[Crypto projects](https://revain.org/projects/) › Patientory

# Patientory (PTOY): how it works, supply and reviews

## In short

- **Type**: PTOY is the native token of the PTOYMatrix health-data blockchain storage network.
- **Total supply**: About 100.0 million PTOY on Ethereum (1 November 2026).
- **Risks and caveats**: PTOYMatrix is a private permissioned network run through a membership body, not an open public blockchain.
- **Checked**: 1 November 2026

## Key facts

- **Ticker**: PTOY
- **Official site**: [patientory.com](https://patientory.com/)

Key facts checked on 1 November 2026 against official sources.

## What is Patientory

Patientory is a US health-data company whose app lets people collect their health records and earn $PTOY token rewards. PTOY is the token of PTOYMatrix, a permissioned health-data storage network governed by the non-profit Patientory Association.

## Network and consensus

| Parameter | Details |
|---|---|
| Type | PTOY is the native token of the PTOYMatrix health-data blockchain storage network. |
| Network | PTOYMatrix is a private permissioned blockchain; PTOY grants access to it. |
| Runs on | PTOY is an ERC-20 token on Ethereum with 8 decimals. |
| Design | The whitepaper describes a private Ethereum implementation so that health data is not placed on the public chain. |
| Products | Patientory Inc. offers the Patientory mobile app and the NEITH enterprise tool. |
| Open source | PTOYMatrix code is on GitHub; the newest push is from 6 January 2023. |

## Supply and issuance

| Parameter | Details |
|---|---|
| Total supply | About 100.0 million PTOY on Ethereum (1 November 2026). |
| Initial distribution | Sold in a presale for ETH; 10% to the founding team (12-month hold) and 20% to the Patientory Foundation fund. |
| Issuance | Storage node hosts earn PTOY for unused storage. |

## What PTOY is used for

- PTOY pays for storage on the PTOYMatrix network.
- Patientory app users earn PTOY payments as personal rewards for managing their health data.
- Storage node hosts earn PTOY for providing storage.
- The Patientory app pays health rewards in PTOY for healthy behaviour.

## Who develops and governs Patientory

- **Company**: Patientory Inc. is a population health data management and analytics company.
- **Founders**: Chrissa McFarlane, CEO, launched Patientory in December 2015.
- **Governance**: The non-profit Patientory Association governs PTOYMatrix.
- **Foundation**: The Patientory Foundation, a 501(c)(3) non-profit, owns the PTOY and PTOYMATRIX rights.
- **Association**: The Patientory Association is a global non-profit healthcare member organization.

## History

| Date | Event |
|---|---|
| December 2015 | Chrissa McFarlane launches Patientory. |
| May 2017 | The Patientory whitepaper v1.1 is published. |
| 2017 | The PTOY token sale is prepared and completed (roadmap, 2017). |
| 16 May 2018 | Patientory Stiftung launches the open-source HealthNet blockchain network at its first Blockchain in Healthcare Summit. |
| 30 May 2018 | Patientory Stiftung joins the Enterprise Ethereum Alliance. |
| 23 May 2022 | The $PTOY Foundation launches the Digital Health for Equitable Health (DHEH) Alliance. |

## Security and audits

- The whitepaper says sensitive health data is kept off the public Ethereum chain in a HIPAA-compliant storage facility, with a private Ethereum implementation.
- Patientory says app users store medical information on a HIPAA-compliant, blockchain-enabled platform.

## Security incidents

No security incident is recorded in the sources checked on 1 November 2026 (the company’s own channels and incident databases): [defillama.com/hacks](https://defillama.com/hacks), [hacked.slowmist.io](https://hacked.slowmist.io/), [rekt.news/leaderboard](https://rekt.news/leaderboard/), [patientoryassociation.org/press](https://patientoryassociation.org/press/), [patientory.com](https://patientory.com/)

## Official PTOY contracts

| Network | Contract address |
|---|---|
| Ethereum | [0x8ae4bf2c33a8e667de34b54938b0ccd03eb8cc06](https://etherscan.io/token/0x8ae4bf2c33a8e667de34b54938b0ccd03eb8cc06) |

PTOY is an ERC-20 token on Ethereum with 8 decimals.

## Risks and caveats

- PTOYMatrix is a private permissioned network run through a membership body, not an open public blockchain.
- The public PTOYMatrix code on GitHub has not been updated since January 2023.
- The whitepaper says the token's value is tied to transaction volume on the network.
- The whitepaper is informational and not an offer of shares or securities.

## Official links

- Website: [patientory.com](https://patientory.com/)
- Token site: [ptoy.org](https://ptoy.org/)
- Whitepaper: [patientoryassociation.org/wp-content/uploads/2018/11/patientory_whitepaper.pdf](https://patientoryassociation.org/wp-content/uploads/2018/11/patientory_whitepaper.pdf)
- Association: [patientoryassociation.org](https://patientoryassociation.org/)
- Source code: [github.com/PTOYMatrix](https://github.com/PTOYMatrix)
- Block explorer: [etherscan.io/token/0x8ae4bf2c33a8e667de34b54938b0ccd03eb8cc06](https://etherscan.io/token/0x8ae4bf2c33a8e667de34b54938b0ccd03eb8cc06)

## Questions and answers

**What is Patientory (PTOY)?**

Patientory is a health-data company whose app lets users manage health records and earn $PTOY rewards. PTOY is the token of the PTOYMatrix health-data storage network.

**Who founded Patientory?**

Chrissa McFarlane, the CEO, launched Patientory in December 2015.

**What is the supply of PTOY?**

The Ethereum contract showed a total supply of about 100.0 million PTOY on 1 November 2026.

**What is PTOY used for?**

PTOY pays for storage on PTOYMatrix, rewards app users for healthy actions and pays storage node hosts.

## Sources

- [Patientory - Home](https://patientory.com/)
- [Patientory - About](https://patientory.com/about)
- [Patientory - FAQ](https://patientory.com/faq)
- [PTOY token site](https://ptoy.org/)
- [Patientory Association - Home](https://patientoryassociation.org/)
- [Patientory Association - Press](https://patientoryassociation.org/press/)
- [Patientory Association - About (board)](https://patientoryassociation.org/about/)
- [Patientory whitepaper v1.1 (May 2017, PDF)](https://patientoryassociation.org/wp-content/uploads/2018/11/patientory_whitepaper.pdf)
- [PTOYMatrix on GitHub](https://github.com/PTOYMatrix)
- [Etherscan - PTOY token](https://etherscan.io/token/0x8ae4bf2c33a8e667de34b54938b0ccd03eb8cc06)

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Page updated: 2026-11-01

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Source: https://revain.org/projects/patientory/