A Smart Contract-Based Access Control Framework For Smart Healthcare Systems (2025)

FAQs

What is access control in smart contract? ›

Access control is a critical aspect of smart contract security, governing who can interact with various functionalities within the contract. However, improper implementation of access control can lead to severe vulnerabilities, allowing unauthorized users to manipulate the contract's state or even drain its funds.

To ensure security, smart contracts often apply a simple form of role-based access control (RBAC), where a dedicated administrator assigns users to roles that are authorized to invoke specific smart contract functions.

Internet of Things (IoT) in Healthcare

IoT technology brings numerous applications in healthcare, from remote monitoring to smart sensors to medical device integration. It keeps the patients safe and healthy as well as improves the physician delivers care towards the patients.

Smart contracts are typically used to automate the execution of an agreement so that all participants can be immediately certain of the outcome, without any intermediary's involvement or time loss. They can also automate a workflow, triggering the next action when predetermined conditions are met.

The 3 types of access control are Role-Based Access Control (RBAC) systems, Attribute-Based Access Control (ABAC) and Discretionary Access Control (DAC).

There are four types of access control methods: Mandatory Access Control (MAC), Role-Based Access Control (RBAC), Discretionary Access Control (DAC), and Rule-Based Access Control (RBAC or RB-RBAC). A method is chosen based on the level of access needed by each user, security requirement, infrastructure, etc.

A smart contract is a program that executes automatically based on if-then logic. A smart contract example in the real world would be a jukebox. If a person puts in a quarter and presses the code corresponding with a certain song, the machine will process the transaction and play the requested song.

RBAC vs.

Whereas RBAC restricts user access based on static roles, PBAC determines access privileges dynamically based on rules and policies. Although PBAC is fairly similar to ABAC, ABAC requires more IT and development resources (e.g., XML coding) as the number of attributes required increases.

Smart medical devices represent a new frontier in healthcare by integrating advanced technologies and intelligent capabilities into conventional medical devices. These devices harness the power of sensors, connectivity solutions, and data analysis systems to enable real-time monitoring, analysis, and decision-making.

What is smart healthcare technology? ›

SMART Health IT is an open, standards based technology platform that enables innovators to create apps that seamlessly and securely run across the healthcare system.

IoT Healthcare Example: Connected Contact Lenses

An example of these lenses in action includes IoT-based contact lenses monitoring tear glucose levels for early diabetes detection. These devices can also dispense medication into the eye when needed, which is a healthier and easier solution for your eyes.

The five most popular smart contract platforms, Ethereum, Hyperledger Fabric, Corda, Stellar, and Rootstock, are discussed in this section.

Smart Contracts cannot function without Blockchain

Smart contracts cannot work without blockchain technology, as blokchain's unique features allows contracts to be conducted and executed without a third party.

It is common for public blockchains to support smart contracts and decentralized applications (dApps), enabling complex programmable use cases. Popular public blockchains include Ethereum, Binance Smart Chain (BSC), and Polkadot.

Access control is a required security part of almost all applications. Blockchain specific characteristics such as immutability, durability, auditability, and reliability lead to considering blockchain as a supplementary solution for access control systems.

Access control defined

Access control is an essential element of security that determines who is allowed to access certain data, apps, and resources—and in what circumstances. In the same way that keys and preapproved guest lists protect physical spaces, access control policies protect digital spaces.

Access control is a data security process that enables organizations to manage who is authorized to access corporate data and resources. Secure access control uses policies that verify users are who they claim to be and ensures appropriate control access levels are granted to users.

Access control is a fundamental component of data security that dictates who's allowed to access and use company information and resources. Through authentication and authorization, access control policies make sure users are who they say they are and that they have appropriate access to company data.