Contact
Talk to ProofChain
We're a small team building the trust layer for North American homes. Pick the channel that fits and we'll get back to you within one business day.
Homeowner & general
Questions about your Home Passport, a claim, or a report you purchased.
hello@proofchain.world
Partners & issuers
Contractors, inspectors, insurers, MLS boards and municipalities.
hello@proofchain.world
HKMM Group Inc.
Corporate, legal, and investor inquiries.
hello@hkmm.ca
Mailing address
HKMM Group Inc.
146 Thirtieth Street, Suite 100
Etobicoke, Ontario M8W 3C4, Canada
Tel: +1 289-643-9839
Are you a homeowner?
Start by claiming your home — most questions are answered inside the owner console.