Abstract
A crucial role is played by personal biomedical data when it comes to maintaining proficient access to health records by patients as well as health professionals. However, it is difficult to get a unified view pertaining to health data that have been scattered across various health centers/hospital sections. To be specific, health records are distributed across many places and cannot be integrated easily. In recent years, blockchain has arisen as a promising solution that helps to achieve the sharing of individual biomedical information in a secure way, whilst also having the benefit of privacy preservation because of its immutability. This research puts forward a blockchain-based managing scheme that helps to establish interpretation improvements pertaining to electronic biomedical systems. In this scheme, two blockchains were employed to construct the base, whereby the second blockchain algorithm was used to generate a secure sequence for the hash key that was generated in first blockchain algorithm. This adaptive feature enables the algorithm to use multiple data types and also combines various biomedical images and text records. All data, including keywords, digital records, and the identity of patients, are private key encrypted with a keyword searching function so as to maintain data privacy, access control, and a protected search function. The obtained results, which show a low latency (less than 750 ms) at 400 requests/second, indicate the possibility of its use within several health care units such as hospitals and clinics.
Highlights
The blockchain can be regarded as a chain of blocks that have already been time-labeled and stay connected by employing encryption features
The blockchain infrastructure is usually based on a peer-to-peer interaction, wherein both network users as well as the blockchain “miners” are involved
Since blockchain technology was originally employed for Bitcoin, transactions are broadly employed in the network to showcase new produced data
Summary
The blockchain can be regarded as a chain of blocks that have already been time-labeled and stay connected by employing encryption features (cryptographic hashes). Each block embraces the hash of the earlier block as well as the traditional transaction data, which results in the generation of an immutable and secured, append-only chain. Miners signify the nodes that can create new blocks pertaining to the blockchain. In the Bitcoin blockchain, the nodes showing proof of work are allocated as miners to maintain records pertaining to the transactions. Mining can be defined as a set of processes involving verifying, generating, and accumulating new blocks into the blockchain. The consensus mechanism is crucial for ensuring the reliability and security of the mining processes It helps to determine who is responsible for keeping records and how the new block’s validity can be checked. Anybody from any part of the world can enter into the system, which allows access to data and the sending of transactions—for instance, the Bitcoin system
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