Cymbal
AcquiredMenlo Park, US · 14 known investors
Cymbal built an AI-powered, human-readable blockchain explorer for Ethereum, Solana and Base; its team was acquired by Yahoo in 2025.
Also known as Cymbal.xyz
Founders & leadership
Investors · 14
Also in the syndicate · 6
Company profile
researched Aug 2026Cymbal was a Menlo Park, California-based blockchain technology startup building what it described as a "human-readable" blockchain explorer. The product allowed users to view and search on-chain events and activities — holdings, transactions, linked social media accounts and similar records — and presented them through a graphical interface incorporating NFT artwork, data trends, public information about wallet owners, and related news, rather than as raw transaction logs.
The platform launched in beta in 2023 with an initial focus on Ethereum and NFT data, after analyzing and processing more than a hundred million Ethereum data points. Coverage of the company's 2025 acquisition states that the explorer's coverage extended from Ethereum to Solana and Base. A layered AI system, "Cymbal AI," generated conversational summaries of transactions and trends, answering questions such as the ranking of a wallet's portfolio, how many people bought NFTs on a given day, the largest sale in a collection over a week, or the top purchasers of a chain and the other tokens they were buying.
Cymbal also ran a news feature branded "Today's Headlines" that aggregated and ranked articles about blockchain topics from sources such as CoinDesk and The Block, augmenting them with real-time data, interactive charts, statistics and AI-generated summaries. The team included people from consumer technology companies including Meta, Microsoft, Hulu and Flipboard.
Founding story
Coverage of the Yahoo acquisition states Cymbal was founded in 2022 by Eric Feng together with serial entrepreneurs James Jerlecki and Nick Chang. Feng, the CEO and co-founder, had previously been CTO of Hulu, a General Partner at Kleiner Perkins, and worked at Meta following its acquisition of the video commerce startup Packagd; he is also a co-founder of Gold House Ventures.
Business model
Cymbal operated a consumer-facing web platform that indexed and interpreted public blockchain data, offering a free-to-browse explorer with AI-generated explanations and social features. The sources do not describe pricing, subscriptions or other monetization mechanics.
Traction
Reported traction is limited to product and funding milestones: a 2023 beta launch, processing of over one hundred million Ethereum data points, expansion of chain coverage to Solana and Base, and at least $18.5M raised. No user, revenue or engagement metrics appear in the sources.
Latest developments
In July 2025, Yahoo announced it had acquired Cymbal's team to form a new research group advancing AI and emerging technologies across Yahoo's portfolio, led by Eric Feng. Terms were undisclosed, it was unclear whether Cymbal's technology would be incorporated, and Cymbal's own website had been largely stripped down to a basic landing page.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Cymbal was a venture-backed consumer web3 data startup with at least $18.5M raised from crypto- and consumer-focused investors, described in coverage as an alternative to existing block explorers such as Etherscan. The sources do not provide market share, revenue or user-base figures.
Cymbal positioned its explorer as human-readable and consumer-oriented in contrast to conventional block explorers such as Etherscan, combining a visual interface, AI-generated conversational summaries and social features (following wallets and projects, profiles, planned messaging and content publishing) rather than presenting raw on-chain records.
Technology
Cymbal ingested and processed on-chain data at scale — more than a hundred million Ethereum data points at launch — across Ethereum, and later Solana and Base, and applied AI to summarize and analyze it in real time. Cymbal AI produced conversational summaries, rankings, interactive charts and statistics, and the company stated the system would improve as usage and explanation requests increased.
Go-to-market
The sources describe a direct-to-consumer web product distributed through its website, with a news aggregation feature and social/following mechanics intended to drive engagement, plus presence on X/Twitter and LinkedIn as @cymbalxyz.
Mainstream consumers and non-expert crypto users seeking to understand blockchain activity, including NFT buyers and wallet watchers, rather than technical on-chain analysts.
Geography
Headquartered in Menlo Park, California, United States.
History
According to Yahoo acquisition coverage, Cymbal was founded in 2022 by Eric Feng together with serial entrepreneurs James Jerlecki and Nick Chang. The product launched in beta in 2023, and in July 2023 the company announced $18.5M in funding to expand operations and development. Coverage initially described Ethereum coverage with Solana planned; by 2025 the explorer covered Ethereum, Solana and Base. In July 2025, Yahoo acquired the Cymbal team to launch a new internal research group focused on AI and emerging technologies, with Feng leading it; financial terms were not disclosed and Cymbal's website was reported to have been reduced to a basic landing page.
Risks & controversies
No controversies are described in the sources. Following the July 2025 Yahoo team acquisition, Cymbal's website was reported to have been largely stripped away, leaving only a basic landing page, and it was unclear whether Yahoo would incorporate Cymbal's technology.
Compiled by commissioned research from 4 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 4
launches, deals, and filingsYahoo acquired Cymbal's team as part of launching a new research group focused on AI and emerging technologies; CEO Eric Feng leads the group. Financial terms were not disclosed. Cymbal's website was reported as stripped back to a basic landing page.
Cymbal cataloged data points across blockchain networks, starting with Ethereum and expanding to Solana and Base.
Cymbal announced $18.5M in funding from backers including First Round Capital, Solana Ventures, CAA Connect, Coinbase Ventures, Patron, GV, Acrew and UTA Ventures, to be used to expand operations and development efforts.
$18.5M source ↗
Cymbal launched its visual, social blockchain explorer in beta, initially focused on Ethereum and NFT data.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 4
primary sources listed
4 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Cymbal do?
- Cymbal built an AI-powered, human-readable blockchain explorer for Ethereum, Solana and Base; its team was acquired by Yahoo in 2025.
- Who founded Cymbal?
- Cymbal was founded by Brandon Price, Eric Feng, Larry Chen, Nick Chang, Shabih Rizvi.
- Who are Cymbal's investors?
- Cymbal's investors include Coinbase Ventures, Eniac Ventures, Gold House Ventures, Illuminati Capital, First Round Capital, GV (Google Ventures), Patron, UTA Ventures.
- Where is Cymbal headquartered?
- Cymbal is headquartered in Menlo Park, US.