@chuasiangming33
Proof of Work (PoW), Proof of Stake (PoS), Delegated Proof of Stake (DPoS), and Practical Byzantine Fault Tolerance (PBFT) are key blockchain consensus mechanisms. PoW, used by Bitcoin, relies on computational power to solve cryptographic puzzles, ensuring security but consuming high energy. PoS, as in Ethereum 2.0, selects validators based on staked assets, reducing energy use but risking centralization. DPoS, like in EOS, involves elected delegates for faster transactions, though it may compromise decentralization. PBFT, used in permissioned blockchains, achieves consensus through voting, offering high efficiency and low energy use but requiring trusted nodes. Each mechanism balances security, scalability, and decentralization differently.
0 reply
0 recast
0 reaction