Blockchain technology has built a decentralized trust system through three core technological pillars: firstly, hash algorithms ensure that data cannot be tampered with, and each block contains the encrypted fingerprint of the previous block, forming an interlocking data chain; The second is asymmetric encryption technology (such as elliptic curve encryption) to achieve identity verification and permission control, enabling secure interaction between trading parties without the need to trust intermediaries; The third is the consensus mechanism (PoW proof of work or PoS proof of stake) that maintains ledger consistency through distributed node collaboration.
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