Founder of a listed tool
Jae Choi
Co-founder, named behind the Sponge Wallet listing on Anchor Terminal.
What Jae builds
Sponge Wallet E · 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 27 October 2026 · the people behind it
Works with
- Eric Zhang Co-founder
- Rishab Luthra Co-founder
Questions
Who is Jae Choi?
Jae Choi 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.
How are Jae'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 (10)
- 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). 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.
