CertainKey

Bitcoin Proof-of-Reserves for Self-Managed Super Funds

Independently verify your SMSF's Bitcoin holdings with a report designed for ATO and ASIC compliance. No funds are moved — everything is proven cryptographically.

1

Describe your wallet

Paste or scan your wallet output descriptor

2

Verify your keys

Sign a challenge message with your hardware wallet(s)

3

Get your report

Download an audit-ready PDF with balance and control proof

$295 AUD per report — pay with Bitcoin, card or bank transfer.

Example report · Example privacy report · Guide for auditors · Verify an existing report

No email or password required — secured with passkeys.