Blockchain Technology

• DOI: 10.26555/jiteki.v8i2.24327
• Publication Date: 2023-02-06T05:20:52Z
• Authors: Purwono Purwono; Alfian Ma'arif; Wahyu Rahmaniar; Qazi Mazhar ul Haq; Dimas Herjuno; Muchammad Naseer
• Keywords: Ledger; Proof-of-work system

Blockchain came because of the occurrence incredulity to single authorities by introducing concept network decentralization and data distribution saved in a ledger. Decentralization is used validate discrepancies majority data. The consensus mechanism collectively maintains consistency A blockchain set blocks containing transaction interconnected each other using cryptography. mining process an effort add new blockchain. computer carries out after passing several complex mathematical problems. fastest miner rewarded with crypto coins. Some mechanisms commonly are proof work, stake, practical byzantine fault tolerance, elapsed time. designed implemented such way that it can guarantee security its data, easy be audited, robust denial service attacks, private confidential. application not limited finance systems; also applied health, education, supply chain, state democracy systems.