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Wallet Attacks: A Deep-dive Wallets are a logical target for cyber-attacks, along with the emerging institutions that hold custody of them on users’ behalf. While secured with technically unbreakable code, hackers have found numerous ways to execute wallet attacks and gain illicit access to user wallets, whether by deception, theft, or ingenuity. In responding to...
Consensus Attacks: A Deep-dive Where centralized systems operate on the basis of centralized permission, blockchain protocols proceed on the basis of decentralized consensus. While this is more secure in theory, the system is not flawless. All blockchains are susceptible to consensus attacks, thanks to the ability to simulate, force, or circumvent majority consent for a...
Network Attacks: A Deep-dive Network attacks are a class of exploits that focus on the isolation and manipulation of individual nodes or groups of nodes. While blockchain networks are theoretically robust against such attempts, both hackers and academics have found loopholes that can be used not only to defraud and damage individuals, but also scale...
Smart Contract Risk and How to Mitigate It: A Deep-dive The strengths of smart contracts are also the source of its weaknesses, and will always present opportunities for hackers to exploit. So far, the pace of innovation in counter-measures is struggling to keep pace with innovation in the methods of attack. It’s reasonable to assume...
Security Threats to Blockchain Networks – The utopian view of the blockchain as an unhackable alternative to the status quo is a pipedream. Many traditional cyberattacks are effective in a blockchain-based setting, and even cryptographically-secured processes are prone to errors and exploits. Understanding the potential attack vectors is a prerequisite to building a stable blockchain-based...
Table of ContentsCyber-Attack Strategies in the Blockchain Era – A Framework for Categorizing the Emerging Threats to the Crypto EconomyMarket attacksPump-and-dumpExit scamRug-pullInvestment scamFront runningEconomic attacksPhishingSpear phishingExtortionRansomwareChurningCelebrity-based scamsConsensus attacksFinney attackRace attackVector7651% majority attackNothing-at-stakeWeak subjectivityLiveness denialCensorshipPrecomputation attackSelfish miningBribery attacksLong-range PoS attacksSimplePosterior CorruptionStake BleedingNetwork-level attacksRouting attacksSybil attacksDDoS (Distributed Denial of Service)Eclipse attacksTransaction MalleabilityTimejackingWallet attacksSeizure of Private Keys (Hot...