Table 3 Experimental setup of simulation model.

From: A federated incremental blockchain framework with privacy preserving XAI optimization for securing healthcare data

Component

Specification/configuration

Hardware platform

NVIDIA RTX 4070 Ti GPU, 32 GB DRAM, Intel i5-13400 CPU with 10 cores at 2.50 GHz

Software environment

Python 3.10.11, PyTorch 2.0.1, Go HTTP client, Tornado HTTP server

Operating system

Microsoft Windows 10 professional (x64)

CPU, memory, graphics card

NVIDIA RTX 4070 Ti GPU, 32 GB DRAM, Intel i5-13400 CPU with 10 cores at 2.50 GHz

Federated learning framework

Flower (FLwr) for simulation and model distribution

Blockchain layer

Custom implementation using cryptographic SHA-256 and smart contract rules

Optimization algorithm

Chaotic Bobcat Optimization Algorithm (CBOA)

Model type

Entropy deep belief network (EDBN)

Privacy layer

RAPPOR-based local differential privacy (LDP)

Security mechanism

SHA-256 for hash computation and blockchain immutability

Consensus algorithm

Proof of contribution (PoC)

Train-test split

20% testing and 80% training

Metrics for evaluation

Accuracy, precision, recall, F-measure, loss, latency, and throughput

Attack models

Simulated DYN-OPT, STAT-OPT, label-flipping attack, and additional noise attack

Technology

Blockchain framework, federated learning