0x
Embed swaps in your onchain app. Access 7+ million tokens with liquidity from 140+ exchanges with a single API.
218 employees · est. 2016 · San Francisco, United States
0x is the older company (2016 vs 2020); 0x is the larger of the two.
Side-by-Side Comparison
| Metric | 0x | Dfns |
|---|---|---|
| Founded | ||
| Founded | 2016 older | 2020 |
| Headquarters | ||
| Headquarters | San Francisco, United States | Paris, France |
| Employees | ||
| Employees | 218 larger | 79 |
| Industry | ||
| Industry | Blockchain, Crypto, Defi | Blockchain, Crypto, Fintech |
| Funding Stage | ||
| Funding Stage | Series B | Series A |
| Total Funding | ||
| Total Funding | $109.00M | $30.17M |
| Funding Rounds | ||
| Funding Rounds | 7 | 3 |
| Services | ||
| Services | Swap API, Gasless API, Trade Analytics API, Token Curating | Wallets-as-a-Service (WaaS), Transaction Lifecycle Management (TLM), Wallet Entitlement Management (WEM), Key Orchestration Service (KOS) |
| Target Customers | ||
| Target Customers | DeFi Developers, Crypto Traders, App Developers, Web3 Businesses, Onchain Platforms | Developers, Fintech Companies, Financial Institutions, Crypto Custodians, Digital Asset Platforms |
| Taxonomy | ||
| Taxonomy | Decentralized Finance, Crypto Trading, Token Exchange, Blockchain Technology, Ethereum, Smart Contracts, Cryptography, NFTs, DeFi, Decentralized Exchange, API Development, Liquidity Aggregation, Web3 | Wallets-as-a-Service, Digital Asset Management, Blockchain Security, Cryptography, Transaction Management, Key Orchestration, Third-Party Integrations, Institutional Custody, Tokenization, Financial Technology, API Integration, Developer Tools, Secure Onboarding, Workflow Governance, Multi-Blockchain Support |
| Website | ||
| Website | 0x.org | dfns.co |
About 0x
0x is positioned as an essential toolset for developers aiming to build robust financial products on crypto infrastructure. The company’s capability to facilitate seamless swaps in decentralized finance (DeFi) is reinforced by its access to over 7 million tokens from a broad network of 140+ exchange...
About Dfns
Dfns, founded in 2020, is a pioneering Wallets-as-a-Service (WaaS) platform that provides a comprehensive infrastructure for managing digital assets. Their mission, encapsulated in their slogan, "Wallet infrastructure for digital assets," is to streamline the complexities of onchain services at scal...
We will tell you when either one moves
BounceWatch watches 0x and Dfns for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at 0x and Dfns — by email.
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Compiled from the BounceWatch company index. We last looked at 0x on 2 Jul 2025, and Dfns on 16 Jan 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.