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.
- Prove key ownership via cryptographic message signing
- Balance confirmed against the Bitcoin blockchain at a specific point in time
- Audit-ready PDF with verifiable integrity hash
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
Secured with passkeys — no passwords needed.