Hyperledger Fabric: A permissioned blockchain, Hyperledger Fabric is suitable for enterprises. It utilizes a modular architecture for flexibility and confidentiality

Bitcoin: The pioneer of blockchain technology, Bitcoin uses the proof-of-work protocol to validate transactions, ensuring security and decentralization

Ethereum: Known for its smart contract capabilities, Ethereum employs a proof-of-stake protocol to validate transactions more energy-efficiently than Bitcoin

Ripple: Focused on facilitating cross-border payments, Ripple uses the Ripple Protocol Consensus Algorithm (RPCA) to verify transactions rapidly.

Stellar: Designed for efficient cross-border transactions and remittances, Stellar uses the Stellar Consensus Protocol (SCP) to reach consensus among nodes quickly

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