# Espresso

By [SIMASAN](https://paragraph.com/@simasan) · 2024-02-03

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Espresso Systems is developing layer 1, or base blockchain, infrastructure to deliver fast, low-fee transactions by integrating a proof-of-stake consensus protocol with a zero-knowledge (zk) rollup mechanism that can bundle multiple transactions in a more resource-efficient way.

[https://www.espressosys.com/](https://www.espressosys.com/)

🌐Investors: Sequoia Capital, Electric Capital, Coinbase Ventures

[https://cryptorank.io/ico/espresso](https://cryptorank.io/ico/espresso)

💸 Raised: $32M

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Participate as Node Operator:

[https://y3at7jy5knf.typeform.com/to/KgayxNsX?typeform-source=webflow.com](https://y3at7jy5knf.typeform.com/to/KgayxNsX?typeform-source=webflow.com)

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More info:

[https://medium.com/@espressosys/node-operator-open-application-begins-for-espresso-sequencer-cappuccino-testnet-0675d9cc12e5](https://medium.com/@espressosys/node-operator-open-application-begins-for-espresso-sequencer-cappuccino-testnet-0675d9cc12e5)

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*Originally published on [SIMASAN](https://paragraph.com/@simasan/espresso)*