# Castile funding: rounds and investors

> Castile has raised $8.0M across 1 round since 2024. Investors include Amber Group and HashKey Capital. Every round with its source.

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

Hong Kong SAR China · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Castile*

One round we have observed, with the 2 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

**$8.0M** raised across 1 round since 2024, from 1 source

- **Latest round:** Seed, $8.0M Sept 2024
- **Investors:** 2

See who backed them

## The rounds

- **Sept 2024** Seed **$8.0M** [Amber Group](https://millionrounds.com/fund/amber-group) [HashKey Capital](https://millionrounds.com/fund/hashkey-capital-2) Source recorded

## Everyone who backed them

[Amber Group](https://millionrounds.com/fund/amber-group) VC firm **1** round

[HashKey Capital](https://millionrounds.com/fund/hashkey-capital-2) VC firm **1** round

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

## Quick answers about Castile

### Who invested in Castile?

Castile's investors include Amber Group and HashKey Capital.

### How much has Castile raised?

Castile has raised $8.0M across 1 round since 2024.

### When did Castile last raise?

Castile's most recent round was a Seed of $8.0M in Sept 2024.

### What was Castile's biggest round?

Its most recent round, $8.0M in Sept 2024, is also its largest on record.

### Who backed Castile first?

Castile's first round on record, in Sept 2024, was backed by Amber Group and HashKey Capital.

### What stage is Castile at?

Castile's latest named round is a Seed, in Sept 2024.

### Where is Castile based?

Castile is based in Hong Kong SAR China.

## Companies like Castile

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

[**Ellipal** $1.0M · Jul 2026](https://millionrounds.com/company/ellipal)[**SignalPlus** $51M · May 2026](https://millionrounds.com/company/signalplus)[**Prenetics** $91M · May 2026](https://millionrounds.com/company/prenetics)[**RedotPay** $194M · Dec 2025](https://millionrounds.com/company/redotpay)[**Mu Digital** $1.5M · Nov 2025](https://millionrounds.com/company/mu-digital)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)

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