# Ephemera

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/ephemera

- Industry: Software
- Headquarters: Webster, US
- Website: www.ephemerahq.com
- Total disclosed funding: $20M
- Latest round: Series B (Jul 17, 2025)
- Investors on record: 5

## About

Based in the US, Ephemera is focused on developing open messaging protocols that enhance secure communication and data privacy across various platforms.Ephemera was founded in 2021 and is headquartered in Webster, US. The company is dedicated to creating advanced communication technologies, including its flagship products. The founder's background includes previous ventures in technology, although specific prior companies are not disclosed. In total, Ephemera has completed one deal, with the most recent being a Series B funding round on July 17, 2025, where it raised USD 20.000 mn from investors including Andreessen Horowitz and Union Square Ventures, bringing the total amount raised to USD 20.000 mn and the current company valuation to USD 300.000 mn.Ephemera specializes in developing advanced communication technologies, primarily through its flagship products, XMTP and Convos. XMTP serves as a decentralized messaging protocol designed to enable secure and private communication, facilitating interoperability among various messaging platforms. Convos is an encrypted messaging application that integrates financial functionality, allowing users to send cryptocurrencies as easily as sending a message. Together, these products aim to address critical issues such as data ownership and privacy. Ephemera's offerings target individual users concerned about privacy, developers integrating secure messaging, and organizations seeking decentralized communication solutions, primarily in North America and Europe.Ephemera generates revenue through the deployment of its products via direct-to-consumer sales and partnerships. Revenue comes from subscriptions and licensing fees for XMTP and Convos, with pricing plans tailored to different user needs. This transactional framework supports sustainable revenue generation and fosters a growing ecosystem around decentralized messaging.In July 2025, Ephemera raised USD 20.000 mn in Series B funding co-led by Union Square Ventures, Andreessen Horowitz, and Faction, with participation from Coinbase Ventures and Sound Ventures. The company will utilize this funding to accelerate the development of its decentralized messaging network, aiming to enhance its product offerings and expand into new markets.

## Funding rounds

- Series B, Jul 17, 2025, $20M — Union Square Ventures, Andreessen Horowitz, Sound Ventures, Coinbase Ventures, Faction

## Investors

- Union Square Ventures (https://capitalatlas.ai/funds/union-square-ventures) — Series B
- Andreessen Horowitz (https://capitalatlas.ai/funds/andreessen-horowitz) — Series B
- Sound Ventures (https://capitalatlas.ai/funds/sound-ventures) — Series B
- Coinbase Ventures (https://capitalatlas.ai/funds/coinbase-ventures) — Series B
- Faction (https://capitalatlas.ai/funds/faction) — Series B