Immutable Records. Trusted Homes.
BlockHearth is an open-source, blockchain-powered property title custody and transparency platform designed to transform how real estate ownership records are maintained, verified, and accessed. BlockHearth creates a permanent, tamper-evident digital history for every registered property, documenting ownership records, deed transfers, mortgages, liens, releases, easements, encumbrances, and other significant title events. By combining blockchain technology with secure digital document custody and integration with existing government land registries, BlockHearth establishes a transparent, independently verifiable record of a property’s ownership history.
At the heart of BlockHearth is its public property title ledger, which allows anyone to search for a registered property and examine its available ownership history. Users can explore previous and current recorded owners, historical deed transfers, recording dates, transaction references, property descriptions, and associated title events. Cryptographic document verification helps establish whether records have been altered, while chronological transaction histories preserve the provenance of every recorded event. The platform also supports property identification, geographic mapping, parcel tracking, mortgage and lien monitoring, document preservation, and downloadable property history reports. Public transparency is balanced with privacy protections that keep sensitive personal information and confidential documents out of public blockchain records.
BlockHearth incorporates advanced ownership verification, digital deed management, smart contract-assisted transfers, fraud detection, and title discrepancy monitoring. Property owners, buyers, sellers, title companies, attorneys, financial institutions, and participating government agencies can use the platform to verify records, submit documentation, coordinate authorized transfers, and investigate potential inconsistencies. Additional capabilities include trust and estate property management, inheritance-related transfers, dispute documentation, title correction workflows, escrow integration, digital notarization, and government registry synchronization. AI-powered optional modules can assist with historical title research, document analysis, suspicious transaction detection, and property record reconciliation, with human authorization required for consequential ownership actions.
Designed with a modular and extensible architecture, BlockHearth supports public blockchain networks, permissioned institutional deployments, government registry integrations, developer APIs, and optional plugins for GIS mapping, title insurance, escrow services, mortgage providers, digital signatures, and advanced property analytics. Its technology architecture combines blockchain-based verification, secure off-chain document storage, searchable property databases, decentralized identity standards, and privacy-preserving cryptographic verification. Through publicly accessible property histories, independently auditable records, and interoperable infrastructure, BlockHearth seeks to establish a more transparent and trustworthy foundation for property ownership, making it easier for people to understand, verify, and protect the history behind every home and parcel of land.
This specification is released under the AGPL-3.0+ and is free to use with required Section 7 attribution. Organizations seeking attribution-free deployment may obtain a Specification Branding License, with fees based on use and deployment scope.

Specification Repository:
- BlockHearth – An open-source blockchain-powered property title custody platform providing transparent ownership histories, immutable records, secure deed verification, and independently verifiable property transfers.
- HTML Mirror: BlockHearth Specification
Specification Pricing:
| Network Size | # of Users | One-Time Price | Duration |
| Small | 1 – 20 | $400,000 | Perpetual License |
| Medium | 21- 1000 | $6,000,000 | Perpetual License |
| Large | 1001 + | Custom Quote | Custom Quote |




