All You Need To Know About Blockchain: 2026 Healthcare Overview

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TECHNOLOGY

All You Need To Know About Blockchain: 2026 Healthcare Overview

Blockchains are digital record books, also called shared databases. Imagine a notebook containing all the information from the very first transaction, available on many computers simultaneously, so everyone can see it. This digital notebook is split into many sections, like pages, called “blocks”, and each page is linked to the next, making a “chain”. Once a transaction is added, it cannot be changed easily. If someone tries to change it, the whole chain is affected because the blocks are all linked together.

Key Points:

  • No one can cheat because many people have the same copy.
  • Everyone can access the history.
  • No information can be altered.
  • All updates are saved forever.

A Brief History of Blockchain

Blockchain wasn’t originally made for Bitcoin or hospitals. It was first developed in 1991 to timestamp digital documents. Once a document was stamped, it couldn’t be backdated.

Between 2009 and 2015, blockchain was used to create digital money. In 2010, people started wondering what other uses it might have.

In 2016, institutions and universities began experimenting with blockchain. They created a system called MedRec to give patients control over their records, verify medical credentials from health groups, and speed up insurance claim processing. During the COVID-19 pandemic, blockchain helped track vaccine distribution.

How Blockchain Works

Imagine someone makes a money transaction. This request is sent to a network of computers called “nodes,” and each node receives it. The network stays accurate through a verification process called the “Consensus Mechanism,” which ensures everyone agrees on what’s true. Once approved, the transaction is added to a block with others, along with a timestamp and a digital fingerprint (hash). This block links to the previous one and can’t be changed once added.

Why is it secure?

  • Each transaction is digitally signed using cryptography.
  • Each block has a unique fingerprint.
  • The data is copied across thousands of computers.

Recent data shows that at least 560 million people, or about 10% of all internet users worldwide, now use blockchain-based financial tools. 

Types of Blockchain

Consortium Blockchain (Partially decentralized) 

This type of blockchain isn’t controlled by one person but by a group of organizations. It’s shared among trusted groups.

For example, healthcare networks, supply chains, banks and financial institutions.

Private Blockchain (Centralized or Semi-centralized)

Controlled by one company, this type is mostly used in private systems. The company invites users and decides who can access the data.

The primary use is for shipping logistics, tracking food supplies, containers and documents worldwide.

Public Blockchain (Decentralized)

Unlike other blockchains, public blockchains are open to everyone. No company owns them, and all data is accessible to all users.

Anyone can create a digital wallet to buy and send digital money like Bitcoin without needing a bank.

What are the benefits of blockchains?

  • Faster transfers compared to traditional systems.
  • Track data from start to finish.
  • No middleman is needed to send money or data.
  • Deals can be executed without human intervention.
  • Cheaper transaction fees.
  • Build trust by recording everything and making it verifiable.
  • It’s hard to hack because the data isn’t stored in just one place.
  • If one system fails, others keep working.

Safe and Traceable Medicines

Every year, fake and contaminated medicines are sold illegally worldwide. To improve safety, the US announced in 2023 that every pill would be traceable, like FedEx tracking but for medicine. Early attempts failed because of trust issues, complexity, and costs. Then the FDA ran a pilot program using blockchain. Instead of relying on a single database everyone must trust, a shared digital record successfully tracked medicines from the factory to the pharmacy.

Why is it secure?

  • Each transaction is digitally signed using cryptography.
  • Each block has a unique fingerprint.
  • The data is copied across thousands of computers.

The blockchain market in healthcare reached USD 8.27 billion in 2026.

Predictions for Blockchain in Healthcare in 2026:

  • Stablecoins, a type of digital currency, can be used as a payment option for medical treatments, making international payments faster, cheaper, and easier to track.
  • A healthcare innovation is likely to create an authentication that reads the blood vessel pattern on your hand.
  • Medications can be protected against counterfeiting through a traceable system that links the factory to the pharmacy in seconds. 
  • Decentralized Science (DeSci) offers a new way to fund science: projects can be completed in weeks rather than years, with transparent reviews and clear budgets.
  • Blockchain can improve interoperability and give patients control over who accesses their Electronic Health Records (EHRs).
  • It’s predicted that clinical workflows like insurance claims, provider payments, and consent will be automated, reducing errors, paperwork, and disputes.

By 2026, the idea of Blockchain will shift from being about cryptocurrency or blockchain technology to becoming a basic way to process information electronically, like in e-commerce, without most people even realizing it. This will be similar to how people use the Internet today, without thinking about the computers and protocols that power it. People will use Blockchain for e-commerce and other services without seeing it as money but as a foundation for how they interact electronically. While Blockchain might not change the world in dramatic ways, it will become such a key part of society that it already affects us today by increasing transparency, building trust, and enabling automated agreements, among other things.

References:

https://www.mordorintelligence.com/industry-reports/blockchain-market-in-healthcare?utm_source=emailwire

Haber, S. & Stornetta, W. S. (1991). How to Time-Stamp a Digital Document. Journal of Cryptology 3(2), pp. 99-111. https://doi.org/10.1007/BF00196791

Michel, N. & Dwyer, G. (September 15, 2015). Bits and Pieces: The Digital World of Bitcoin Currency. The Heritage Foundation. https://www.heritage.org/government-regulation/report/bits-and-pieces-the-digital-world-bitcoin-currency

Ekblaw, A., Azaria, A., Halamka, J. D. & Lippman, A. (2016). A Case Study for Blockchain in Healthcare: “MedRec” Prototype for Electronic Health Records and Medical Research Data. MIT Media Lab. https://www.media.mit.edu/publications/medrec-whitepaper/

Spitalleri, A., Kavasidis, I., Cartelli, V., Mineo, R., Rundo, F., Palazzo, S., Spampinato, C. & Giordano, D. (2023). BioTrak: A Blockchain-based Platform for Food Chain Logistics Traceability. arXiv preprint. https://doi.org/10.48550/arXiv.2304.09601

Hu, X., Sahni, J., Simpson, C. R., Samian, N. & Seah, W. K. (2025). Efficient patient-centric EMR sharing block tree. arXiv preprint 2504.20544. https://doi.org/10.48550/arXiv.2504.20544

Damle, S., Padala, M. & Gujar, S. (2024). Designing Redistribution Mechanisms for Reducing Transaction Fees in Blockchains. arXiv preprint. https://doi.org/10.48550/arXiv.2401.13262

Han, G., Ma, Y., Zhang, Z. & Wang, Y. (2025). A hybrid blockchain-based solution for secure sharing of electronic medical record data. PeerJ Computer Science 11. https://doi.org/10.7717/peerj-cs.2653

(February 15, 2026). Blockchain in Healthcare Market Size to Hit USD 234.97 Bn by 2035. Precedence Research. https://www.precedenceresearch.com/blockchain-in-healthcare-market

Guo, H., Li, W., Nejad, M. & Shen, C. (2023). A Hybrid Blockchain-Edge Architecture for Electronic Health Records Management with Attribute-based Cryptographic Mechanisms. arXiv preprint. https://doi.org/10.48550/arXiv.2305.19797

Willson, M. (2025). Blockchain in Insurance Claim Processing. Blockchain Council. https://www.blockchain-council.org/blockchain/blockchain-in-insurance-claim-processing/

Vaziry, A., Wronka, C., Garzon, S. R. & Küpper, A. (2026). Know Your Contract: Extending eIDAS Trust into Public Blockchains. arXiv preprint arXiv:2601.13903. https://doi.org/10.48550/arXiv.2601.13903



Written/ Edited by:

Gianine Susin
Cosmia Founder and Writer

Posted on: February 18, 2026.