# Chia

> Proof-of-space-and-time blockchain (Chia Network) designed for lower-energy crypto mining.

## Why it is interesting

Bram Cohen (BitTorrent creator) built an alternative to proof-of-work using disk space — Greylock and Slow joined a16z from seed through a $61M 2021 round.

## Profile

- **Stage:** growth
- **Status:** private
- **Industries:** crypto-web3
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series D (2021): $61M co-led by a16z and Richmond Global; Greylock, Slow among backers (BusinessWire)
- Seed (2018): a16z and Greylock participated (TechCrunch)

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz
- https://venturecapitaltracker.com/fund/greylock-partners
- https://venturecapitaltracker.com/fund/slow-ventures

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Source: https://venturecapitaltracker.com/startup/chia