Espresso Systems Explained: How the Shared Sequencer…
By Damilola Esebame

AI summary of the source article
Espresso Systems provides fast transaction confirmations and finality for layer-2 rollups using its HotShot consensus protocol. After securing $60 million across two funding rounds, the protocol launched its production mainnet in October 2024 and its ESP token in February 2026.
Why it matters
A shared sequencer design could enable revenue from cross-rollup activity to be distributed among participating rollups rather than concentrating with a single operator.
Key facts
- Espresso raised $32 million in Series A funding in 2022 and $28 million in a Series B round led by a16z crypto in 2024.
- The project launched its first production mainnet in October 2024 and introduced the ESP token in February 2026.
- The network relies on the HotShot consensus protocol to scale to thousands of validator nodes and deliver transaction finality within seconds.
Source excerpt · FinanceFeeds
KEY TAKEAWAYS Espresso Systems operates a network that provides fast transaction confirmations and finality for integrated layer-2 rollups. The HotShot consensus protocol powers Espresso's network with Byzantine fault tolerance and transaction finality within seconds. It is designed to scale to thousands of validator nodes. Espresso raised $32 million in Series A funding led by Greylock and Electr…