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Double Spend

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360 Tech Engineering

Nov 21, 2018 · Blockchain

Double-Spend Attacks on Major Public Blockchains: Vulnerabilities and Mitigation

This article surveys multiple double‑spend attack vectors discovered on major public blockchains such as Bitcoin, EOS, and NEO, classifies them into verification flaws, VM execution inconsistencies, and consensus weaknesses, and proposes an efficient mitigation method based on write‑operation hashing.

ConsensusDouble SpendEOS

0 likes · 22 min read

Double-Spend Attacks on Major Public Blockchains: Vulnerabilities and Mitigation

Qunar Tech Salon

Mar 30, 2018 · Blockchain

Understanding Double‑Spend Attacks and Bitcoin’s SPV Mechanism

The article explains what a double‑spend attack is, illustrates it with a concrete example, and describes how Bitcoin prevents such attacks through its blockchain ledger, Simplified Payment Verification (SPV) and Bloom‑filter techniques, highlighting the low data requirements for lightweight nodes.

BitcoinBloom FilterCryptocurrency

0 likes · 8 min read

Understanding Double‑Spend Attacks and Bitcoin’s SPV Mechanism