United States · 
Who invested in Coinbax?
Coinbax's investors include Connecticut Innovations and SpringTime Ventures.
United States · Seed startup
Who invested in Coinbax
Funding summaryUpdated 26 Oct 2026
$4.2Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $4.2MDec 2025
- Investors
- 2
The rounds
- Dec 2025
Founders and team
From Coinbax's own website: 1 founder, 1 on the team.
- Justin SeidlChief Technology Officer
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Coinbax
How much has Coinbax raised?
Coinbax has raised $4.2M across 1 round since 2025.
When did Coinbax last raise?
Coinbax's most recent round was a Seed of $4.2M in Dec 2025.
What was Coinbax's biggest round?
Its most recent round, $4.2M in Dec 2025, is also its largest on record.
Who backed Coinbax first?
Coinbax's first round on record, in Dec 2025, was backed by Connecticut Innovations and SpringTime Ventures.
What stage is Coinbax at?
Coinbax's latest named round is a Seed, in Dec 2025.
Where is Coinbax based?
Coinbax is based in the United States.
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