Cayman Islands · Venture startup

Who invested in Build on Bitcoin

2 rounds we have observed, with the 4 investors named in them. 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

Raised 12 months ago

Funding summaryUpdated 26 Oct 2026

$14Mraised across 2 rounds since 2025, from 2 sources

$9.5MVenture$4.2MVenture
Latest round
Venture, $4.2MNov 2025
Biggest round
$9.5MVenture · Aug 2025
Investors
4
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026
$9.5MVenture$4.2MVenture
First round
Venture, $9.5M
Aug 2025
Biggest round
$9.5M
Venture · Aug 2025
Between rounds
3 months
from the last two

The rounds

  1. Nov 2025
    Venture$4.2M1 new3 returning

    Source recorded

  2. Aug 2025
    Venture$9.5M3 new

    Source recorded

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Amber GroupVC firm2rounds
RockawayXVC firm2rounds
Coinbase VenturesCorporate VC1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Build on Bitcoin

Who invested in Build on Bitcoin?

Build on Bitcoin's investors include Amber Group, Castle Island Ventures, RockawayX and Coinbase Ventures.

How much has Build on Bitcoin raised?

Build on Bitcoin has raised $14M across 2 rounds since 2025.

When did Build on Bitcoin last raise?

Build on Bitcoin's most recent round was a Venture of $4.2M in Nov 2025.

What was Build on Bitcoin's biggest round?

Build on Bitcoin's largest round on record is $9.5M (Venture), in Aug 2025.

Who backed Build on Bitcoin first?

Build on Bitcoin's first round on record, in Aug 2025, was backed by Amber Group, Castle Island Ventures and RockawayX.

What stage is Build on Bitcoin at?

Build on Bitcoin's latest named round is a Venture, in Nov 2025.

Where is Build on Bitcoin based?

Build on Bitcoin is based in Cayman Islands.

Companies like Build on Bitcoin

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

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