# Light Protocol funding: rounds and investors

> Light Protocol has raised $4.5M across 1 round since 2022. Investors include Y Combinator, SOSV and Polychain. Every round with its source.

Source: https://millionrounds.com/company/light-protocol (Millionrounds; every figure on the page links to its filing or article)

Portugal · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Light Protocol*

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Web3 & Crypto

Funding summary Updated 26 Oct 2026

**$4.5M** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $4.5M Oct 2022
- **Investors:** 5

See who backed them

## The rounds

- **Oct 2022** Seed **$4.5M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [SOSV](https://millionrounds.com/fund/sosv) [Polychain](https://millionrounds.com/fund/polychain) [Balaji Srinivasan](https://millionrounds.com/fund/balaji-srinivasan) [Solana Ventures](https://millionrounds.com/fund/solana-ventures) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[SOSV](https://millionrounds.com/fund/sosv) VC firm **1** round

[Polychain](https://millionrounds.com/fund/polychain) VC firm **1** round

[Balaji Srinivasan](https://millionrounds.com/fund/balaji-srinivasan) VC firm **1** round

[Solana Ventures](https://millionrounds.com/fund/solana-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=light-protocol).

## Also claim to have backed them

These 2 firms list Light Protocol as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Dlab](https://millionrounds.com/fund/dlab) VC firm Per its own site

[Asymmetric Financial](https://millionrounds.com/fund/asymmetric-financial) VC firm Per its own site

## Quick answers about Light Protocol

### Who invested in Light Protocol?

Light Protocol's investors include Y Combinator, SOSV, Polychain, Balaji Srinivasan and Solana Ventures.

### How much has Light Protocol raised?

Light Protocol has raised $4.5M across 1 round since 2022.

### When did Light Protocol last raise?

Light Protocol's most recent round was a Seed of $4.5M in Oct 2022.

### What was Light Protocol's biggest round?

Its most recent round, $4.5M in Oct 2022, is also its largest on record.

### Who backed Light Protocol first?

Light Protocol's first round on record, in Oct 2022, was backed by Y Combinator, SOSV and Polychain and 2 others.

### What stage is Light Protocol at?

Light Protocol's latest named round is a Seed, in Oct 2022.

### Where is Light Protocol based?

Light Protocol is based in Portugal.

## Companies like Light Protocol

In the same sector, and raised in the last eighteen months.

[**Ekiden** $2.0M · May 2026](https://millionrounds.com/company/ekiden)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Peso** Oct 2026](https://millionrounds.com/company/peso)[**EFY Finance** Oct 2026](https://millionrounds.com/company/efy-finance)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)

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