in Y Combinator's Winter 2026 batch. He previously worked on crypto at Stripe.

### What does Sponge Inc. make?

Anchor Terminal lists Sponge Wallet from Sponge Inc.. Sponge Wallet is a hosted wallet for AI agents. It holds stablecoins on Ethereum, Base, Tempo and Solana, pays x402 and MPP endpoints, issues virtual cards, and is reached by a REST API, an MCP server, SDKs and a CLI.

### Who has invested in Sponge Inc.?

The sources our research read name Y Combinator.

### How are Eric's tools graded?

Sponge Wallet is graded E, 43.5 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.ycombinator.com/companies/sponge
- https://www.ycombinator.com/founders/3141366-eric-zhang
- https://www.linkedin.com/in/ericzhang98
- https://www.ycombinator.com/founders/3152529-jae-choi
- https://www.linkedin.com/in/jaekyongchoi/
- https://www.ycombinator.com/founders/300418-rishab-luthra
- https://linkedin.com/in/rishabluthra
- https://paysponge.com/
- https://paysponge.com
- https://docs.paysponge.com

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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