id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
biht-421	Abdu, Seid	Optimizing Proof-of-Work for Secure Health Data Blockchain Using Compute Unified Device Architecture	2025	10	.pdf	application/pdf	6443	461	54	Ma Q, Sadeghi A-R, Wachsmann C. Privacy-preserving pro- tocols for healthcare blockchain systems: a systematic review. System Architecture Figure 1 illustrates the system architecture for the CUDA-accelerated blockchain: healthcare data are encrypted via GPU-accelerated AES-CTR, recorded in the blockchain core through PoW mining, stored off-chain using IPFS, and verified by a validator pool.	cache/biht-421.pdf	txt/biht-421.txt